The Appendices & Extras section of the Compendium is a collection of helpful, categorized resources and
Character Sheets & Templates
DnD 5e Character Sheet (Form Fillable) - Taken directly from the 5e Player's Handbook. Provided by Wizards of the Coast.
The Call of Cthulhu 1920s Character Sheet (Form Fillable) - Provided by Chaosium.
Delta Green Agent Sheet (Form Fillable) - Provided by Arc Dream Publishing
Player Handouts
References & Sources
Official Links
DnD Beyond - The official Wizards of the Coast hub for all things 5/5.5e.
3rd-Party Links
The Thieves Guild - An exceptional outside resource for DnD 5e materials and rules. Still under construction, but vast.
Tools & Generators
Fantasy Name Generator - When you just can't bring yourself to come up with another name for a character...
Inkarnate - Make detailed world, area, and battle maps for your TTRPG experiences!
Token Stamp - Create your own character tokens from any image!
Fantasy Calendar - Want to keep track of time in your game? Use this free website!
The Homebrewery - For when you want to make your homebrew look like official content...
Virtual Tabletops & Simulators
Roll20 - Perhaps the most well-known and established VTT available. Some adventures/campaigns will use this Web-based interface.