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Average Ratings 0 Ratings
Description
OrbitDB functions as a decentralized, serverless, peer-to-peer database that leverages IPFS for data storage and utilizes Libp2p Pubsub for seamless synchronization among peers. It incorporates Merkle-CRDTs to facilitate conflict-free writing and merging of database entries, making it ideal for decentralized applications, blockchain projects, and web apps designed to operate primarily offline. The platform provides a range of database types that cater to distinct requirements: 'events' serves as immutable append-only logs, 'documents' allows for JSON document storage indexed by specific keys, 'keyvalue' offers conventional key-value pair storage, and 'keyvalue-indexed' provides LevelDB-indexed key-value data. Each of these database types is constructed on OpLog, a structure that is immutable, cryptographically verifiable, and based on operation-driven CRDT principles. The JavaScript implementation is compatible with both browser and Node.js environments, while a version in Go is actively maintained by the Berty project, ensuring a wide range of support for developers. This flexibility and adaptability make OrbitDB a powerful choice for those looking to implement modern data solutions in distributed systems.
Description
Realm is an innovative, mobile-centric open-source object database specifically engineered to operate seamlessly on phones, tablets, and wearable devices. By offering a straightforward, object-oriented data model, it eliminates the necessity for an Object-Relational Mapping (ORM) layer, allowing developers to create models using standard classes in popular programming languages such as Swift, Java, Kotlin, C#, JavaScript, Dart, and C++. Its design prioritizes high efficiency and minimal memory footprint through techniques like zero-copy architecture, lazy loading, and multi-version concurrency control (MVCC), ensuring safe operations across multiple threads. Realm's live objects and collections synchronize automatically across threads, providing a foundation for reactive programming methodologies. Furthermore, it allows for the establishment of intricate data structures by enabling relationships between objects through links and backlinks. Developers can also take advantage of tools like Realm Studio to explore and modify local Realm databases, facilitating integration with a variety of platforms, including React Native, Flutter, Xamarin, and Node.js. This adaptability makes Realm a compelling choice for developers looking to manage data efficiently in their mobile applications.
API Access
Has API
API Access
Has API
Integrations
JavaScript
Node.js
C#
C++
Dart
Go
JSON
Java
Kotlin
LevelDB
Integrations
JavaScript
Node.js
C#
C++
Dart
Go
JSON
Java
Kotlin
LevelDB
Pricing Details
Free
Free Trial
Free Version
Pricing Details
Free
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
OrbitDB
Country
United States
Website
orbitdb.org
Vendor Details
Company Name
Realm DB
Founded
2011
Country
United States
Website
realm.github.io