Toolbox
Free tools for people making things with AI. Every one is free to use, and most are open source.
Open source · Apache-2.0Images
PhotoCraft
by ArtCraft
A free Photoshop-style image editor with layers, masks, brushes and real PSD files.
Open source · Apache-2.0Video
FilmCraft
by ArtCraft
A free Premiere Pro-style video editor with a timeline, colour grading and sound.
Open source · Apache-2.0Productivity
WordCraft
by ArtCraft
A free Microsoft Word-style word processor that reads and writes .docx files.
Open source · Apache-2.0Productivity
GridCraft
by ArtCraft
A free Excel-style spreadsheet with formulas, tables, conditional formatting and charts.
Open source · Apache-2.0Productivity
DeckCraft
by ArtCraft
A free PowerPoint-style app for slide decks that opens and saves PowerPoint files.
Open source · Apache-2.0Video
FreeVideo
by FlashML
A desktop app that runs the MiniMax H3 video model on an ordinary gaming PC.
Open source · MITGame Development
ACE-Step 1.5
by ACE Studio and StepFun
Makes full songs or instrumentals from a text description, locally and quickly.
Open source · Apache-2.0Game Development
AI Game Developer (Unity MCP)
by Ivan Murzak
MCP tools, agent skills and a command line tool that connect AI assistants to the Unity Editor, and to your finished game.
Open source · MITGame Development
AI Town
by a16z Infra
A starter kit for a little pixel town where AI characters live, chat and remember each other.
Open source · AGPL-3.0Productivity
AppFlowy
by AppFlowy
Open-source Notion alternative: docs, wikis, databases and Kanban boards, with AI, that you can run yourself.
Open source · MITGame Development
Applio
by IAHispano
Changes a recorded voice into another one, so you can act every character's lines yourself.
Open source · Apache-2.0Game Development
Awesome Gamedev Agent Skills
by Abhishek Barali (gamedev-skills)
74 game-dev skills for coding agents, with a router that loads only the ones your engine needs.
Open source · MITGame Development
Blender MCP
by Siddharth Ahuja
Connects Blender to Claude or any other AI, so it can build and change 3D scenes for you.
Open source · MITAgents & MCP
BrowserSkill
by Tencent
Lets a coding agent use your real, signed-in Chrome or Edge in its own visible window.
Open source · Apache-2.0Agents & MCP
Buzz
by Block
A self-hosted team workspace where people and AI agents share the same chat rooms, repos and workflows.
Open source · MITGame Development
Chatterbox
by Resemble AI
Text-to-speech with a dial for how dramatic the delivery is, for character lines and NPC chatter.
Open source · MITAgents & MCP
Claude Agent SDK (Python)
by Anthropic
Anthropic's Python library for building your own agents on Claude Code's engine. The library is open source; the Claude Code engine it bundles is not.
Open source · MITGame Development
Claude Code Game Studios
by Donchitos
A Claude Code template that sets up a pretend game studio: 49 specialist agents and 74 skills for design, code, art, sound and QA.
Open source · MITCoding
Claude Code Router
by musistudio
Runs Claude Code against whichever model you pick, including local and cheaper ones.
Open source · MITAgents & MCP
Claude Skills
by Alireza Rezvani
Nearly 400 skills, commands and agent personas for Claude Code and other agents, sorted by job.
Open source · Apache-2.0Coding
claude-code-setup
by Anthropic
Anthropic's official plugin that looks over your project and suggests the Claude Code setup to match.
Open source · Apache-2.0Coding
Cline
by Cline
An open-source coding agent that lives in VS Code, or on the command line.
Open source · MITCoding
Cloudflare Security Audit Skill
by Cloudflare
A skill that makes your coding agent do a proper multi-step security audit of your code.
Open source · GPL-3.0Game Development
ComfyUI
by Comfy Org
The node-based app most people use to run open image, video and 3D models on their own computer.
Open source · MITCoding
Coucou
by Louis-CFM
A little character that sits in your Mac's notch (or the top of the screen on Windows and Linux) and keeps an eye on your coding agents.
Open source · AGPL-3.0-onlyGame Development
FreeMoCap
by The FreeMoCap Foundation (Jonathan Matthis)
Markerless motion capture from ordinary webcams, with export straight into Blender.
Open source · MITGame Development
Game Studio plugin for Codex
by OpenAI
OpenAI's own plugin for building browser games in Codex, with a skill that playtests the game for you.
Open source · MITAgents & MCP
GitHub MCP Server
by GitHub
GitHub's official MCP server for issues, pull requests and repos.
Open source · MITGame Development
Godogen
by Alex Ermolov (htdt)
Claude Code and Codex skills that build a whole playable game from a one-line description, in Godot, Bevy or Babylon.js.
Open source · MITGame Development
Godot AI
by hi-godot (the team behind MCP for Unity)
A Godot editor plug-in and MCP server that lets AI assistants build in a live Godot project.
Open source · MITGame Development
Godot MCP
by Coding-Solo
An MCP server that lets an AI assistant open Godot, run your project and read what goes wrong.
Open source · Apache-2.0Agents & MCP
Google Agent Skills
by Google
Google's official set of agent skills for its products and cloud services.
Open source · Apache-2.0Productivity
Google Workspace CLI
by Google
One command-line tool for Drive, Gmail, Calendar, Sheets and Docs, with agent skills included.
Open source · MITAudio & Voice
Handy
by CJ Pais
Free, open-source push-to-talk speech-to-text that runs on your own computer.
Open source · MITAgents & MCP
Hindsight
by Vectorize
A memory system for AI agents that learns from what they did before.
Open source · Apache-2.0Video
HyperFrames
by HyperFrames
Write a video as an HTML page and render it to MP4. Built so AI agents can make videos by writing code.
Open source · Apache-2.0Design
Impeccable
by Paul Bakaus
A design language for AI coding agents: the vocabulary and rules that make what they build look properly designed.
Open source · GPL-3.0Coding
IT Tools
by Corentin Thomasset
A free website full of small developer utilities: converters, encoders, generators and the like.
Open source · GPL-3.0-onlyGame Development
Krita AI Diffusion
by Acly (Interstice)
Adds AI image generation to the free Krita paint program, so you can sketch, select and fill.
Open source · MITAgents & MCP
Langfuse
by Langfuse
Open-source tracing, evals and metrics for LLM apps and agents.
Open source · MITAgents & MCP
LangGraph
by LangGraph
A Python and JavaScript library for building agents that keep state and can pause, retry and resume.
Open source · MITVideo
Lemo Opuscar
by lemomo-ai
A Claude Code skill for making short films without a video model: 43 film styles, each with a demo.
Open source · MITCoding
LiteLLM
by BerriAI
One gateway that talks to 100+ model APIs in the same format, with cost tracking and fallbacks.
Open source · MITModels
llama.cpp
by ggml-org
The engine most local AI apps use to run open language models on ordinary computers.
Open source · Apache-2.0Game Development
LLM for Unity
by Undream AI
A Unity package for characters you can actually talk to, running a language model inside the game.
Open source · MITDesign
Logo Design Skill
by kaankiziltug
A logo-design skill for Claude and other agents: the principles, the process and clean SVG output.
Open source · Apache-2.0Game Development
Magenta RealTime 2
by Google (Magenta)
A music model that plays live and changes as you steer it with text, MIDI or your own playing.
Open source · MITGame Development
MCP for Unity
by Coplay
A Unity package that lets Claude, Codex, Cursor and other AI assistants work directly inside the Unity Editor.
Open source · MITGame Development
MCP Unity
by CoderGamester
A smaller, tidier Unity Editor plug-in and Node.js MCP server for Cursor, Claude Code, Codex and Windsurf.
Open source · Apache-2.0Agents & MCP
Mem0
by Mem0
A memory layer that lets AI agents and apps remember things between sessions.
Open source · MITGame Development
Mindcraft
by Kolby Nottingham and the Mindcraft team
AI players for Minecraft that you can chat to and give jobs, run by whatever model you choose.
Open source · MITVideo
MoneyPrinterTurbo
by harry0703
Makes a finished short video from a topic: script, stock footage, voice-over, subtitles and music in one go.
Open source · EUPL-1.2Game Development
NobodyWho
by NobodyWho
A Godot plug-in that runs a language model inside your game so NPCs can talk back.
Open source · MITAgents & MCP
Octop
by Tencent
Tencent's self-hosted AI assistant where each person in a team or household gets their own login and agents.
Open source · MITModels
Ollama
by Ollama
The easy way to download and run open AI models on your own computer.
Open source · Apache-2.0Audio & Voice
OmniVoice
by k2-fsa
Voice cloning and text to speech in over 600 languages, from an open research team.
Open source · MITAgents & MCP
OpenAI Agents SDK
by OpenAI
OpenAI's Python framework for building agents with handoffs, guardrails and approval steps.
Open source · MITCoding
OpenCode
by Anomaly
An open-source coding agent for the terminal that works with almost any model.
Open source · AGPL-3.0Video
OpenMontage
by calesthio
An open-source video production system run by AI agents: 12 ready-made pipelines and over 100 tools for making finished videos.
Open source · MITDesign
OpenPencil
by Danila Poyarkov
Open-source design editor that opens Figma .fig files, with AI and an MCP server built in.
Open source · Apache-2.0Agents & MCP
OpenRig
by mvschwarz
Builds a lasting team out of Claude Code, Codex and Pi agents, with roles, shared context and hand-offs.
Open source · MITAgents & MCP
Page Agent
by Alibaba
One script that gives any web page its own AI agent that can click and fill things.
Open source · MITAgents & MCP
Paperclip
by Paperclip
An open-source app for managing a team of AI agents at work: give them roles, jobs and budgets and keep an eye on them.
Open source · MIT3D
Pascal Editor
by Pascal
Free, open-source 3D building editor in the browser: walls, rooms, roofs, furniture.
Open source · MITGame Development
Phaser agent skills
by Phaser Studio
The official set of 28 agent skills for Phaser 4, kept in the Phaser repo itself.
Open source · Apache-2.0Agents & MCP
Playwright MCP
by Microsoft
Microsoft's MCP server that lets an agent drive a real browser.
Open source · MITCoding
Ponytail
by Dietrich Gebert
A short skill that tells your coding agent to write less code.
Open source · MITCoding
Promptfoo
by Promptfoo (now OpenAI)
A command-line tool for testing prompts, agents and AI apps like normal software.
Open source · MITCoding
pstack
by Michael Denyer (port of Lauren Tan's pstack)
A port of Lauren Tan's pstack, a set of agent workflows first made as a Cursor plugin, for Claude Code, Codex, Copilot and others.
Open source · MITAgents & MCP
Pydantic AI
by Pydantic
A Python library for building agents with typed inputs and outputs, across every model provider.
Open source · MITGame Development
Pyxel
by Takashi Kitao
A retro game engine for Python with its own built-in pixel art and sound editors.
Open source · MITVideo
ReelMimic
by edenfunf
Show it a video you like and an AI crew in Claude Code or Codex makes a new video in the same style.
Open source · MITCoding
Spec Kit
by GitHub
GitHub's toolkit for spec-driven development with coding agents.
Open source · MITCoding
T3 Code
by Ping (Theo)
An open-source app (desktop, web and mobile) for running coding agents like Claude Code and Codex, with a proper window instead of a terminal.
Open source · MITGame Development
Terrain Diffusion
by Alexander Goslin
An AI replacement for Perlin noise that generates endless, realistic landscapes from a seed.
Open source · MIT3D
text-to-cad
by earthtojake
Lets your coding agent design real 3D CAD parts from a description.
Open source · MITAgents & MCP
The Agency (agency-agents)
by msitarzewski
A big collection of ready-made specialist agents for Claude Code: front-end, design, marketing, testing, writing and lots more.
Open source · MITGame Development
Three.js Game Skills
by Majid Manzarpour
Nine skills that get Claude Code or Codex to build 3D browser games in three.js that actually run.
Open source · MITGame Development
TRELLIS.2
by Microsoft Research
Turns a single picture into a textured 3D model with proper PBR materials, on your own machine.
Open source · MITGame Development
UniRig
by VAST AI Research (Tripo) and Tsinghua University
Puts a skeleton and skin weights on a 3D model automatically, including animals and odd shapes.
Open source · Apache-2.0Game Development
Unity ML-Agents
by Unity Technologies
Unity's toolkit for teaching game characters to play by trial and error instead of scripting them.
Open source · MITGame Development
Universal Modder
by Universal Modder
Skills and tools that let Claude Code mod almost any single-player PC game you own.
Open source · MITAudio & Voice
Unmute
by Kyutai
Kyutai's open-source kit that gives any text model ears and a voice, with interruptible back-and-forth talk.
Open source · AGPL-3.0Audio & Voice
VoiceStudio
by debpalash
An open-source, fully local alternative to ElevenLabs: voice cloning, voice design, dubbing and text to speech on your own computer.
Open source · MITCoding
Whiteboard
by C:/Program Files/Git/dev/fast
A desktop canvas where Claude Code or Codex draws diagrams of the code it has written.
Open source · Apache-2.0Images
ArtCraft
by ArtCraft
An AI image and video studio where you build the scene in 2D and 3D before you generate it.
Open source · Apache-2.0Images
LightCraft
by ArtCraft
A free Lightroom-style photo library and raw developer that runs on your own machine.
Open source · Apache-2.0Productivity
PdfCraft
by ArtCraft
A free Acrobat-style PDF app for reading, commenting, signing, combining and splitting PDFs.
Open source · Apache-2.0Design
VectorCraft
by ArtCraft
A free Illustrator-style vector app for logos, icons and illustration.
Open source · Apache-2.0Video
EffectCraft
by ArtCraft
A free After Effects-style app for motion graphics and visual effects.
Open source · Apache-2.0Design
DesignCraft
by ArtCraft
A free InDesign-style page layout app for magazines, booklets and posters.
Open source · Apache-2.0Design
CADCraft
by ArtCraft
A free AutoCAD-style drafting app with the command line, snaps, layers and DXF drawings.
Open source · Apache-2.0Audio & Voice
SoundCraft
by ArtCraft
A free Pro Tools-style studio for recording, editing and mixing audio.
Open source · Apache-2.0Other
ArtCraft Launcher
by ArtCraft
One app that installs, updates and opens every ArtCraft app.