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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sniffio
A tiny Python library that detects which async framework (trio, asyncio, or curio) your code is currently running under.
E2B
Python SDK for spinning up secure, isolated cloud sandboxes where AI agents can safely run code.
PyMuPDF
A high-performance Python library for extracting, rendering, converting, and manipulating PDF and other document formats.
APScheduler
Python task scheduler with cron, interval, and one-off triggers, backed by pluggable persistent datastores for distributed job scheduling.
go-sqlmock
A mock sql/driver implementation for Go that simulates database behavior in tests without a real database connection.
@e2b/code-interpreter
JavaScript/TypeScript SDK for running AI-generated code in stateful, isolated E2B cloud sandboxes
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
pyparsing
Build recursive-descent parsers in Python without a separate grammar file
node-mssql
The Node.js client for Microsoft SQL Server, wrapping Tedious (or MSNodeSQLv8) behind a unified pool, request, and transaction API.
pluggy
The minimalist, production-ready plugin and hook system that powers pytest, tox, and devpi
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.
backoff
Python function decorators that retry calls on exceptions or bad return values, with exponential, fibonacci, or constant backoff and jitter.
Pygments
Generic syntax highlighter for Python supporting over 500 languages and formats
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()
Polars
Blazingly fast multi-threaded DataFrame library built in Rust with Python, Node.js, and R bindings
Orama
A dependency-free full-text, vector, and hybrid search engine that runs entirely in JavaScript.
Elasticsearch Python Client
The official Python client for querying, indexing, and managing an Elasticsearch cluster
tokio-postgres
A native, asynchronous PostgreSQL client for Rust built on Tokio
websocket-client
A low-level, dependency-free WebSocket client for Python supporting both synchronous and event-driven connections.
torchaudio
GPU-accelerated audio processing library built on PyTorch, with differentiable transforms, Kaldi-compatible features, and pretrained speech models.
