📄️ Appendix A: Spec Templates
This appendix provides complete, copy-pasteable templates for Spec-Driven Development. Each template is a ready-to-use Markdown document with [BRACKETS] placeholders indicating what to fill in. Use these as starting points for your specifications, plans, and governance documents.
📄️ Appendix B: Recommended Tool Stack
This appendix provides a comprehensive reference for tools that support Spec-Driven Development. Each layer includes tools with descriptions, when to use them in SDD, and one-line getting started commands.
📄️ Appendix C: 2026 Updates for SDD
This appendix captures high-impact updates that keep an SDD implementation current in 2026.