Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
DocSlide - DocSlide is an online document and knowledge sharing platform.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
SlideShare - Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Scribd - Unlimited books, audiobooks & comics. Unparalleled discovery. Any device. $8.99/month