Tags (UNDER CONSTRUCTION) lists all the creature tags in the Forge System, along with common features among those with the same tags.
Passive and Active Abilities has an ongoing collection of passive and active abilities and descriptions. The Passive Ability section also includes a list of creatures with those abilities.
Translating between Systems (UNDER CONSTRUCTION) explains how some abilities or creature types translate from other systems (primarily Pathfinder or Dungeons and Dragons) when there is no equivalent in the Forge System.
Analysis (UNDER CONSTRUCTION) is a page that explains the process for Challenge Rating and includes a table with the average statistics by Challenge Rating and Proficiency Score.
Challenge Rating Calculator is a resource for Game Masters in building or translating creatures between systems.