Postmortem Templates is a curated collection of reusable incident report formats for site reliability and operations teams. Its templates are derived from established sources including Google's Site Reliability Engineering material, Azure reports, Elastic Cloud incidents, and reliability engineering books. Each format provides a structured starting point for documenting outages, impact, timelines, causes, and follow-up work. The repository also links to real incident reports that demonstrate how postmortems are written in practice. Vim and Emacs users can configure templates to load automatically when creating appropriately named postmortem files. ...