100% Free & Open Source

Every AI Tool You Need. Zero Cost.

The best open-source AI tools organized by what you actually want to do. Generate images, clone voices, animate faces, make music, restore photos — all free.

21
AI Tools
8
Categories
$0
To Use
500K+
GitHub Stars Combined
🎨

Image Generation

Type a description, get a picture. These tools generate any image you can imagine.

Free

Stable Diffusion WebUI

The OG AI image generator

The most popular AI image generator in the world. Type what you want and it creates it. Photorealistic faces, anime, landscapes, product shots — anything. Has a web interface you run on your computer.

Text to ImageImage to ImageInpainting150K+ Stars
Free

ComfyUI

Visual workflow for AI images

Like Stable Diffusion but with a drag-and-drop node editor. Connect blocks together to build custom image generation pipelines. Power users love this — you can chain multiple AI models together in one workflow.

Node EditorCustom WorkflowsExtensible
Free

Fooocus

Easiest AI image generator

If Stable Diffusion is too complicated, use this. One click install, type and generate. No settings to configure. Designed to be as simple as Midjourney but completely free and offline. Best for beginners.

Beginner FriendlyOne ClickOffline
🎬

Video Generation

Turn images into videos, animate between frames, or generate video from text.

Free

ToonCrafter

Smooth cartoon animation

Give it two cartoon images and it creates smooth animation between them. Like drawing the first and last frame of a flipbook and AI fills in the middle. From SIGGRAPH Asia 2024.

Cartoon AnimationFrame InterpolationSIGGRAPH
Free

AnimateDiff

Make any image move

Adds a motion module to Stable Diffusion so your generated images come alive. Characters walk, waves crash, hair blows in wind. The go-to for AI video clips.

Image to VideoMotion ModuleSD Compatible
Free

Open-Sora

Open source Sora alternative

An open-source version of OpenAI's Sora. Generate full videos from text descriptions. "A dog running on a beach at sunset" becomes a real video. Still early but improving fast.

Text to VideoOpen Source SoraResearch
Free

Wan2.1

Next-gen video generation

Latest open-source video generation model. High quality text-to-video and image-to-video. Creates cinematic clips with natural motion and good consistency.

Text to VideoImage to VideoLatest Model
🎤

Voice & Speech

Clone any voice, convert your voice to someone else's, or generate speech from text.

Free

RVC (Voice Conversion)

Clone any voice in minutes

Record 10 minutes of someone's voice and RVC can clone it. Then you speak and it comes out sounding like them — in real time. Used by musicians, content creators, and voice actors worldwide.

Voice CloningReal-time10min Training
Free

Fish Speech

Ultra-realistic text to speech

Type text, get a human-sounding voice reading it. Supports multiple languages, emotions, and speaking styles. Way more natural than robotic TTS. Clone a voice from just 15 seconds of audio.

Text to SpeechVoice CloneMulti-language
Free

Coqui TTS

Production-grade text to speech

Battle-tested TTS engine with 1100+ languages. Used in real products. Great API for developers who need to add voice to their apps. Run it locally, no cloud needed.

1100+ LanguagesProduction ReadyDeveloper API
🎭

Face Animation

Make any face talk, move, or express emotions. Real or cartoon.

Free

SadTalker

Make any face talk from audio

Give it a photo + audio and the face talks with lip sync. Head moves naturally, mouth matches words. CVPR 2023 paper. Works on real faces, cartoons, paintings — anything with a face.

Lip SyncAudio DrivenCVPR 2023
Free

LivePortrait

Bring any portrait to life

Any face picture and it adds head turns, blinks, eyebrow raises, expressions. You control the motion. Like Harry Potter moving portraits. Made by the Kling AI team.

Expression ControlAny Face StyleKling AI
Free

Deep Live Cam

Real-time face swap on webcam

Swap your face with anyone in real-time on your webcam. One photo of the target face is all you need. Works in video calls, streaming, or recording. The viral face swap tool of 2025.

Real-timeFace SwapWebcamViral
🎵

Music & Sound

Generate music, sound effects, and audio from text descriptions.

Free

AudioCraft

Meta's AI music generator

Made by Meta (Facebook). Type "upbeat hip hop beat with bass" and it generates the music. Also does sound effects and audio from text. Research-grade quality, completely open source.

Text to MusicSound EffectsMeta Research
Free

Bark

AI that speaks AND sings

From Suno AI. Generates speech, music, sound effects, and even singing all from text prompts. Add [laughs] or [singing] in your text and it actually does it. Wild versatility.

Speech + MusicSingingSound Effects

Upscale & Restore

Fix blurry photos, upscale low-res images, restore old damaged photos.

Free

Real-ESRGAN

Make any image 4x sharper

Upscale any image to 4x resolution while making it look natural. Blurry photo? Old screenshot? Low-res meme? Feed it through and get a crispy HD version. Works on photos, art, and anime.

4x UpscalePhoto + AnimeOne Click
Free

CodeFormer

Restore and fix faces in photos

Old damaged photo? Blurry face? CodeFormer rebuilds faces to look clear and natural. Used by restoration professionals. Also removes scratches, fixes colors, and enhances old photos.

Face RestorationOld Photo FixProfessional
💬

Chat & Text AI

Run ChatGPT-like AI models on your own computer. Private, free, unlimited.

Free

Open WebUI

ChatGPT but on your computer

A beautiful ChatGPT-style interface that runs locally. Connect it to Ollama or any AI model. Chat, generate text, analyze documents — all offline, all private, all free. No OpenAI subscription needed.

ChatGPT AlternativeLocalPrivate
Free

Text Generation WebUI

Run any AI model locally

The Swiss Army knife. Load any open-source AI model (LLaMA, Mistral, etc.) and chat with it through a web interface. Supports extensions, characters, and fine-tuning. The power user's choice.

Any ModelExtensionsAdvanced
💻

Code AI

AI that helps you write code. Like GitHub Copilot but free and open source.

Free

Continue

Open source Copilot for VS Code

AI code autocomplete and chat inside VS Code. Connect it to any AI model (Claude, GPT, local models). Tab to accept suggestions, ask questions about your code, generate functions. Free Copilot alternative.

VS CodeAutocompleteAny Model
Free

Tabby

Self-hosted code AI

Run your own Copilot server. Code completion that runs on your machine — your code never leaves your computer. Supports multiple languages and editors. Perfect for privacy-conscious developers.

Self-hostedPrivateMulti-editor

Live Demos

Real results from these tools — see them in action

AI Talking Cartoon (SadTalker)

Generated a character and made it talk with lip sync

Dark Psychology Short (Full Pipeline)

AI images + Ken Burns + narration + auto-captions

Motivational Documentary (Full Pipeline)

Cinematic visuals + deep narrator + emotional story