Open-source visual workspace that gives Claude Code, Codex and other coding agents a GUI for editing, review and task tracking.
What it does
Nimbalyst is an open-source visual desktop workspace for building with coding agents such as Claude Code, Codex and OpenCode. It layers WYSIWYG editors for markdown, spreadsheets, mockups, diagrams and code on top of the agent, letting you review and approve AI changes as diffs, manage sessions and track tasks without switching apps. It runs on your existing subscription or API key.
Core features
Visual editors for markdown, CSV, mockups, diagrams and code
Works with Claude Code, Codex, OpenCode and Copilot agents
Diff-based review and approval of AI edits
Full-project context awareness
Session manager and integrated task tracking
Extension system and MCP server support
Best for
→Edit agent output visually instead of in a terminal
→Review and approve AI code changes
→Turn mockups into frontend code
→Manage multiple coding-agent sessions
Pricing
Individual
$0