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.
34 tools
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
voiceblender.org
A programmable Voice AI platform with built-in AI support and REST API
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
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
vexa.ai
Open-source meeting transcription API for Google Meet, Microsoft Teams, and Zoom.
github.com
Open-source metasearch backend and AI search API for LLM agents.
docs.model-ship.ai
Self-hosted OpenAI-compatible inference for the agentic era
cognee.ai
Open-source AI memory engine for agents
docs.rs
Rust library for building OpenAI agents
comet.com
Open-source platform for AI engineering and LLM application management
tanstack.com
Type-safe TypeScript AI SDK for streaming chat and multimodal generation.
