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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Uvicorn
A lightning-fast ASGI server for Python, built on uvloop and httptools.
SWC
Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel
Ruff
An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.
Gunicorn
A fast, lightweight pre-fork WSGI and ASGI HTTP server for running Python web apps in production on UNIX.
mocha
The classic, battle-tested JavaScript test framework for Node.js and the browser, built around flexible async testing and pluggable reporters.
mypy
Optional static type checker that catches Python bugs before you run your code
Alembic
Database migrations tool for SQLAlchemy with autogenerate and transactional DDL
svgo
A Node.js library and command-line tool that optimizes SVG files by removing redundant markup through a configurable plugin pipeline.
nest-cli
Scaffolds, builds, and serves NestJS applications through schematics-driven code generation and pluggable compiler backends.
sentry-cli
Official command-line tool for uploading source maps, debug symbols, and managing releases and deploys in Sentry.
Rspack CLI
The official command-line interface for running Rspack builds, dev servers, and previews.
wasm-bindgen
Rust-JavaScript interop toolchain that generates the glue code needed to compile Rust to WebAssembly and call it from JS
js-beautify
Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code
jest-junit
A Jest reporter that converts test results into JUnit-compatible XML for CI dashboards and test-analytics tools.
MkDocs
A fast, simple static site generator for building project documentation from Markdown with a single YAML config file.
goose
A database migration tool for Go, driven by SQL files or plain Go functions, with a CLI and an embeddable provider library.
isort
Automatically sorts and organizes Python import statements
flake8
The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.
verdaccio
A lightweight, zero-config-required private npm registry with built-in caching and proxying of public registries.
Sphinx
A documentation generator that turns reStructuredText or Markdown sources into polished HTML, PDF, EPUB, and more.
build
A simple, correct Python build frontend for producing PEP 517 source distributions and wheels.
IPython
A productive interactive Python shell with rich introspection, tab completion, and magic commands.
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
pip
The official package installer for Python, bundled with the interpreter