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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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.
pymilvus
The official Python SDK for Milvus, the open-source vector database for embedding-based similarity search.
jsonschema
A high-performance JSON Schema validator for Rust with Python, Ruby, and WASM bindings
tree-sitter-javascript
JavaScript and JSX grammar for the tree-sitter incremental parsing library
OpenAI Agents SDK
OpenAI's provider-agnostic Python framework for building multi-agent LLM workflows with tools, guardrails, and tracing.