Dragonix D&D Books - The 2nd Edition PDF of Monster Manual Expanded will be released on Feb. 25, 12 AM ET. Coincidentally, that also marks its 3rd Year Release Anniversary! Not bad
Monster Hunter Monster Manual | GM Binder
5E D&D Monster Manual Expanded From DMs Guild
New Monster: Dire Imp — DND Unleashed: A Homebrew Expansion for 5th Edition Dungeons and Dragons
Tome of Beasts for 5th Edition - Kobold Press Store
Monster Manual | Roll20 Marketplace: Digital goods for online tabletop gaming