Inkscape is a professional vector graphics editor for Linux, Windows and macOS. It's free and open source.
Eigengrau's Essential Establishment Generator is a tabletop procedural generation tool for towns, NPCs and much more.
TaleSpire is an online, digital, graphical way of playing classic P&P Role-playing games with your friends. As a DM, build your campaign in-game and invite your players for sessions. To your left you can watch one of our streams to see for yourself.
TOS+ is a very powerful Character creation and maintenance workbook compatible with both 3.5 OGL & Pathfinder RPG rule systems. Easy to use, supports multi-classes, customizable and can be used Dynamically on a tablet (remote connection) or Laptop.