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.

814 tools

ecc.tools

ECC is an agent harness performance optimization system for Claude Code, Codex, and other coding agents.

Coding & DevelopmentOpen sourceOpen source
1 sourceView details

localai.io

Open-source AI engine for running models on any hardware without GPU

AI AgentsOpen sourceOpen sourceAPI
1 sourceView details

unsloth.ai

Local UI to run and train LLMs and diffusion models

AI AgentsUnknownOpen source
1 sourceView details

docs.langchain.com

An open-source agent harness for building and deploying AI agents.

AI AgentsOpen sourceOpen source
1 sourceView details

omnibase.chat

Self-hosted AI workbench for knowledge, RAG, model providers, and user-built agents.

AI AgentsOpen sourceOpen sourceAPI
1 sourceView details

agxbuilder.com

A unified, production-ready multi-agent platform for building intelligent agent applications.

AI AgentsUnknownOpen source
1 sourceView details

Self-hosted AI agent infrastructure for automating business tasks

Coding & DevelopmentOpen sourceOpen source
1 sourceView details

aidevops.sh

Open-source AI DevOps assistant for OpenCode

Coding & DevelopmentOpen sourceOpen source
1 sourceView details

mem0.ai

AI memory layer for personalized interactions

AI AgentsContact salesOpen sourceAPI
1 sourceView details

cocoindex.io

Incremental engine for long-horizon agents

Coding & DevelopmentUnknownOpen source
1 sourceView details

myabu.cn

Local-first AI agent desktop app for automation and productivity

ProductivityOpen sourceOpen source
1 sourceView details

metabase.com

Open-source business intelligence and analytics tool

BusinessOpen sourceOpen sourceAPI
1 sourceView details

docs.headroomlabs.ai

Context optimization layer for LLM applications, compressing tool outputs, logs, and RAG chunks before they reach the LLM.

AI AgentsUnknownOpen sourceAPI
1 sourceView details

comfyui-mcp.artokun.io

Local-first, agent-native control plane for ComfyUI

AI AgentsUnknownOpen source
1 sourceView details

nx.dev

Monorepo platform for developers and AI agents

Coding & DevelopmentOpen sourceOpen source
1 sourceView details

penguin.ooo

Open-source harness for building and evolving AI agents

AI AgentsOpen sourceOpen source
1 sourceView details

cowagent.ai

Open-source super AI assistant with task planning, memory, knowledge, and evolution capabilities.

AI AgentsOpen sourceOpen source
1 sourceView details

big-agi.com

AI suite with advanced AGI functions and multi-model chats

AI AgentsUnknownOpen sourceAPI
1 sourceView details

docs.livekit.io

Real-time video, audio, and data for developers

Coding & DevelopmentOpen sourceOpen sourceAPI
1 sourceView details

cebian.catcat.work

A browser-based AI assistant that lives in the sidebar.

AI AgentsOpen sourceOpen source
1 sourceView details