The city of free, open AI tools My Stack
ForkopolisThe free store and magazine for open AI

Free Market / Coding

Coding4.3

Aider iconAider

The score measures project health and popularity. It is not a hands-on review. How it works

An AI pair programmer that works in your terminal and edits your code alongside you.

  • Some setup
  • Works on Windows, Mac, Linux

The openness label

Code
Open source, Apache-2.0
Models
Your choice, open or paid
Runs
Your computer or the cloud
Real cost
Free app, model fees vary

What you need to run it

About 4 GB of memory. No graphics card needed.

These are our estimates for comfortable use. Enter your computer's specs to see a verdict on every tool.

  • 50,070 stars on GitHub
  • Last updated 2026-05-22
  • Latest release v0.86.0

Quick answers

Is Aider free?

The Aider app is free and open source, released under the Apache-2.0 license. It costs nothing with free local models, and you pay only if you connect a paid AI service.

Does Aider run on my own computer?

Yes. Aider runs on your own computer, and it can also use cloud AI services if you prefer.

What do I need to run Aider?

About 4 GB of memory. No graphics card needed. It works on Windows, Mac, and Linux.

Is Aider still maintained?

Aider was last updated on 2026-05-22, so development has slowed, but the tool still works.

Checked by Forkopolis on November 11, 2026.

More in Coding

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
OpenHands screenshot
Coding4.7

OpenHands iconOpenHands

An autonomous software agent that writes code, runs it, and browses the web to finish tasks.

  • 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
Cline screenshot
Coding4.6

Cline iconCline

A coding agent inside VS Code that plans, edits files, and runs commands with your approval.

  • Easy install
  • Windows · Mac · Linux
Code
Open source, Apache-2.0
Models
Your choice, open or paid
Runs
Your computer or the cloud
Real cost
Free app, model fees vary
Get it