Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Average Ratings 0 Ratings

Total
ease
features
design
support

No User Reviews. Be the first to provide a review:

Write a Review

Description

21st is a development platform designed to help engineers quickly build and deploy AI agents inside their applications. The platform provides a specialized SDK that simplifies the process of defining agent behavior, integrating tools, and connecting AI models. Developers can create agents using familiar technologies such as Next.js, React, TypeScript, Python, and Node.js, making integration straightforward for modern applications. Once an agent is defined, the platform allows it to be deployed with a single command while automatically handling infrastructure requirements. 21st provides sandboxed execution environments through E2B sessions, ensuring that agent operations run securely and independently. The platform includes a ready-to-use chat interface component that can be embedded directly into an app for user interaction. Additional features include token streaming, conversation history, tool execution, and built-in observability for debugging and monitoring. Developers can replay sessions and trace tool calls to better understand how agents behave during execution. The system also supports spend limits, authentication controls, and rate limiting to manage AI usage across users. By combining development tools with managed infrastructure, 21st helps teams launch scalable AI agents without building complex backend systems.

Description

StackBlitz has developed WebContainers, a browser-based runtime that allows Node.js applications and operating system commands to run directly within a web browser tab. This innovative technology empowers developers to create immediate and engaging coding experiences, ranging from tutorials to comprehensive integrated development environments, all without requiring local installations or cloud-based virtual machines. Operating entirely on the client side, WebContainers provide exceptional user experiences characterized by zero latency, offline functionality, and increased security, as they remove the risks associated with executing code on servers. They support native Node.js toolchains, such as npm, pnpm, and yarn, and are compatible with leading modern frameworks. Furthermore, WebContainers offer seamless support for running WebAssembly (Wasm) right out of the box, enabling the adaptation of various programming languages and frameworks to operate within the browser environment. With these capabilities, developers can leverage the full potential of web technologies while maintaining flexibility and performance.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

Bolt.new
Brave Browser
Chromium
Figma
Git
GitHub
Google Chrome
Microsoft Edge
Mozilla Firefox
Node.js
React
Safari
Storybook
Tailwind CSS
WebAssembly
shadcn/ui

Integrations

Bolt.new
Brave Browser
Chromium
Figma
Git
GitHub
Google Chrome
Microsoft Edge
Mozilla Firefox
Node.js
React
Safari
Storybook
Tailwind CSS
WebAssembly
shadcn/ui

Pricing Details

Free
Free Trial
Free Version

Pricing Details

$18 per month
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

21st.dev

Website

21st.dev/

Vendor Details

Company Name

WebContainers

Website

webcontainers.io

Product Features

Product Features

Container Management

Access Control
Application Development
Automatic Scaling
Build Automation
Container Health Management
Container Storage
Deployment Automation
File Isolation
Hybrid Deployments
Network Isolation
Orchestration
Shared File Systems
Version Control
Virtualization

IDE

Code Completion
Compiler
Cross Platform Support
Debugger
Drag and Drop UI
Integrations and Plugins
Multi Language Support
Project Management
Text Editor / Code Editor

Alternatives

Alternatives