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ForkopolisThe free store and magazine for open AI

Free open-source AI tools, scored and explained

Forkopolis is a free store and magazine for open-source AI, with a guide to the paid tools worth knowing.

Free Market

Everything here is free. Every tool is scored, labeled, and linked straight to the source.

Browse all 57 tools
I want to…
make AI videogenerate imagesupscale or restore a photoremove a backgroundtranscribe audio or videoturn text into speechclone or change a voicemake musicchat with AI privatelychat with my documentswrite code with AIbuild an AI agent or workflowtrain or fine-tune a modelwrite stories or role-play
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OpenCode screenshot
Coding4.9

OpenCode iconOpenCode

A coding agent for the terminal that works with many model providers.

  • Easy install
  • Windows · Mac · Linux
Code
Open source, MIT
Models
Your choice, open or paid
Runs
Your computer or the cloud
Real cost
Free app, model fees vary
Get it
MarkItDown screenshot
Agents and workflows4.9

MarkItDown iconMarkItDown

Turns almost any file, from spreadsheets to audio, into plain text ready for an AI model.

  • Some setup
  • Windows · Mac · Linux
Code
Open source, MIT
Models
None needed
Runs
On your computer
Real cost
Free
Get it
Ollama screenshot
Chat models4.8

Ollama iconOllama

Download and run open language models on your own computer with a single command.

  • Easy install
  • Windows · Mac · Linux
Code
Open source, MIT
Models
Open weights
Runs
On your computer
Real cost
Free
Get it
Langflow screenshot
Agents and workflows4.8

Langflow iconLangflow

Build AI apps and agents by dragging and connecting blocks, with little or no code.

  • Some setup
  • Windows · Mac · Linux
Code
Open source, MIT
Models
Your choice, open or paid
Runs
Your computer or the cloud
Real cost
Free app, model fees vary
Get it
ComfyUI screenshot
Images4.8

ComfyUI iconComfyUI

Build image and video generation workflows by connecting blocks, with full control over every step.

  • Some setup
  • Windows · Mac · Linux
Code
Open source, GPL-3.0
Models
Open weights, your choice
Runs
On your computer
Real cost
Free
Get it
llama.cpp screenshot
Chat models4.8

llama.cpp iconllama.cpp

The engine under many local AI apps. Runs language models efficiently on almost any hardware.

  • For tinkerers
  • Windows · Mac · Linux
Code
Open source, MIT
Models
Open weights
Runs
On your computer
Real cost
Free
Get it
Browser Use screenshot
Agents and workflows4.7

Browser Use iconBrowser Use

Lets an AI agent operate a web browser to fill forms, click through sites, and gather information.

  • For tinkerers
  • Windows · Mac · Linux
Code
Open source, MIT
Models
Your choice, open or paid
Runs
Your computer or the cloud
Real cost
Free, model fees vary
Get it
Whisper screenshot
Voice4.7

Whisper iconWhisper

Turns speech into text. Transcribes and translates recordings, interviews, and video audio.

  • Some setup
  • Windows · Mac · Linux
Code
Open source, MIT
Models
Open weights
Runs
On your computer
Real cost
Free
Get it

The Chart

Updated weekly

The top open AI tools, ranked by the Forkopolis score.

  1. 1
    OpenCodeCoding
    4.9Holding
  2. 2
    MarkItDownAgents and workflows
    4.9Holding
  3. 3
    OllamaChat models
    4.8Holding
  4. 4
    LangflowAgents and workflows
    4.8Holding
  5. 5
    ComfyUIImages
    4.8Holding
  6. 6
    llama.cppChat models
    4.8Holding
See the full chart

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Uptown: paid AI tools

When free isn't enough. The paid services worth knowing, each with a free alternative.

See all 35 paid tools

Uptown lists paid services. Some buttons are affiliate links, which means we may earn a commission if you subscribe, at no extra cost to you. They are marked where they appear. How this works

Kits

Curated sets of free tools that work together, each with a step-by-step guide.

Kit 01 · 6 tools Make a short film with $0 of softwareTranscribe, generate, upscale, and score, all with free tools.Open the kitKit 02 · 4 tools A private AI assistant that never leaves your computerChat, documents, and voice, with nothing sent to the cloud.Open the kitKit 03 · 7 tools Open alternatives to the creative apps you pay forFree stand-ins for image, video, and voice subscriptions.Open the kit