Compodoc is described as 'documentation tool for Angular applications. It generates a static documentation of your application' and is an app in the Development category. There are seven alternatives to Compodoc for a variety of platforms, including Self-Hosted solutions, Windows, Linux, Mac and Online / Web-based. The best alternative is Docma, which is both free and Open Source. Other great apps like Compodoc are TypeDoc (Free, Open Source), ESDoc (Free, Open Source), API Extractor (Free, Open Source) and ng-docx (Free, Open Source).
API Extractor helps you write better TypeScript libraries: It analyzes your exported type signatures and (1) produces an API documentation website, (2) generates a .d.ts "rollup" file, and (3) creates an API report to facilitate PR reviews.