Popular commercial platforms
- Amazon Kindle Store for global reach and visibility
- Apple Books app store distribution on iOS and macOS
- Google Play Books integrated with Android ecosystem
- Kobo Store serving international and regional markets
- Barnes & Noble Nook Store for US-centric audiences
Subscription and library services
- Kindle Unlimited offering flat-fee access to thousands of titles
- Scribd’s on-demand model with audiobooks and documents
- OverDrive/Libby partnerships with public and school libraries
- Hoopla Digital providing streaming access via library cards
- PressReader for magazine and e-book bundles
Direct author and publisher channels
- Author websites with built-in payment gateways or downloads
- Gumroad and Patreon for creator-led distribution and patronage
- Publisher portals offering direct sales and pre-orders
- Newsletter-based delivery of free chapters or full e-books
- Book fairs and virtual launch events with downloadable codes
Aggregators and marketplace services
- Smashwords distributing to multiple retailers and libraries
- Draft2Digital handling conversion and wide distribution
- PublishDrive automating uploads to global stores
- StreetLib and Lulu for print-on-demand plus e-book sales
- Blurb combining self-publishing tools with marketplace reach
Specialized and niche platforms
- Leanpub for iterative publishing and course-style content
- Project Gutenberg hosting public domain classics
- Feedbooks offering original works and public domain titles
- ManyBooks featuring curated free and discounted e-books
- Open Library acting as a universal online book catalog