20 Best Free AI Tools in 2026

Local-first knowledge base with community-driven AI plugins.

Google AI notebook that generates insights and audio overviews from your documents

AI pair programming in your terminal

基于 chatgpt.com 逆向的 OpenAI 兼容 SaaS 网关 · GPT-IMAGE-2 稳定 · 批量出图 · 多账号池 · 高并发调度 · 积分计费 · 技术交流QQ 群 382446

Agent Engineer - a practical course for software engineers

A directory for discovering and categorizing AI tools.

AI-powered academic search by Allen Institute

说人话｜Chinese-first AI writing refinement skill that reduces boilerplate and AI tone while preserving facts, terminology, and technical context.

Build interactive dashboards using drag and drop with AI-generated code.

Medieval village economy simulation — up to 1000 LLM agents across multiple villages, driven by supply chains, hunger, tool degradation and market ...

A lightweight, offline Android Text-to-Speech (TTS) engine enabling seamless system-wide voice cloning and high-fidelity text reading. / 运行在安卓本地的轻量...

A machine learning primer built from first principles. For engineers who want to reason about ML systems the way they reason about software systems.

🚀 200倍速！AI时代的下载神器 | Docker/PyPI/HuggingFace/CRAN 全加速 | 并行分片+智能缓存，让下载飞起来

Create videos with full cinematic control using a model that understands and manipulates the scene in 3D. Upload your source image and a video of the actor to manipulate character

Independently authored prompt templates for AI coding agents — system prompts, tool prompts, agent delegation, memory management, and multi-agent c...

⚡ Zero-Stall MoE Inference via Lookahead Prediction & Async DMA Prefetching. Optimized for SSD I/O with Hybrid MLA+Sliding Window Attention.

Runtime policy enforcement for AI agents. Cryptographic audit trail, human-in-the-loop approvals, kill switch. Zero code changes.

Stable Diffusion Free AI Image Generator Flux 2 Local Deployment Real-time Video Character Consistency Identity Anchoring SDXL Turbo LoRA Training ...

一个本地优先的AI知识库系统（RAG），用于把本地文档接入辅导搜索与大模型对话流程。目前支持md、txt、pdf（文本）、xlsx、cvs类型。支持mcp服务

Observal is an AI agent registry with first in class observabilty and eval framework