AI tools tagged Open Source Free

Stateful, graph-based agent orchestration from LangChain.

Data framework for connecting LLMs to your data.

Python framework for multi-agent orchestration.

Open-source image generation — run anywhere, fine-tune anything.

Open-source agentic coding assistant that plans, edits, and runs code inside your IDE

OpenAI's open-source speech-to-text — the de-facto baseline.

Terminal-based AI pair programmer that writes commits.

Low-code Python AutoML library that wraps scikit-learn, XGBoost, LightGBM and friends behind a few-line API.

Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.

Open-source vector DB with hybrid search and modules.

Open-source Python-native orchestration platform for AI, ML, and data workflows at production scale.

Open-source LLM observability — one-line proxy install.

The broad LLM application framework — chains, agents, retrievers.

Meta's open-weight LLM family covering 1B mobile models up to 405B frontier and natively multimodal 10M-context Llama 4 variants.

Open-source text-to-SQL agent that learns your schema and writes queries against your real warehouse.

Open-source high-throughput inference engine for serving LLMs with PagedAttention and continuous batching.

Open-source framework and managed platform for serving and scaling AI models in production.

Open-source feature store that serves consistent features to ML training and online inference, with RAG vector search built in.

Open-source video composition framework that lets AI agents build videos by writing HTML, CSS, and JS.

Open-source desktop ChatGPT alternative that runs local LLMs and routes to cloud providers from one app.

Open-source, self-hostable ChatGPT-style frontend that brings every major LLM provider under one roof.

Declarative, YAML-driven deep learning framework for fine-tuning LLMs and multi-modal models without writing training loops.

Open-source high-throughput inference engine for LLMs and multimodal models with OpenAI-compatible serving.

Open-source LLM fine-tuning toolkit with custom kernels that train 2-30x faster and use up to 90% less VRAM.

Yahoo's open-source search engine with vector + sparse retrieval.

Embedded, developer-friendly vector store for Python.

Open-source TypeScript framework for building, deploying, and observing AI agents and workflows.

OpenAI's open-source framework for benchmarking LLMs against a shared registry of evaluations.

Open-source Python framework for automated hyperparameter optimization across any ML stack.

Open-source desktop AI assistant that wires every major LLM provider into one local app with agents, vision, and a code interpreter.

Open-source RAG engine with deep document parsing, hybrid search, and visual agent orchestration.

Open-source Python library for distributed hyperparameter tuning at any scale.

Packs an entire codebase into a single AI-friendly file so LLMs can actually read your repo.

Open-source Python framework for building multi-agent systems and synthetic data pipelines.

Google's open-source terminal agent that brings Gemini 3 into your shell for codebase edits and workflow automation.

Open-source desktop and self-hosted app that turns your documents into a private chat-and-agent workspace.

Open-source, self-hostable VS Code/JetBrains AI assistant.

Open-source personal AI that builds agents, searches your documents, and automates research across local files and the web.

NVIDIA's open-source suite of GPU-accelerated drop-in replacements for pandas, scikit-learn, and NetworkX.

Open-source platform for building autonomous AI agents.

Stanford's open-source research agent that turns a topic into a Wikipedia-style article with citations.

Open-source context compression layer that strips 70-95% of boilerplate before it hits your LLM.

Open standard that lets AI apps plug into data sources, tools, and workflows like USB-C for LLMs.

Lightweight multi-agent orchestration in Python.

Open-source bridge that hands your already-logged-in Chrome session to a CLI and AI agents.

Microsoft's open-source trainer that fine-tunes AI agents with RL and prompt optimization, framework-agnostic.

Open-source agentic AI assistant that bridges chat platforms like Telegram, Discord, and QQ with any LLM and a 1000+ plugin ecosystem.

Open-source AI gateway that unifies 1000+ models behind one OpenAI-compatible endpoint with failover, budgets, and MCP routing.