Open Source Python Projects
Discover 607 open source Python repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Python projects here are most often combined with Library, Developer Tools and LLM. Last updated October 4, 2026.
607 repositories · updated October 4, 2026
toolz: Compose Functional Utilities for Python
Toolz is a lightweight Python library of composable utilities for iterators, functions, and dictionaries. Use it to build data transformations from small reusable operations without adding external dependencies.
asta-paper-finder: Find Papers from Natural-Language Queries
PaperFinder is a single-query research agent that finds papers using content and metadata criteria, then judges and ranks results. This frozen evaluation release is suited to reproducing results or running the core workflow locally, rather than replacing the live service.
Article-Assistant--RAG-Telegram-Bot: Ask Questions About Documents
A Telegram bot that turns web articles, PDFs, text files, and YouTube transcripts into searchable knowledge bases. It uses retrieval-augmented generation to answer questions with source citations and can also create summaries.
PySnooper: Trace Python Functions Without a Full Debugger
PySnooper logs which lines run in a Python function and how its local variables change, using a decorator or context manager. It suits developers who need quick, low-setup insight into code behavior without configuring a full debugger.
chatterbox: Generate Speech from Text with Voice Cloning
Chatterbox is Resemble AI’s Python text-to-speech model family, with English and multilingual options, voice cloning, and expressive speech controls. It suits developers building voice experiences who can manage model inference and its compute requirements.
harness-sdk: Build and Run AI Agents in Python and TypeScript
Strands Agents provides Python and TypeScript tools for building AI agents, from a ready-made harness to a customizable agent SDK. It suits teams that want model flexibility and control over agent execution without a hosted control plane.
websockets: Build WebSocket Servers and Clients in Python
websockets is a Python library for building WebSocket clients and servers with asyncio, threading, or Trio. It suits applications that need a focused implementation of the WebSocket protocol rather than a full HTTP framework.
otto: Add LLM-Powered Automation to Frappe Apps
Otto is an experimental Frappe app and Python library for connecting language models to Frappe workflows. It supports task automation, custom assistants, tool use, and resumable LLM sessions.
mcp-atlassian: Connect AI Assistants to Jira and Confluence
An MCP server that lets AI assistants search and work with Jira issues and Confluence pages. It supports Atlassian Cloud and Server/Data Center deployments, making it useful for teams that want these workflows available through MCP-compatible clients.
judges: Evaluate LLM Outputs with Reusable AI Judges
Databricks judges is a Python library for evaluating language model outputs with reusable LLM-based classifiers and graders. Use its research-backed judges, combine evaluations with a jury, or build a custom judge for your task.
typed-ffmpeg: Build Type-Safe FFmpeg Filter Graphs
typed-ffmpeg provides Python and experimental TypeScript interfaces for constructing FFmpeg commands with filter-aware typing. It suits developers who want editor support, reusable filter graphs, and clearer validation than assembling command-line strings by hand.
MoneyPrinter: Automate YouTube Shorts Creation
MoneyPrinter turns a video topic into a YouTube Short using locally run Ollama models for scripts and metadata. It suits creators who want a self-hosted, queued workflow and are comfortable configuring media tools and services.