Editor extensions

Add an AI agent to the editor you already use. 5 tools, prices verified 28 Oct 2026.

Cline

Open-source autonomous coding agent available as an IDE extension, CLI or SDK. Free for individuals - you pay only for AI inference.

Editor extensionsFree & open sourceFree
ContinueNotice

Open-source coding agent.

Editor extensionsFree & open sourceFree
GitHub Copilot

GitHub's AI coding agent across IDEs, the CLI and github.com: completions, chat, agent mode, a cloud agent that opens pull requests, and code review.

Editor extensionsFree planfrom US$10/mo
Kilo CodeNotice

Open-source agentic engineering platform; free for individuals with AI inference billed separately (free/local models, BYOK, Kilo Gateway or Kilo Pass).

Editor extensionsFree planfrom US$15/user/mo
Roo Code

Open-source agents in your code editor, plus Roo Cloud automations that can be self-hosted.

Editor extensionsFree & open sourcefrom US$49/mo