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.
185 tools
haystack.deepset.ai
Open-source AI orchestration framework for building production-ready LLM applications
posthog.com
Open-source platform for building self-driving products
qvac.tether.io
Local AI SDK for building private, cross-platform AI 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.
kiln3d.com
AI-powered 3D printing tool for designing, generating, and printing 3D objects
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
sglang.io
High-performance serving framework for large language models and multimodal models.
kserve.github.io
A standardized distributed generative and predictive AI inference platform for scalable, multi-framework deployment on Kubernetes.
pingcap.com
Cloud-native, distributed SQL database for high availability and scalability
github.com
An open-source framework for turning HTML, CSS, media, and seekable animations into deterministic MP4 videos.
repowise.dev
Codebase intelligence for AI and humans with code health scores, auto-generated docs, and dead code detection.
three.ws
Open-source 3D AI agent framework with GLB/glTF avatars and LLM brains
github.com
High-performance AI pipeline engine with a C++ core and Python-extensible nodes.
zeroclawlabs.ai
Private AI assistant infrastructure for local deployment
voiceblender.org
A programmable Voice AI platform with built-in AI support and REST API
cvat.ai
Open-source computer vision annotation tool
