Cline
Free open-source coding agent extension for VS Code-family editors. It is an agent, not a full Windsurf-hosted IDE; model/API usage and any chosen tools may have separate costs.
Setup: editor extension + model provider
Free alternatives to Cursor
Compare editor extensions, coding environments, and agents for AI-assisted development. Check editor support and whether model access or usage is included for each option.
Available alternatives
Twinny
Open-source VS Code coding assistant for completion, chat, edits and reviews with local or hosted models; configure your own backend.
Setup: VS Code extension + model provider
Roo Code
Open-source coding-agent extension for VS Code with configurable modes and providers. It does not bundle model access or replace Windsurf's hosted IDE service one-for-one.
Setup: editor extension + model provider
Compare the options
Showing 3 of 11 published options on this page. Access and setup details come from each project's configured source.
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| Option | What it can help with | Free access | What you need | Important limitation | Last checked |
|---|---|---|---|---|---|
| Cline Source | Free open-source coding agent extension for VS Code-family editors. It is an agent, not a full Windsurf-hosted IDE; model/API usage and any chosen tools may have separate costs. | Check current terms in the source | editor extension + model provider | Check the source for current capabilities | |
| Twinny Source | Open-source VS Code coding assistant for completion, chat, edits and reviews with local or hosted models; configure your own backend. | Check current terms in the source | VS Code extension + model provider | Check the source for current capabilities | |
| Roo Code Source | Open-source coding-agent extension for VS Code with configurable modes and providers. It does not bundle model access or replace Windsurf's hosted IDE service one-for-one. | Check current terms in the source | editor extension + model provider | Check the source for current capabilities |