Free AI tools
Tools with a free plan, a free tier, or an open-source licence. Pricing is only shown when the tool's own website states it.
59 tools
haystack.deepset.ai
Open-source AI orchestration framework for building production-ready LLM applications
elizaos.ai
Open-source agentic operating system for autonomous AI agents
ibm.github.io
An open source registry and proxy for federating MCP, A2A, and REST/gRPC APIs.
onyx.app
Open-source AI chat platform with advanced features
getwren.ai
Open-source, governed text-to-SQL engine for AI agents
getsemantica.ai
Graph-native infrastructure for context and accountable AI systems
nanobot.wiki
Ultra-lightweight, open-source, self-hosted personal AI agent framework
three.ws
Open-source 3D AI agent framework with GLB/glTF avatars and LLM brains
zeroclawlabs.ai
Private AI assistant infrastructure for local deployment
voiceblender.org
A programmable Voice AI platform with built-in AI support and REST API
ollamaclient.in
A lightweight, privacy-first extension to chat with local LLMs
vmlx.net
Open-source Mac app for local LLM inference on Apple Silicon
decocms.com
Open-source control plane for AI agents
maxkb.cn
Open-source platform for building enterprise-grade agents
localai.io
Open-source AI engine for running models on any hardware without GPU
docs.langchain.com
An open-source agent harness for building and deploying AI agents.
omnibase.chat
Self-hosted AI workbench for knowledge, RAG, model providers, and user-built agents.
penguin.ooo
Open-source harness for building and evolving AI agents
cowagent.ai
Open-source super AI assistant with task planning, memory, knowledge, and evolution capabilities.
cebian.catcat.work
A browser-based AI assistant that lives in the sidebar.
