A practical OpenSpec tutorial for AI-native spec-driven development: install the CLI, initialize a project, create changes, validate specs, use AGENTS.md, and follow a brownfield workflow.
This article delves into the transformative methodology of Spec-Driven Development (SDD) and provides a deep dissection and strategic comparison of four trend-setting open-source projects—BMAD-METHOD, GitHub's spec-kit, OpenSpec, and PromptX.