Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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MSW (Mock Service Worker)
Seamless REST and GraphQL API mocking for browser and Node.js
E2B
Python SDK for spinning up secure, isolated cloud sandboxes where AI agents can safely run code.
TanStack Devtools (React)
A React component that mounts TanStack's extensible, plugin-based devtools panel inside your app.
Redux DevTools Extension
Store enhancer that connects Redux apps to the Redux DevTools browser extension
react-inspector
Chrome DevTools-style object, table, and DOM inspector components for React apps.
LlamaIndex
The leading data framework for building LLM applications over your own data.
devtools
A floating debug panel for React Hook Form that surfaces live field values, validation errors, and dirty/touched state as you type.
Honcho
Honcho runs and colour-codes every process defined in a Procfile from one terminal, mirroring Ruby's Foreman for Python projects.
python-devtools
Python's missing debug print command, plus pretty formatting, timing, and pytest helpers.
ansicolor
A dependency-free JavaScript library for ANSI color styling, parsing, and ANSI-to-CSS/Chrome DevTools conversion.
@urql/devtools
Official devtools exchange connecting urql to the urql Devtools extension
Skybridge
The full-stack TypeScript framework for building type-safe MCP Apps and ChatGPT Apps.