Nimbalyst

Nimbalyst is a free, open-source, local visual workspace for building with Claude Code, Codex, and other coding agents. It combines WYSIWYG editors for markdown, mockups, Mermaid, Excalidraw, CSV, data models, and code with parallel session management, task tracking, and git tooling. Features include visual editors where humans and coding agents collaborate on the same files, a kanban-style session manager that links files to sessions, task and bug tracking, AI-assisted commits, worktrees, an embedded terminal, a mobile companion app, and a pluggable extension system for custom editors.