RPGFU

HPLHS Free Prop Documents

Official Seal Generator

Need a seal for that corporation or government entity in your game? Make one here.

squid.org - RPG Tool
Select a template from the drop down list, select the number of times you want to run the generator, and hit “Go” to create a random list of ideas, people and place names.

Another batch of small random generators.

Sleepy Dog Labs - Covert Public Messages
To the unaided eye, the mosaic of tinted film squares seems uniform and holds no particular meaning.

But when viewed though a polarized filer (or a pair of polarized sunglasses), the concealed message becomes clear.

Cute idea for passing hidden messages between PCs and NPCs.

OpenTTD is a clone of the Microprose game “Transport Tycoon Deluxe”, a popular game originally written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.
OpenTTD - News

One of the things I love about games like Civilization, SimCity, etc. is that you can create your own worlds fairly quickly and easily, and adapt them to table top games. This is a free version of Transport Tycoon Deluxe. Just design your world, pause the game, and use it for your RPG.

Seventh Sanctum

Contains many tiny little random generators, for all sorts of things that you’d need in your games.

HeroForge Character Generation Toolkit Download Page

This is a bunch of character sheets and generators created in Excel spreadsheets.

Ultimate Flash Face v0.42b

For making faces for your human PCs and NPCs, nothing beats Faces. However, that costs hundreds of dollars. This is a very good substitute using Flash. Use a program like Screen Hunter to save the picture.

Poster Forge 1.01.06 - Freeware Files.com - Graphics Category
Poster Forge is a software tool for making motivational, movie or old west “Wanted” posters without any efforts and totally for free!

If you use old west style posters in your games, this utility is for you. Otherwise, you can make funny de-motivational posters for amusement.

CleanSheets

Many people use spreadsheets as character sheets. Sometimes you don’t want to buy Excel (or install it on a limited system), and OpenOffice is sometimes just too darned slow and bloated for what you want to do. Here’s a lightweight fast spreadsheet that can be used for simple calculations and sharing characters.