Best 11 Open Source Kiro Alternatives in 2025
Kiro AI is an agentic Integrated Development Environment built to deliver structured, production-ready software development through spec-driven methodology. Think of it as a combination of traditional IDEs and AI planning tools, but much smarter. It uses advanced language models and incorporates intelligent agents that can analyze, plan, and implement complex software features autonomously.

Forgecode

Forgecode
Forgecode is a lightweight AI pair programmer that lives in your terminal. Unlike heavy coding tools that require special setup, Forgecode works where you already code. You simply type commands or questions, and it helps you write, debug, review, and understand code.

Kilocode

Kilocode
Kilocode is a tool that brings AI assistance directly into your code editor. You can ask it to write code, fix problems, or explain things in plain language. It works as an extension for VS Code and other similar editors like Cursor and JetBrains.

Zed

Zed
Zed is a high-performance, multiplayer code editor designed from the ground up for speed and collaboration. Created by the team behind Atom, Electron, and Tree-sitter, Zed represents over 15 years of experience building developer tools.

PearAI

PearAI
PearAI is an AI-powered code editor designed to make programming easier and faster. It is based on Visual Studio Code, so if you have used that editor before, PearAI will feel familiar. The main difference is that PearAI includes AI tools that understand your code and help you write better programs.

Roo Code

Roo Code
Roo Code is a smart coding helper that lives inside VS Code. Think of it as having multiple AI assistants working together on your code. One assistant can plan the structure of your app, another can write the actual code, and another can find and fix problems.

Tabby

Tabby
Tabby is an AI tool that helps you write code by giving smart suggestions in real time. You can install it on your own computer or server, and it connects to your favorite code editor. As you type code, Tabby predicts what you might write next and offers helpful suggestions.

Void

Void
Void is an AI-powered code editor that helps you write better code. You can type questions, and it gives you answers with code suggestions. Unlike other editors, Void does not store your code on someone else's server. Everything stays under your control.

Cline

Cline
Cline is an AI coding agent that lives inside popular code editors like VS Code and JetBrains. It can read your project files, understand your codebase, write and edit code, run terminal commands, and even test web applications in a browser. All of this happens with your permission at every step.

Aider

Aider
Aider is a tool that lets you have conversations with AI about your code, right from your command line. You can ask it to add features, fix bugs, write tests, or improve your code structure. Unlike other AI tools, Aider edits your files directly and commits changes to Git for you.

Continue

Continue
Continue is an open-source AI-powered coding assistant designed to enhance developer productivity directly within popular IDEs like VS Code and JetBrains. Think of it as your personal AI coding partner that understands your codebase and helps you write better code faster.
