Tapas - Tapas – Comic, Novel and Stories is free to use digital comic application by Tapas Media that puts tens of thousands of comics and web novel on your mobile device.
Pressbooks - Create books: print and ebooks
MangaDojo - MangaDojo is a community for manga artists and readers from all around the globe!
Time Capsule - Transform your 2020 into a tiny, personalized book for free!
ComicFury - Comic Fury is a free, easy-to-use, advertisement free host for your webcomic(s). You can put up your own comics and get a website dedicated to them.
Meminto Stories - Meminto Stories makes it easy for anyone to become the author of their own book.