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
pyo3: Connect Rust and Python
PyO3 provides Rust bindings for Python, letting developers build native Python extension modules or embed Python in Rust applications. It suits projects that need Rust code to interoperate with Python through its interpreter and C API.
litgpt: Train, Fine-Tune, and Deploy Large Language Models
LitGPT provides implementations and workflows for pretraining, fine-tuning, evaluating, and serving a range of large language models. It suits developers and researchers who want configurable training recipes and direct control over model code.
agentic_security: Scan LLMs and Agent Workflows for Vulnerabilities
Agentic Security is a Python toolkit for probing LLMs and agent workflows with jailbreaks, fuzzing, and multimodal inputs. It fits developers and security teams who want to run configurable scans against an API and use the results in CI.
netshow: Monitor Network Connections in Your Terminal
Netshow is an interactive terminal monitor for live TCP connections, with process details, friendly service names, and host or interface bandwidth. It suits developers and operators troubleshooting local network activity on macOS or Linux.
Qwen3-Coder: Generate Code and Power Coding Agents
Qwen3-Coder is Qwen’s family of code-focused language models for code generation, repository-scale understanding, and agentic development tasks. It offers open-weight checkpoints in several sizes, with context lengths up to 256K tokens.
cytoolz: Speed Up Python Functional Utilities
cytoolz provides Cython implementations of toolz utilities for working with iterables, functions, and dictionaries. Use it when toolz-compatible APIs and iterator-friendly processing need more speed, or when Cython projects need its C API.
TabSTAR: Apply a Tabular Foundation Model to Data with Text Fields
TabSTAR is a Python model for classification and regression on tabular datasets that include text fields. Use its package to fit a pretrained model to your data, or its research tools to pretrain and evaluate on benchmarks.
awesome-oss-alternatives: Find Open-Source SaaS Alternatives
A curated directory of open-source startup products positioned as alternatives to established SaaS tools. Browse by category to compare projects and follow links to their repositories and commercial competitors.
rerun: Explore and Query Multimodal Robotics Data
Rerun is a data platform for logging, exploring, and querying synchronized visual and sensor data over time. It helps robotics and computer vision teams debug systems, inspect recordings, and prepare data for training.
vexa: Capture and Transcribe Online Meetings
Vexa runs bots that join Google Meet, Microsoft Teams, and Zoom, then provides speaker-attributed transcripts through an API. Teams can use its hosted service or self-host the stack and connect transcripts to workspace agents.
Paper2Code: Generate Code Repositories from ML Papers
Paper2Code is a research project that uses specialized LLM agents to turn machine-learning papers into code repositories. It suits researchers and developers exploring paper reproduction, with setup options for OpenAI APIs or vLLM.
AstrBot: Build AI Chatbots for Messaging Platforms
AstrBot is a Python platform for connecting AI models, agents, and plugins to messaging apps through one chatbot framework. It suits individuals and teams building conversational assistants in existing chat workflows, with a WebUI and deployment options including Docker.