Roocode V3.3 (Roo Code 3.3) was a release of Roo Code, a free, open-source AI coding agent for VS Code that started as a fork of Cline. Its developers shut down the Roo Code extension, Cloud and Router on May 15, 2026 to focus on a cloud-based agent called Roomote, and pointed users to Cline. Roo Code's GitHub page also mentions ZooCode, a fork started by the Roo Code community.
Unlike inline code completion tools such as GitHub Copilot's suggestions, Roo Code worked as an autonomous development agent: it read and edited files across your project, ran terminal commands and worked through multi-step tasks, asking for your approval along the way unless you turned on auto-approve.
What Roo Code Added on Top of Cline
Cline (originally called Claude Dev) is an open-source VS Code agent that works with the model provider of your choice. Roo Code began as a fork called Roo Cline, renamed itself in version 3.2 when it introduced custom modes, and added code actions in version 3.3. Both extensions were free to install under the Apache 2.0 license: you paid your model provider for the tokens they used.
Core Capabilities That Set Roocode Apart
- Custom Modes: Code, Architect, Ask and Debug modes, plus modes you defined yourself, each with its own instructions and tool permissions
- Code Actions: Explain, fix or improve selected code from VS Code's lightbulb menu and problems tab
- Any Model Provider: OpenRouter, Anthropic, OpenAI, Google Gemini, AWS Bedrock, or local models through LM Studio or Ollama
- MCP Support: Connected external tools through the Model Context Protocol
What to use now: Cline keeps the same agent workflow and works with the same model providers, so it is the simplest switch. Whichever agent you pick, the extension is free but the API usage is not, so set a spending limit with your model provider.
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