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Cline
4/5
Open-source VS Code extension that gives AI models agentic capabilities to create files, run commands, and manage your codebase.
AI Extension
Free (open source), bring your own API key
Best for: Developers who want an open-source agentic coding assistant in VS Code
Last verified: February 20, 2026Visit website →
Full guide coming soon
We're currently testing and writing an in-depth review of Cline. Check back soon for our honest, firsthand assessment.
Pros
- +Free and open source
- +Works with multiple AI providers
- +Agentic capabilities (file editing, terminal)
- +Active community development
Cons
- −Requires your own API key (costs vary)
- −Setup is more involved than commercial tools
- −Quality depends on chosen AI model
- −Can be token-hungry on complex tasks