RAG Tools

A crawler service that turns websites into clean Markdown or structured data.

A self-hosted workbench for building AI applications from a visual canvas, with document search and model switching built in.

A private web page for talking to AI models, with accounts and document upload.

Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

A C and C++ library and command-line tool for running language models locally.

A crawler that turns web pages into clean text for a language model.

A document parser that turns PDFs, office files, images and audio into clean structured text.

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active

A library for efficient similarity search and clustering of dense vectors.

It improves the instructions sent to an AI model by measuring the answers instead of guessing.

Open Source AI Platform - AI Chat with advanced features that works with every LLM

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.

A Postgres extension that adds a vector column type and nearest-neighbour search.

An AI agent development platform with all-in-one visual tools, simplifying agent creation, debugging, and deployment like never before. Coze your way to AI Agent creation.

Tests for language-model output, written and run like ordinary unit tests.

Self-hosted machine-translation API — removes the per-character meter from running a bilingual site.

Scores how good a retrieval-based AI answer is, so a change can be shown to have helped or hurt.

Runs standard question sets against a language model and reports the scores.

Build high-quality LLM apps - from prototyping, testing to production deployment and monitoring.

Open-source observability for your GenAI or LLM application, based on OpenTelemetry

Puts rules you write around a language model's input and output, and enforces them before the answer reaches anybody.

Laminar - open-source observability platform purpose-built for AI agents. YC S24.

A ready-made assistant service with document search, a plugin system and a chat connection included.

A PostgreSQL add-on that makes similarity search work on more data than fits in memory.

Splits text into real sentences in 85 languages, even when the writing has no punctuation.

An audit that scores how readable and quotable a site is to AI answer engines.

Fast removal of near-duplicate text from a dataset.