Best Open Source Alternatives to Windsurf

Aider is a free open-source CLI for AI pair programming in your terminal. Edits code across files, commits to git, and works with any LLM via API.

vs Windsurf: a free, open-source option you fully control, licensed Apache-2.0.

Kilo is an open-source coding agent replacing Cursor with native VS Code, JetBrains, and CLI support across 500+ models with zero token markup.

vs Windsurf: a free, open-source option you fully control, licensed MIT.

CodeEdit is a lightweight, open-source macOS code editor built in Swift, offering a native alternative to Electron-based editors without monthly fees.

vs Windsurf: a free, open-source option you fully control, licensed MIT.

Plandex is an open-source terminal coding agent that stages multi-file changes in an isolated sandbox with tree-sitter indexing and multi-model support.

vs Windsurf: a free, open-source option you fully control, licensed MIT.

PearAI is an open-source code editor alternative to Cursor, combining VS Code workflows with local model support and bring-your-own-key pricing.

vs Windsurf: a free, open-source option you fully control.