I tested OpenCode against Claude Code for real development work. Here's what surprised me about the open-source alternative — and what I don't miss.
Stop Using OpenCode
If you don’t know what OpenCode is, imagine a boot stamping on a human face forever. The boot is made of TypeScript and the face is everything we have learned about security and systems software since the invention of the electronic computer in the 1940s. The creators describe it as an AI coding agent. As far as I can tell it’s the most popular open-source coding agent, and it currently has 161k stars on GitHub.
Paseo – Run Claude Code, Codex, Copilot, OpenCode from anywhere
Open source app for Claude Code, Codex, OpenCode, Pi, and 30+ more coding agents. Run many agents in parallel on your machines. Editor, terminals, diffs, pull requests, and a browser in one window. One download on desktop. The full app on iOS and Android.
How I've been using Claude Code
I've been using Claude Code a lot recently, and having a pretty good time of it. This is my report on that, and what I've found does and doesn't work well.
How open source projects need to adapt to the AI coding era | We Love Open Source • All Things Open
A new Carnegie Mellon study shows AI coding tools boost velocity by 281% — then leave codebases harder to work with. Here's what open source communities need to do before the sugar rush wears off.
Building OpenCode with Dax Raad
Making your open source project newcomer-friendly
One reason I really like open source is that it offers a lot of great opportunities for newish programmers to get some hands-on experience with real world problems. There’s only so much one can learn …
Overview - Claude Code Docs
Claude Code is an agentic coding tool that reads your codebase, edits files, runs commands, and integrates with your development tools. Available in your terminal, IDE, desktop app, and browser.
Overview - Claude Code Docs
Claude Code is an agentic coding tool that reads your codebase, edits files, runs commands, and integrates with your development tools. Available in your terminal, IDE, desktop app, and browser.
Overview - Claude Code Docs
Claude Code is an agentic coding tool that reads your codebase, edits files, runs commands, and integrates with your development tools. Available in your terminal, IDE, desktop app, and browser.
Visual Studio Code - The open source AI code editor
Visual Studio Code redefines AI-powered coding with GitHub Copilot for building and debugging modern web and cloud applications. Visual Studio Code is free and available on your favorite platform - Linux, macOS, and Windows.
A big shout-out to open source
Yoast lives and breathes open source. Here Joost explains why and more. Find out who Joost's all-time open source hero is!
AI Coding Agents: Adoption Trends - The JetBrains Blog
How many developers use AI coding agents (Claude Code, Codex, Cursor, JetBrains Junie, and others)? Evidence from the Developer Ecosystem Survey 2026.
Diving into Claude Code's Source Code Leak
Engineer’s Codex is a publication about real-world software engineering.
