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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ty
An extremely fast Python type checker and language server written in Rust.
PyInstaller
Bundle a Python application and all its dependencies into a single standalone package or executable.
Django Ninja
Fast, async-ready, OpenAPI-first REST framework built on Django and Python type hints
ModelScope
Alibaba's open model-hub library for NLP, CV, speech, and multi-modal AI models.
Apache Beam
A unified programming model for defining batch and streaming data-parallel pipelines
Bandit
A static analysis tool that scans Python code for common security issues.
Graphene
Build GraphQL schemas and types in Python quickly, with built-in Relay support.
Maturin
Build and publish Rust crates with PyO3, cffi, and uniffi bindings as Python wheels
moon
A Rust-based build system and monorepo orchestrator that manages toolchains, tasks, caching, and CI pipelines across the JavaScript, TypeScript, and polyglot ecosystem.
pipdeptree
Command-line utility that displays installed Python packages as a dependency tree.
Flask-RESTX
Flask extension for building fully documented REST APIs with Swagger/OpenAPI out of the box
pyflakes
A fast, false-positive-averse Python linter that finds real errors without ever complaining about style.
setuptools-scm
Derive your Python package version automatically from Git and Mercurial tags.
incremental
A CalVer version manager for your Python projects.
Scrapling
Adaptive Python web scraping framework with anti-bot fetchers and a spider crawling engine
OCRmyPDF
Adds a searchable OCR text layer to scanned PDFs and images, producing validated PDF/A output by default.
PyTorch Lightning
The deep learning framework that separates PyTorch research code from engineering boilerplate, scaling from CPU to multi-node GPU clusters without code changes.
fastai
A high-level deep learning framework that layers state-of-the-art training APIs on top of PyTorch.
cookiecutter
A cross-platform command-line utility that scaffolds new projects from Jinja2-powered templates.
pipenv
The official Python packaging tool that merges pip and virtualenv into one workflow with automatic, hash-locked dependency resolution.
marimo
A reactive Python notebook that's reproducible, git-friendly, and deployable as scripts or apps.
DeepEval
A Pytest-like open-source framework for unit-testing and evaluating LLM applications with research-backed metrics.
dagster-webserver
The web server that powers Dagster's UI, dashboard, and GraphQL API for pipelines and assets.
Agent Framework Core
Microsoft's core Python package for building and orchestrating production-grade AI agents