A collective list of free APIs

Stable Diffusion web UI

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Python tool for converting files and office documents to Markdown.

中英文敏感词、语言检测、中外手机/电话归属地/运营商查询、名字推断性别、手机号抽取、身份证抽取、邮箱抽取、中日文人名库、中文缩写库、拆字词典、词汇情感值、停用词、反动词表、暴恐词表、繁简体转换、英文模拟中文发音、汪峰歌词生成器、职业名称词库、同义词库、反义词库、否定词库、汽车品牌词库、汽车零件词库、连续英文切割、各种中文词向量、公司名字大全、古诗词库、IT词库、财经词库、成语词库、地名词库、…

🌐 Make websites accessible for AI agents. Automate tasks online with ease.

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

Unified Efficient Fine-Tuning of 100+ LLMs & VLMs (ACL 2024)

The official gpt4free repository | various collection of powerful language models | o4, o3 and deepseek r1, gpt-4.1, gemini 2.5

The world's simplest facial recognition api for Python and the command line

No fortress, purely open ground. OpenManus is Coming.

Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.

Fine-tuning & Reinforcement Learning for LLMs. 🦥 Train OpenAI gpt-oss, DeepSeek, Qwen, Llama, Gemma, TTS 2x faster with 70% less VRAM.

利用AI大模型，一键生成高清短视频 Generate short videos with one click using AI LLM.

基于大模型搭建的聊天机器人，同时支持 微信公众号、企业微信应用、飞书、钉钉 等接入，可选择ChatGPT/Claude/DeepSeek/文心一言/讯飞星火/通义千问/ Gemini/GLM-4/Kimi/LinkAI，能处理文本、语音和图片，访问操作系统和互联网，支持基于自有知识库进行定制企业智能客服。

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

A modular graph-based Retrieval-Augmented Generation (RAG) system

Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.

[EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"

🤖 Chat with your SQL database 📊. Accurate Text-to-SQL Generation via LLMs using Agentic Retrieval 🔄.

🚀 The fast, Pythonic way to build MCP servers and clients

Xiaomi Home Integration for Home Assistant

🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。

中文LLaMA&Alpaca大语言模型+本地CPU/GPU训练部署 (Chinese LLaMA & Alpaca LLMs)

🦉 OWL: Optimized Workforce Learning for General Multi-Agent Assistance in Real-World Task Automation

Toolkit for linearizing PDFs for LLM datasets/training

Llama中文社区，实时汇总最新Llama学习资料，构建最好的中文Llama大模型开源生态，完全开源可商用

Agent framework and applications built upon Qwen>=3.0, featuring Function Calling, MCP, Code Interpreter, RAG, Chrome extension, etc.

Custom Selenium Chromedriver | Zero-Config | Passes ALL bot mitigation systems (like Distil / Imperva/ Datadadome / CloudFlare IUAM)

Expose your FastAPI endpoints as Model Context Protocol (MCP) tools, with Auth!