Spectra

Desktop app, CLI, and agent skills for spec-driven development, inspired by and built on OpenSpec.

Desktopfree

Spectra is a spec-driven development tool made up of a desktop app, a CLI, and skills for coding agents like Codex, Claude Code, Cursor, and Copilot. A coding agent uses the skills to propose changes, write specs, and carry out tasks, while the desktop app lets a developer browse specs, track progress, and archive completed work instead of managing directories of Markdown and YAML by hand. It began as a GUI frontend for OpenSpec before growing into its own workflow.

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