Mockupea - Mockupea is an online tool for creating 3d book mockups with a lot of features.
Papermine - Create stunning digital booklets.
Stackoverflow '90s - Bring back '90s to Stackoverflow with this extension
AutoLink AI - Cut SEO grunt work in half. Autolink.ai's AI assistant analyzes content and suggests optimized, relevant links so you can boost site architecture and search traffic without the manual effort. The future of contextual internal linking.
Box Shadow Generator - Generating CSS3 multilayer box-shadow has never been easier.
Pressbooks - Create books: print and ebooks