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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opencv-python
Pre-built, pip-installable OpenCV bindings that give Python programs full computer vision and image-processing capabilities without compiling from source.
@e2b/code-interpreter
JavaScript/TypeScript SDK for running AI-generated code in stateful, isolated E2B cloud sandboxes
tree-sitter-typescript
TypeScript and TSX grammars for the tree-sitter incremental parsing framework.
PEFT
Hugging Face's library of state-of-the-art parameter-efficient fine-tuning methods for large models.
PyO3
Rust bindings for the Python interpreter, for writing native extensions or embedding Python in Rust.
js-beautify
Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code
bowser
A small, fast browser, platform, and rendering-engine detector for browser and Node environments
pyparsing
Build recursive-descent parsers in Python without a separate grammar file
micromark
The smallest 100% CommonMark-compliant markdown parser, with GFM and MDX support
pluggy
The minimalist, production-ready plugin and hook system that powers pytest, tox, and devpi
bytes
Tiny utility for parsing and formatting byte strings like '1kb'
MkDocs
A fast, simple static site generator for building project documentation from Markdown with a single YAML config file.
ollama-python
The official Python client for chatting, generating, and managing models on a local or cloud-hosted Ollama server.
torchaudio
GPU-accelerated audio processing library built on PyTorch, with differentiable transforms, Kaldi-compatible features, and pretrained speech models.
backoff
Python function decorators that retry calls on exceptions or bad return values, with exponential, fibonacci, or constant backoff and jitter.
tree-sitter-python
A fast, incremental Python grammar for the tree-sitter parsing library
modal-client
Deploy Python functions to serverless GPU and CPU cloud infrastructure with a single decorator.
distro
Linux distribution detection library and CLI, replacing Python's removed platform.linux_distribution()
Partial JSON
Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.
Polars
Blazingly fast multi-threaded DataFrame library built in Rust with Python, Node.js, and R bindings
Elasticsearch Python Client
The official Python client for querying, indexing, and managing an Elasticsearch cluster
websocket-client
A low-level, dependency-free WebSocket client for Python supporting both synchronous and event-driven connections.
html-react-parser
Converts HTML strings into React elements, working seamlessly on both server and client
feedparser
Parses RSS, Atom, RDF, CDF, and JSON feeds into one normalized Python dictionary.
