Awesome Opensource Ai

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4, MiniMax-H3, Gemma 4, FLUX and more.

Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

Streamlit — A faster way to build and share data apps.

Jan is an open source alternative to ChatGPT that runs 100% offline on your computer.

Build resilient agents.

Secure, fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

Self-hosted AI coding assistant

Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents

The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applications while controlling costs and managing access to models and data.

Label Studio is a multi-type data labeling and annotation tool with standardized output format

A high-performance observability data pipeline.

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

A guidance language for controlling large language models.

open-source agentic AI data assistant for the next generation of AI + Data products.

The repository provides code for running inference with the Meta Segment Anything Model 2 (SAM 2), links for downloading the trained model checkpoints, and example notebooks that show how to use the model.

The LLM Evaluation Framework

Workflow Engine for Kubernetes

Computer Vision Annotation Tool (CVAT) is a leading platform for building high-quality visual datasets for vision AI. It offers open-source, cloud, and enterprise products, as well as labeling services, for image, video, and 3D annotation with AI-assisted labeling, quality assurance, team collaboration, analytics, and developer APIs.

An orchestration platform for the development, production, and observation of data assets.

The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.

The developer platform for on-demand cloud development environments to create software faster and more securely.

The Context Platform for your Data and AI Stack

LangGPT: Empowering everyone to become a prompt expert! 🚀 📌 结构化提示词（Structured Prompt）提出者 📌 元提示词（Meta-Prompt）发起者 📌 最流行的提示词落地范式 | Language of GPT The pioneering framework for structured & meta-prompt design 10,000+ ⭐ | Battle-tested by thousands of users worldwide Created by 云中江树

OpenRefine is a free, open source power tool for working with messy data and improving it

Cloud-native OSS search engine for observability

Always know what to expect from your data.

💥 Fast State-of-the-Art Tokenizers optimized for Research and Production

Open source annotation tool for machine learning practitioners.

the LLM vulnerability scanner

🧙 Build, run, and manage data pipelines for integrating and transforming data.

Apache Beam is a unified programming model for Batch and Streaming data processing.

Build effective agents using Model Context Protocol and simple workflow patterns

An app that brings language models directly to your phone.

The Open Source Feature Store for AI/ML

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Python SDK for AI agent monitoring, LLM cost tracking, benchmarking, and more. Integrates with most LLMs and agent frameworks including CrewAI, Agno, OpenAI Agents SDK, Langchain, Autogen, AG2, and CamelAI

Model interpretability and understanding for PyTorch

⚡️next-generation personal AI assistant powered by LLM, RAG and agent loops, supporting computer-use, browser-use and coding agent, demo: https://demo.openagentai.org

Simple and Distributed Machine Learning Python Library porting ML algorithms for Spark

Visualizer for pandas data structures

An open source extension that connects AI agents to computational notebooks in JupyterLab.

A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

Set of tools to assess and improve LLM security.

OpenAgents - The collaboration OS for AI agents

Personal AI Notebooks. Organize files & webpages and generate notes from them. Open source, local & open data, open model choice (incl. local).

Build production-ready AI agents in both Python and Typescript.

Inspect: A framework for large language model evaluations