Curated collection

Best AI Tools Directory

Compare 4,223 quality-filtered AI tools—LLMs, coding agents, image generators, and automation—using public popularity, activity, and licensing data.

Explore quality-filtered AI tools for chat, coding agents, image generation, RAG, and automation. Rankings use public popularity and project activity—not paid placements.

Top AI tools

4223 tools

99/100

h2o-llmstudio

H2O LLM Studio - a framework and no-code GUI for fine-tuning LLMs. Documentation: https://docs.h2o.ai/h2o-llmstudio/

Open source AI
99/100

oasis

🏝️ OASIS: Open Agent Social Interaction Simulations with One Million Agents.

Open source AI
99/100

agent-skills

The secure, validated skill registry for professional AI coding agents. Extend Antigravity, Claude Code, Cursor, Copilot and more with absolute confidence.

Open source AI
99/100

EasyR1

EasyR1: An Efficient, Scalable, Multi-Modality RL Training Framework based on veRL

Open source AI
99/100

argilla

Argilla is a collaboration tool for AI engineers and domain experts to build high-quality datasets

Open source AI
99/100

failproofai

Observability and enforcement for AI agent harnesses. Capture every run and runtime reliability with policy enforcement.

Open source AI
99/100

AutoRAG

AutoRAG: Now your agent can find anything in your computer. It gets smarter if you are using it frequently.

Open source AI
99/100

json_repair

Repair malformed JSON from LLMs, APIs, logs, and user input in Python.

Open source Developer ToolsAI
99/100

cli

📜 Entire CLI hooks into your Git workflow to capture AI agent sessions as you work. Sessions are indexed alongside commits, creating a searchable record of how

Open source AI
99/100

Kiln

Build, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation, dataset management, MCP, and more.

Open source AI
99/100

text-embeddings-inference

A blazing fast inference solution for text embeddings models

Open source AI
99/100

executorch

On-device AI across mobile, embedded and edge for PyTorch

Open source AI
99/100

tick-stock-panel

TSP自托管、零运维的 A 股「选股 + 监控 + 回测」量化工作台 | LLM能力驱使策略定制+个股分析+复盘 | 自由接入第三方数据源与个性化扩展数据 | 个人开源

Open source AI
98/100

LLMs.txt and LLMs-Full.txt Generator

Generate structured llms.txt files for WordPress to optimize AI model interaction with your content.

Open source AISEO
98/100

agentgateway

Next Generation Agentic Proxy for AI Agents and MCP servers

Open source AI
98/100

mockserver-monorepo

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1,

Open source AI
98/100

CADAM

CADAM is the open source text-to-CAD web application

Open source AI
98/100

solace-agent-mesh

An event-driven framework designed to build and orchestrate multi-agent AI systems. It enables seamless integration of AI agents with real-world data sources an

Open source AI
98/100

ag2

AG2 (formerly AutoGen): The Open-Source AgentOS.Join us at: https://discord.gg/sNGSwQME3x

Open source AI
98/100

all-api-hub

All-in-one New-API/Sub2API account hub: balance/usage dashboard, auto check-in, one-click keys, price comparison, health checks, plus advanced channel managemen

Open source AI
98/100

langwatch

The platform for LLM evaluations and AI agent testing

Open source AI
98/100

djl

An Engine-Agnostic Deep Learning Framework in Java

Open source AI
98/100

poster-design

迅排设计 - 图片编辑器、AI 在线海报设计,仿稿定设计,适用于多种场景:海报生成、电商产品图、文章长图、视频/公众号封面等。A beautiful online image designer, suitab

Open source AI
98/100

pangu.js

Opinionated paranoid text spacing in JavaScript, with on-device AI semantic judgment

Open source AI