🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
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Prompt, run, edit, and deploy full-stack web applications. -- bolt.new -- Help Center: https://support.bolt.new/ -- Community Support: https://discord.com/invite/stackblitz
Play with neural networks!
📺 Visual Editor & GraphQL IDE.
The open-source studio for making games with AI. Your own one-person game studio. Everything you need to make games with AI, in one app. Game canvas. Bring your own key.
- ai-coding
- ai-coding-agent
- ai-game-design
- ai-game-dev
A Code Playground That Just Works!
- javascript
- typescript
- playground
- monaco-editor
In Browser PostgreSQL Playground, no server, just client and pglite (postgresql wasm)
View any GraphQL schema as a dynamic and interactive graph. 🦅
- graphql-visualizer
- graphql
- graphql-birdseye
- jointjs
Serverless coding environments for the web.
Connect to MongoDB and Atlas and directly from your VS Code environment, navigate your databases and collections, inspect your schema and use playgrounds to prototype queries and aggregations.
- mongodb
- mongodb-atlas
- vscode
- vscode-extension
API documentation and live playground for Web Components. Based on Custom Elements Manifest format
- webcomponents
- custom-elements
- lit-element
Standalone puppeteer playground in browser's developer tools.
- puppeteer
- automation
- ide
- chrome-extension
A flexible playground for Android CTF challenges.
- android
- ctf
- cybersecurity
- playground
user-friendly visual canvas for creating chatbots powered by OpenAI APIs with no-code
- openai
- prompt
- prompt-engineering
- reactflow
An open-source mobile app explicitly designed as a QA automation training playground.
- android-app
- appium
- espresso
- ios-app