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.
102 tools
posthog.com
Open-source platform for building self-driving products
qvac.tether.io
Local AI SDK for building private, cross-platform AI applications
brainapi.lumen-labs.ai
Knowledge graph–powered AI memory layer for intelligent search, recommendations, and contextual memory.
onyx.app
Open-source AI chat platform with advanced features
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.
voiceblender.org
A programmable Voice AI platform with built-in AI support and REST API
cvat.ai
Open-source computer vision annotation tool
github.com
A production-oriented AI workflow runtime for building, validating, recovering, and shipping complex AI workflows as dependable services.
bailian.console.aliyun.com
Model Studio CLI for AI Agent frameworks, exposing models, search, multimodal, and workflow capabilities.
vmlx.net
Open-source Mac app for local LLM inference on Apple Silicon
maxkb.cn
Open-source platform for building enterprise-grade agents
localai.io
Open-source AI engine for running models on any hardware without GPU
omnibase.chat
Self-hosted AI workbench for knowledge, RAG, model providers, and user-built agents.
mem0.ai
AI memory layer for personalized interactions
metabase.com
Open-source business intelligence and analytics tool
docs.headroomlabs.ai
Context optimization layer for LLM applications, compressing tool outputs, logs, and RAG chunks before they reach the LLM.
big-agi.com
AI suite with advanced AGI functions and multi-model chats
docs.livekit.io
Real-time video, audio, and data for developers
