Alternatives to eXist-db

RavenDB is a pioneering NoSQL Document Database. It is fully transactional (ACID across your database and within your cluster). Our open-source distributed database has high availability and high performance, with minimal administration. It is an all-in-one database that is easy to use. This reduces the need to add on tools or support for developers to increase developer productivity and speed up your project's production. In minutes, you can create and secure a data cluster and deploy it in the cloud, on-premise, or in a hybrid environment. RavenDB offers a Database as a Service, which allows you to delegate all database operations to us, so you can concentrate on your application. RavenDB's built-in storage engine Voron can perform at speeds of up to 1,000,000 reads per second and 150,000 write per second on a single node. This allows you to improve your application's performance by using simple commodity hardware.

ScaleGrid is a fully managed Database-as-a-Service (DBaaS) platform that helps you automate your time-consuming database administration tasks both in the cloud and on-premises. ScaleGrid makes it easy to provision, monitor, backup, and scale open-source databases. It offers advanced security, high availability, query analysis, and troubleshooting support to improve your deployments' performance. The following databases are supported: - MySQL - PostgreSQL - Redis™. - MongoDB®, database - Greenplum™ (coming soon) ScaleGrid supports both public and privately-owned clouds such as AWS, Azure and Google Cloud Platform (GCP), DigitalOcean and Linode, Oracle Cloud Infrastructure, (OCI), VMware, and OpenStack. ScaleGrid is used by thousands of developers, startups, as well as enterprise customers such as Accenture, Meteor and Atlassian. It handles all your database operations at any scale, so you can concentrate on your application performance.

BaseX is a robust and high-performance XML database engine. It also supports XQuery 3.1 and Full Text extensions. It is a great framework for building complex, data-intensive web apps. It offers interactive user interfaces (desktop and web-based), which give you great insight into your data. BaseX is completely open source. Subscribe to our mailing list to receive regular updates. BaseX GmbH provides professional support, custom software solutions and training in XML technologies. Consider making a donation if you like BaseX and wish to support its open-source development. BaseX is lightweight and easy to install. It also runs straight out of the box.

Berkeley DB is a set of embedded key-value databases libraries that provide high-performance data management services for applications.

The Open, Multi-Cloud Stack to Modern Data Apps. Built on Apache Cassandra™, an open-source Apache Cassandra™. Global scale and 100% uptime without vendor lock in You can deploy on multi-clouds, open-source, on-prem and Kubernetes. For a lower TCO, use elastic and pay-as you-go. Stargate APIs allow you to build faster with NoSQL, reactive, JSON and REST. Avoid the complexity of multiple OSS projects or APIs that don’t scale. It is ideal for commerce, mobile and AI/ML. Get building modern data applications with Astra, a database-as-a-service powered by Apache Cassandra™. Richly interactive apps that are viral-ready and elastic using REST, GraphQL and JSON. Pay-as you-go Apache Cassandra DBaaS which scales easily and affordably

MarkLogic's data platform helps you unlock data value, accelerate insights decisions, and achieve data agility in a secure manner. Combine your data and everything you know about it (metadata), in a single platform, to make smarter decisions faster. MarkLogic's data platform provides a trusted, faster way to securely link data and metadata, create meaning and interpret it, and consume high quality contextualized data throughout the enterprise. With a single platform, you can easily enable governed access, compliance, and new insights. MarkLogic is a proven platform that helps you achieve your business and technical goals, now and in the future.

InterSystems IRIS, a cloud-first data platform, is a multi-model transactional database management engine, application development platform, interoperability engine and open analytics platform. InterSystems IRIS offers a variety of APIs that allow you to work with transactional persistent data simultaneously. These include key-value, relational and object, document, and multidimensional. Data can be managed by SQL, Java, node.js, .NET, C++, Python, and native server-side ObjectScript language. InterSystems IRIS features an Interoperability engine as well as modules for building AI solutions. InterSystems IRIS features horizontal scalability (sharding and ECP), and High Availability features such as Business intelligence, transaction support and backup.

TEXTML Server, a database system, is designed to efficiently store and retrieve XML files as well as documents in any format (PDF, image, etc.). TEXTML Server can be used to build applications that manage large amounts of XML data or any other application that contains loosely structured information that is not possible to be handled by traditional relational databases. TEXTML server is extremely versatile because it has XML as its core. This makes it ideal for a wide range of applications. It can be used alone or in conjunction with traditional relational database systems. It supports both two-tier and non-n-tier architectures, as well as browser-based applications. Your client application, or the tier of your client application that calls TEXTML SDK, can run on Windows as well as many Linux flavors. For more information about system requirements, please refer to the TEXTML Server Install Guide.

Altova XMLSpy, the best-selling JSON editor and XML editor, is the best for modeling, editing and transforming related technologies. XMLSpy JSON Editor and XMLSpy JSON give developers the tools to create the most complex applications. With its graphical schema designer and code generation, file converters and debuggers, as well as profilers for working in XSD, XSLT and XQuery, XBRL and SOAP, the editor provides developers with the tools they need. Developers need a JSON editor and XML editor that goes beyond basic validation checking and bracket matching. XMLSpy offers the complete feature set below. It includes code generators, wizards and graphical views. You can also use XMLSpy to speed up your JSON and XML editing. XMLSpy simplifies the process of editing XML documents and other related technologies with its intuitive user interface, rich variety of views, and many options. XMLSpy offers intelligent guidance, regardless of whether you prefer to edit XML documents using a text-based or graphical XML viewer.

IBM Db2®, a family of hybrid data management tools, offers a complete suite AI-empowered capabilities to help you manage structured and unstructured data both on premises and in private and public clouds. Db2 is built upon an intelligent common SQL engine that allows for flexibility and scalability.

The fastest NoSQL database in the world. The fastest NoSQL database available, capable of millions IOPS per node with less than 1 millisecond latency. This database will accelerate your application performance. Scylla, a drop-in Apache Cassandra and Amazon DynamoDB alternative, powers your applications with extreme throughput and ultra-low latency. To power modern, high-performance applications, we used the best features of high availability databases to create a NoSQL database that is significantly more efficient, fault-tolerant, and resource-efficient. This high-availability database is built from scratch in C++ for Linux. Scylla unleashes your infrastructure's true potential for running high-throughput/low-latency workloads.

NCache is an open source distributed cache for .NET Framework & .NET Core (released under Apache License, Version 2.0), by Alachisoft. NCache provides an extremely fast and linearly scalable distributed cache that caches application data and reduces expensive database trips.

Sonic XML Server™, a set that provides high-speed storage, query and processing services for XML documents. This is required to manage Sonic ESB operational information. XML Server processes XML messages natively in XML format. This allows for a very fast processing speed and doesn't place restrictions on the XML messaging schema. Extensible Markup Language, a data format that is hardware and software independent, was a major breakthrough. XML supports flexible data exchange by allowing information to be described independently of a particular system or application data formatting rules. This flexibility can mean that processing XML files can be time-consuming and costly. Sonic XML Server allows for fast processing of operational data as well as storage of XML messages to enable efficient implementation of a service-oriented architecture. Sonic XML Server extends the XML message processing model of Sonic ESB by providing native query storage and processing services.

Today's organizations are generating huge amounts of XML and XBRL data through Big Data trends and XBRL mandates. There is now a modern, fast engine that can validate, process, transform, query, and transform it all. RaptorXML conforms to all relevant XML and XBRL standards. It is continually submitted to rigorous regression testing against Altova’s extensive in-house collection and test suites. JSON is gaining popularity, as well as the need to verify that transacted data is valid. RaptorXML covers JSON syntax checking and validation as well as JSON Schema validation.

StyleVision makes XSLT coding simple by allowing you create reports and forms visually. Drag and drop is all you need to create sophisticated designs that can publish XML, XBRL or database data in multichannel formats. StyleVision makes it easy to design XSLT stylesheets that can be used for report generation. This is made possible by intelligent menus and entry helper window. Advanced stylesheet functions allow you to define conditional templates, autocalculations, rich input formatting, among other things. StyleVision is perfect for multi-channel and multi-format publishing business reports. StyleVision's drag and drop design paradigm makes it easy to create sophisticated reports. Automate multi-channel report publishing tasks using StyleVision Server's high-performance StyleVision Server or the generated XSL Stylesheets.

MissionKit is a software suite that provides enterprise-class XML and JSON, SQL and UML tools for information architects, developers, and information architects. MissionKit includes Altova XMLSpy and MapForce as well as StyleVision and other market-leading products that enable you to build real-world software solutions. You'll save time and money by combining Altova MissionKit tools. Instead of purchasing individual products, you can choose MissionKit to purchase all of the products below for less than 2! * The Altova XMLSpy JSON editor and XML designer offers the world's best graphical schema designer, a code creator, file converters and debuggers. It also supports full database integration, XSLT and XQuery, WSDL and SOAP.

Azure SQL Database is part of the Azure SQL family. It's an intelligent, scalable, and relational database service that's built for the cloud. It's always available and up-to-date, and it has AI-powered and automated features that maximize performance and durability. Serverless computing and Hyperscale storage options automatically scale resources as needed, so you can concentrate on building new apps without worrying about resource management or storage size. A fully managed SQL database eliminates the complexity of managing high availability, tuning and other database tasks. You can accelerate your application development with the only cloud that supports evergreen SQL Server capabilities. Never worry about upgrades or discontinuing support. You can build modern apps with serverless and provisioned compute options.

Oracle database products offer customers cost-optimized, high-performance versions Oracle Database, the world's most popular converged, multi-model database management software. They also include in-memory NoSQL and MySQL databases. Oracle Autonomous Database is available on-premises via Oracle Cloud@Customer and in the Oracle Cloud Infrastructure. It allows customers to simplify relational databases environments and reduce management burdens. Oracle Autonomous Database reduces the complexity of operating and protecting Oracle Database, while delivering the highest levels performance, scalability and availability to customers. Oracle Database can also be deployed on-premises if customers have network latency and data residency concerns. Customers who depend on Oracle database versions for their applications have full control over which versions they use and when they change.

Amazon Keyspaces (for Apache Cassandra), is a highly available, scalable, and managed Apache Cassandra database service. Amazon Keyspaces allows you to run Cassandra workloads in AWS using the same Cassandra code and developer tools as you use today. You don't need to provision, patch or manage servers. Also, you don't need to install, maintain or operate software. Amazon Keyspaces is completely serverless. This means that you only pay for the resources you use. The service can scale tables automatically to meet the demands of your applications. With virtually unlimited storage and throughput, you can create applications that can serve thousands of requests per minute. Amazon Keyspaces provides the performance, elasticity and enterprise features that you need to run business-critical Cassandra workloads on a large scale.

Qubole is an open, secure, and simple Data Lake Platform that enables machine learning, streaming, or ad-hoc analysis. Our platform offers end-to-end services to reduce the time and effort needed to run Data pipelines and Streaming Analytics workloads on any cloud. Qubole is the only platform that offers more flexibility and openness for data workloads, while also lowering cloud data lake costs up to 50%. Qubole provides faster access to trusted, secure and reliable datasets of structured and unstructured data. This is useful for Machine Learning and Analytics. Users can efficiently perform ETL, analytics, or AI/ML workloads in an end-to-end fashion using best-of-breed engines, multiple formats and libraries, as well as languages that are adapted to data volume and variety, SLAs, and organizational policies.

Google Cloud Bigtable provides a fully managed, scalable NoSQL data service that can handle large operational and analytical workloads. Cloud Bigtable is fast and performant. It's the storage engine that grows with your data, from your first gigabyte up to a petabyte-scale for low latency applications and high-throughput data analysis. Seamless scaling and replicating: You can start with one cluster node and scale up to hundreds of nodes to support peak demand. Replication adds high availability and workload isolation to live-serving apps. Integrated and simple: Fully managed service that easily integrates with big data tools such as Dataflow, Hadoop, and Dataproc. Development teams will find it easy to get started with the support for the open-source HBase API standard.

Redis Labs is the home of Redis. Redis Enterprise is the best Redis version. Redis Enterprise is more than a cache. Redis Enterprise can be free in the cloud with NoSQL and data caching using the fastest in-memory database. Redis can be scaled, enterprise-grade resilience, massive scaling, ease of administration, and operational simplicity. Redis in the Cloud is a favorite of DevOps. Developers have access to enhanced data structures and a variety modules. This allows them to innovate faster and has a faster time-to-market. CIOs love the security and expert support of Redis, which provides 99.999% uptime. Use relational databases for active-active, geodistribution, conflict distribution, reads/writes in multiple regions to the same data set. Redis Enterprise offers flexible deployment options. Redis Labs is the home of Redis. Redis JSON, Redis Java, Python Redis, Redis on Kubernetes & Redis gui best practices.

Dgraph is an open-source, low-latency, high throughput native and distributed graph database. DGraph is designed to scale easily to meet the needs for small startups and large companies with huge amounts of data. It can handle terabytes structured data on commodity hardware with low latency to respond to user queries. It addresses business needs and can be used in cases that involve diverse social and knowledge networks, real-time recommendation engines and semantic search, pattern matching, fraud detection, serving relationship information, and serving web applications.

Luna is a subscription for Apache Cassandra support at DataStax. You can enjoy all the benefits offered by open-source Cassandra with the assurance that you have direct access the team that wrote the majority of the code. They also support some of the most important deployments around the globe. You will receive best practices, advice, as well as SLA-based support to maintain your Cassandra deployment. Scale without compromising performance or latency to manage the most complex real-time workloads. You can create highly interactive customer experiences that are real-time and highly interactive. Luna can help you resolve issues and follow best practices for Cassandra clusters. Services can be used to assist with the entire application life cycle. They also allow for deeper integration of your team as they work together on implementation.

TeraText Document management System (DMS), supports an authoritative repository for documents, from draft through QA to final published baseline.

SQreamDB, a fully-featured GPU accelerated data warehouse capable of handling even the most complex queries, is available for download. SQreamDB offers all the features of a relational database, including comprehensive ANSI SQL. SQreamDB allows anyone to load, store and analyze data 100x faster than other data warehouses. SQream offers a wide range of products to suit everyone's needs. You can ask any business question to your data and get the insights you need quickly. Finally, questions that were previously off-limits are no longer. A SQL database that enables organizations to perform complex analyses on petabytes of data, and gain time-sensitive insights faster and cheaper from any other solution.

AllegroGraph is a revolutionary solution that allows infinite data integration. It uses a patented approach that unifies all data and siloed information into an Entity Event Knowledge Graph solution that supports massive big data analytics. AllegroGraph uses unique federated sharding capabilities to drive 360-degree insights, and enable complex reasoning across a distributed Knowledge Graph. AllegroGraph offers users an integrated version Gruff, a browser-based graph visualization tool that allows you to explore and discover connections within enterprise Knowledge Graphs. Franz's Knowledge Graph Solution offers both technology and services to help build industrial strength Entity Event Knowledge Graphs. It is based on the best-of-class products, tools, knowledge, skills, and experience.

Amazon Neptune is a fully managed graph database service that allows you to quickly and reliably build applications that can work with highly connected data sets. Amazon Neptune's core is a purpose-built graph database engine that can store billions of relationships and query the graph with only milliseconds latency. Amazon Neptune supports the popular graph models Property Graph, W3C's RDF, as well as their respective query languages Apache TinkerPop Gremlin, SPARQL. This allows you to quickly build queries that efficiently navigate large datasets. Neptune supports graph use cases like recommendation engines, fraud detection and knowledge graphs. It also powers network security and drug discovery.

Red Hat®, Data Grid is a distributed, in-memory NoSQL datastore. Your applications can access, process and analyze data at high speed to provide a superior user experience. High performance, elastic scaling, always available You can quickly access your data using low latency data processing with memory (RAM), and distributed parallel execution. Linear scaling is possible with data partitioning and distributed across cluster nodes. Data replication across cluster nodes ensures high availability. Cross-datacenter geo-replication, clustering and fault tolerance allow you to be resilient and recover from disasters. A flexible, functionally rich NoSQL database store allows you to develop more efficiently and increase productivity. You can achieve complete data security through encryption and role-based access. Data Grid 7.3.10 offers a security enhancement to fix a CVE. Data Grid 7.3.10 must be upgraded as soon as possible.

Percona Server is a free, open-source replacement for MongoDB Community Edition. It combines all of the features and benefits from MongoDB Community Edition with enterprise-class Percona features. Percona Server is based on MongoDB Community Edition and offers flexible data structure, native high-availability, easy scalability, developer-friendly syntax, and a flexible data structure. It also features an in-memory engine and hot backups, LDAP authentication and database auditing.

Couchbase, unlike other NoSQL database, provides a multicloud to edge enterprise-class database that offers robust capabilities for business-critical apps on a highly available and scalable platform. Couchbase is a distributed cloud native database that runs on any cloud. It can be managed by the customer or fully managed. Couchbase is built using open standards and combines the best of NoSQL and SQL with the power and familiarity that mainframes and relational databases provide. Couchbase Server is an open-source, multipurpose distributed database. It combines the best of relational databases, such as SQL, ACID transactions, and JSON, with a foundation which is fast and scalable. It is used in many industries for things such as user profiles, dynamic catalogs, GenAI applications, vector search, caching at high speed, and more.

Azure Cosmos DB, a fully managed NoSQL databank service, is designed for modern app development. It offers guaranteed single-digit millisecond response time and 99.999 percent availability. This service is backed by SLAs and instant scalability. Open source APIs for MongoDB or Cassandra are also available. With turnkey multi-master global distribution, you can enjoy fast writes and readings from anywhere in the world.

LeanXcale is fast and scalable database that combines SQL and NoSQL. It can ingest large batches of data and make it available via SQL or GIS for any purpose, including operational applications, analytics and dashboarding. No matter which stack you use, LeanXcale offers both SQL and NoSQL interfaces. The KiVi storage engine can be used as a relational key/value data store. The data can be accessed via the standard SQL API or a direct ACID key/value interface. This key-value interface allows users data ingestion at extremely high rates and efficiently, while avoiding SQL processing overhead. High-scalable, efficient, and distributed storage engine distributed data along a cluster to improve performance and increase reliability.

InfinityDB Embedded, a Java NoSQL Java database, is a hierarchical sorted value store. It is flexible, high-performance, multicore, and maintenance-free. InfinityDB Client/Server and InfinityDB Encrypted databases are now also available. According to our customers and provided performance tests, InfinityDB offers the best performance. Multi-core overlapping operations scale almost linearly with thread count. Threads use fair scheduling with very low interthread interference. Random I/O scales logarithmically with file size. Caches grow only as they are used and are packed efficiently. Database open is instantaneous even after abrupt exit.

Apache CouchDB™, allows you to access your data wherever you need it. The Couch Replication Protocol can be used in a variety products and projects that span all possible computing environments, from global distributed server-clusters to mobile phones to web browsers.

Aerospike is the global leader for next-generation, real time NoSQL data solutions at any scale. Aerospike helps enterprises overcome seemingly impossible data bottlenecks and compete with other companies at a fraction of the cost and complexity of legacy NoSQL databases. Aerospike's Hybrid Memory Architecture™ is a patented technology that unlocks the full potential of modern hardware and delivers previously unimaginable value. It does this by delivering unimaginable value from huge amounts of data at both the edge, core, and in the cloud. Aerospike empowers customers with the ability to instantly combat fraud, dramatically increase shopping cart sizes, deploy global digital payment networks, and provide instant, one-to-1 personalization for millions. Aerospike customers include Airtel and Banca d'Italia as well as Snap, Verizon Media, Wayfair, PayPal, Snap, Verizon Media, and Nielsen. The company's headquarters is in Mountain View, California. Additional locations are in London, Bengaluru, India, and Tel Aviv in Israel.

Apache Xerces is a collaborative software-development project that provides robust, fully-featured, commercial-quality, freely available XML parsers on a variety of platforms that support multiple languages. This project is managed by a variety of individuals (both company-affiliated and independent experts) who use the Internet for communication, planning, and development of XML software. Apache Xerces exists in order to promote XML. XML is a compelling paradigm that organizes data as information and facilitates the exchange, transformation, presentation, and presentation. The potential to transform raw data into usable data has enormous potential to improve the functionality of information systems. To encourage such improvements, we intend to make freely available XML parsers as well as closely related technologies.

The Apache Cassandra database provides high availability and scalability without compromising performance. It is the ideal platform for mission-critical data because it offers linear scalability and demonstrated fault-tolerance with commodity hardware and cloud infrastructure. Cassandra's ability to replicate across multiple datacenters is first-in-class. This provides lower latency for your users, and the peace-of-mind that you can withstand regional outages.

Flexter does not require any programming skills and can be used to convert industry-standard XML data into a readable database. No matter what sector you work in, industry data standards "warehouses" data in formats that require unpacking before you can analyze and interpret it meaningfully. Flexter is a data management and data warehouse software that completely automates data conversion. This is a common problem in retail, finance, healthcare, and insurance. It can lead to slow, laborious, and expensive processes that allow you to access and analyse your critical data. This slows down data flow and can impact decision-making. Flexter makes it possible to free up your time and budget to provide real value to your business and get your data quickly into a readable, analysable database format.

The Apache Xalan Project creates and maintains libraries that can transform XML documents using XSLT standards stylesheets. To implement the XSLT libraries, our subprojects use Java and C++ programming languages. April 2014 saw the release of Xalan Java 2.7.2. Download the latest Xalan Java 2.7.2 release to get started with your development. You can find the current work in progress in the subversion repository. This release addresses a security problem that was reported against version 2.7.1. The Apache Archives still has the old Xalan J 2.7.1 distributions. This is a mature project. There has been some discussion about XPath-2 support. We would appreciate your support for this major overhaul of the library. You can follow the progress and contribute to the Java developers and Java users mail lists.

Anakia may be easier to learn than XSL but it retains the same functionality. Learning cryptic<xsl:>Tags are unnecessary. You only need to be able to use the Context objects, JDOM and Velocity's simple directives. Anakia seems faster than Xalan’s XSL processor in creating pages. On a PIII 500mhz with Win98 and JDK1.3 with client Hotspot, 23 pages can be generated in 7-8 seconds. Similar system using Ant's</xsl:>

DiffDog has powerful capabilities that allow you to compare and merge any text-based file. It supports Unicode, ASCII and MBCS as well as other file formats. DiffDog supports bi-directional merging and direct editing of both the compared files. DiffDog automatically creates backups of each file. This allows you to re-load the original file from your server or disk whenever you need it. Altova's legacy of XMLSpy, a world-class XML development tool, is evident in DiffDog's XML editing and differencing features. DiffDog is a powerful utility that allows you to differentiate XML files. It includes robust features like code completion, code completion, DTD/schema based helpers, code completion, code completion, code completion, and many other useful features.

Tibero has implemented a unique Tibero Thread Architecture to address the disadvantages of previous DBMSs. As a result, Tibero can make efficient use of system resources, such as CPU and memory, with fewer server processes. This ensures that Tibero offers high performance, reliability, and scalability, while facilitating efficient development and administration functions. Additionally, it provides users and developers with various standard development interfaces for easy integration with other DBMSs and 3rd party tools. In addition, Tibero adopts the block transfer technology to improve TAC, the shared database clustering which is similar to Oracle RAC. Through the enhanced function, Tibero supports performance optimization with self-tuning, reliable database monitoring, and performance management.

Datastore is a highly-scalable NoSQL database that can be used for your applications. Datastore handles replication and sharding automatically, giving you a reliable and durable database that scales to your application's load. Datastore offers many capabilities, including ACID transactions, SQL like queries, indexes, as well as many other features. Datastore's RESTful interface makes it easy to access data from any deployment target. Datastore can be used as an integration point to build solutions that span App Engine and Compute Engine. You can focus on building your applications and not worrying about provisioning or load anticipation. Datastore scales seamlessly with your data and allows applications to maintain high performance even when they receive more traffic.

We provide a geo-distributed, real-time database, stream processing, and compute runtime for event driven applications across up to 175 global edge data centers. Our platform is loved by API and app developers because it solves the most difficult problems of sharing mutable states across hundreds of locations around the world. We also have high consistency and low latency. Macrometa allows you to surgically expand your existing infrastructure to bring your application closer to your users. This allows you to improve performance and user experience, as well as comply with global data governance laws. Macrometa is a streaming, serverless NoSQL database that can be used for stream data processing, pub/sub, and compute engines. You can create stateful data infrastructure, stateful function & containers for long-running workloads, and process data streams real time. We do the ops and orchestration, you write the code.

Transparent Data Encryption for all Editions (Express to Enterprise) of SQL Server. No programming required. Developer friendly: can be easily bundled with SQL Server-based applications. An economical alternative to upgrading from SQL Server Enterprise. Assists in compliance with various regulations. Protects intellectual property and data.

Restdb.io (a NoSQL database backend that is available as a service, DBaaS) is a simple NoSQL web application. You can quickly create an online database using minimal effort and little coding. It also includes a user-friendly browser-based admin interface as well as a secure REST API. You can automate any task with a few "low-code" javascript hooks or background jobs, making it an ideal data storage solution for many application workflows. Restdb.io offers a free plan that can be used by up to three users.

Neo4j's graph platform is designed to help you leverage data and data relationships. Developers can create intelligent applications that use Neo4j to traverse today's interconnected, large datasets in real-time. Neo4j's graph database is powered by a native graph storage engine and processing engine. It provides unique, actionable insights through an intuitive, flexible, and secure database.

Azure Table storage can store petabytes semi-structured data at low costs and keeps costs down. Table storage is able to scale up, unlike many cloud-based or on-premise data stores. Also, availability is not a concern. With geo-redundant storage, data can be replicated three times within one region and three times in another region hundreds of miles away. Flexible data such as web app user data, address books, device data and other metadata can be stored in table storage. You can also use table storage to build cloud applications without having to lock down the data model to specific schemas. Different rows can have different structures in the same table, so you can easily change your application and table schema without having to take it offline. Table storage embraces a strong consistency model.

Ledisdb, a high-performance NoSQL server and database library written in Go, is Ledisdb. It is similar to Redis, but stores data on disk. It supports many data structures, including kv and list, hash, set, zset, and zset. LedisDB now supports multiple databases as backends.