Open Source Alternatives
Open source alternatives to Windsurf
Open source alternatives to Windsurf, ranked by GitHub stars and freshness.
10 open-source alternatives in the index, ranked by GitHub stars and freshness.
Aider
Paul Gauthier
Terminal-first AI pair programmer. Edits files in your repo, commits with sensible messages, runs your tests.
Alternative to Claude Code, Cursor, Github Copilot +2 more
Best for: Engineers who live in the terminal and want a tight, scriptable AI loop
Claude Code
Anthropic
Anthropic's terminal-native coding agent. Reads your repo, edits files, runs tests, ships PRs.
Alternative to Openai Codex, Aider, Cline +4 more
Best for: Senior engineers who want a real terminal agent, not just autocomplete
Cline
Cline
Open-source autonomous coding agent that lives inside VS Code. BYO model key, watch it work.
Alternative to Continue, Aider, Claude Code +3 more
Best for: Engineers who want Cursor-class agent power without leaving stock VS Code
Codeium
Codeium
Free AI autocomplete and chat across 40+ IDEs. The volume player in AI coding assistants, now sibling to Windsurf.
Alternative to Windsurf, Github Copilot, Cursor
Best for: Individual devs who want free autocomplete, and enterprises needing self-hosted
Continue
Continue.dev
Open-source AI code assistant for VS Code and JetBrains. Customisable, BYO model, built for enterprise.
Alternative to Github Copilot, Cursor, Cline +3 more
Best for: Teams that need control over models, prompts, and data residency
Cursor
Anysphere
The AI-first code editor. Tab to autocomplete, Composer to multi-file refactor, Agents for the long-running stuff.
Alternative to Github Copilot, Codeium, Windsurf +2 more
Best for: Teams who want IDE polish and agent power in one tool
GitHub Copilot
GitHub / Microsoft
The original AI pair programmer, now with Agent Mode, Workspaces, and multi-model selection.
Alternative to Cursor, Codeium, Windsurf +2 more
Best for: Large orgs already on GitHub Enterprise
OpenAI Codex (CLI + cloud agent)
OpenAI
OpenAI's coding agent surface: terminal CLI for local work, cloud agent for parallel autonomous tasks.
Alternative to Claude Code, Aider, Cursor +2 more
Best for: Teams on the OpenAI Enterprise side of the fence
OpenHands
All Hands AI
Open-source autonomous coding agent platform. Spins up a sandboxed dev environment, ships PRs end to end.
Alternative to Aider, Claude Code, Cursor +3 more
Best for: Teams who want a real autonomous coding agent and can run their own infra
v0 by Vercel
Vercel
Generative UI inside Next.js. Describe an interface, get production-quality React + Tailwind + shadcn components.
Alternative to Cursor, Github Copilot, Windsurf +1 more
Best for: Next.js / shadcn shops who want generative UI built into their stack