Free AI tools for AI Infrastructure & Dev Platforms

Free WordPress plugin exposing 240 MCP tools so Claude, ChatGPT, or Cursor can research, write, and publish posts.

Links the machines you already own into an encrypted mesh that runs, trains and versions models locally

German non-profit publishing open image-text datasets like LAION-5B, plus CLIP models, for ML research

Meta's family of open-weight LLMs, downloadable under a community licence with a 700M-MAU carve-out.

Query language and runtime for constrained LLM prompting, built at ETH Zurich's SRI Lab.

MIT-licensed Python/JavaScript framework for building LLM agents, with 1,000+ model and tool integrations

Open-source visual builder for LLM agents and RAG flows, deployable as an HTTP API or an MCP server.

A free macOS menu-bar app that reroutes Claude Code and Claude Desktop to run on a different AI model provider.

MIT-licensed JavaScript model that sorts images into porn, hentai, sexy, drawing or neutral in-browser

NVIDIA's open family of AI weather and climate models, covering forecasting, nowcasting, and high-resolution downscaling.

Open-source MCP server that lets AI assistants like Claude Desktop send texts, place calls, and read phone notifications.

Free platform for optimizing, quantizing and deploying PyTorch or ONNX models to run on Qualcomm phones, PCs, cars and IoT chips.

Builds an open-source, Postgres-based memory engine that gives AI agents relational, vector, and graph retrieval.