Alternatives to Specboard

An open-source Spec-Driven Development toolkit that makes specifications executable. Works with Claude Code, GitHub Copilot, Gemini CLI, and Codex to keep agents on task.

Terminal-based AI coding agent designed for large, multi-step tasks. Plans and executes across dozens of files with up to 2M tokens of context, MIT licensed.

Open-source VS Code/CLI/SDK coding agent. Enterprise custom. Not a Claude 3.5 Sonnet wrapper.