Cline
An open-source AI coding agent that runs in VS Code and others, editing across multiple files.
A staple open-source development agent that lets you use major models with your own API key. Rated for its transparency and extensibility.
| Category | Development & Coding |
|---|---|
| Pricing | Free (OSS) / API costs for the model you connect are separate |
| Japanese support | β³ |
| Maker | Cline |
What it does: Executes edits across multiple files at once, with diff views, checkpoints, and one-click undo. Connects to Claude / GPT / Gemini or local models.
Who it's for: Engineers looking for an alternative to Cursor or Claude Code.
Strengths: Open source, and you choose the model yourself (bring-your-own-API-key approach).
Watch-outs: The UI is mostly in English. The API usage fees for the connected model are charged separately.
* Pricing and features change; check the official site for the latest, accurate details. β ratings and "our verdict" are the editorial team's subjective opinion.