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.

96 tools

posthog.com

Open-source platform for building self-driving products

Coding & DevelopmentOpen sourceOpen sourceAPI
1 sourceView details

qvac.tether.io

Local AI SDK for building private, cross-platform AI applications

AI ModelsOpen sourceOpen sourceAPI
2 sourcesView details

brainapi.lumen-labs.ai

Knowledge graph–powered AI memory layer for intelligent search, recommendations, and contextual memory.

AI AgentsUnknownOpen sourceAPI
1 sourceView details

onyx.app

Open-source AI chat platform with advanced features

AI AgentsOpen sourceOpen sourceAPI
1 sourceView details

nanobot.wiki

Ultra-lightweight, open-source, self-hosted personal AI agent framework

AI AgentsOpen sourceOpen sourceAPI
1 sourceView details

sglang.io

High-performance serving framework for large language models and multimodal models.

AI ModelsOpen sourceOpen sourceAPI
1 sourceView details

kserve.github.io

A standardized distributed generative and predictive AI inference platform for scalable, multi-framework deployment on Kubernetes.

Machine LearningOpen sourceOpen sourceAPI
1 sourceView details

voiceblender.org

A programmable Voice AI platform with built-in AI support and REST API

AI AgentsOpen sourceOpen sourceAPI
1 sourceView details

cvat.ai

Open-source computer vision annotation tool

Machine LearningOpen sourceOpen sourceAPI
1 sourceView details

relaticle.com

Open-source CRM with native AI agent support

BusinessOpen sourceOpen sourceAPI
1 sourceView details

github.com

A production-oriented AI workflow runtime for building, validating, recovering, and shipping complex AI workflows as dependable services.

AI AgentsUnknownOpen sourceAPI
1 sourceView details

bailian.console.aliyun.com

Model Studio CLI for AI Agent frameworks, exposing models, search, multimodal, and workflow capabilities.

AI AgentsContact salesOpen sourceAPI
1 sourceView details

vmlx.net

Open-source Mac app for local LLM inference on Apple Silicon

AI AgentsOpen sourceOpen sourceAPI
1 sourceView details

maxkb.cn

Open-source platform for building enterprise-grade agents

AI AgentsOpen sourceOpen sourceAPI
1 sourceView details

localai.io

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

AI AgentsOpen sourceOpen sourceAPI
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

mem0.ai

AI memory layer for personalized interactions

AI AgentsContact salesOpen sourceAPI
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

big-agi.com

AI suite with advanced AGI functions and multi-model chats

AI AgentsUnknownOpen sourceAPI
1 sourceView details