https://github.com/tackk/cartographer
Cons:
- does not support extensions
https://github.com/ThePixelDeveloper/Sitemap-v2
Cons:
- bad domain language
- vague formatting
- does not support extensions
https://github.com/prestaconcept/PrestaSitemapBundle
Pros:
- does almost everything we want
Cons:
- symfony dependent
- not very efficient IMO (stores XML string internally....to speed up generation?)
https://github.com/samdark/sitemap
Simple and decent API, but not too powerful
https://github.com/evert/sitemap-php
Same as above
https://github.com/elcodi/Sitemap
Cons:
- Haven't understood it under 10 minutes
https://github.com/K-Phoen/SitemapGenerator
The most advanced and decent API I've found so far
Creator of Thepixeldeveloper\Sitemap here!
I found this via Google and wanted to address some comments:
Repository is now located here: https://github.com/ThePixelDeveloper/Sitemap