While many of us have become pampered by DND Beyond's rulebook integration, Beyond Tabletop brings us back to our basics. By removing the integrated rulebooks they allow for every feature to be homebrewed and managed how you and your DM desire. In my findings it is the best tool out there as far as capturing the feel of pen and paper while also giving the versatility and ease of access of the internet.
Roll20 - Roll20 is a suite of easy-to-use digital tools that expand pen-and-paper gameplay.
MyMiniFactory - MyMiniFactory is the world’s leading curated platform for 3D printable objects.
Astral Tabletop - Create, host, and manage your tabletop role-playing games — online or in person
Gambody - Top 3D print premium marketplace online for video gamers
Fantasy Grounds - Fantasy Grounds is a virtual tabletop to help facilitate play of tabletop-style role-playing games...
Cults - Cults is one of the most leading digital marketplaces for 3D printing and design created by expert teams for those who love miniatures.