Give some flavor to your Zulu war games with a campaign. You can get the Assegai rules, and map for free.
Ringmaster Lord of the Rings Board and Card Game
Ringmaster is a free Lord of the Rings board and card game. The author writes that his intent was to create a LOTR game similar to Risk, with playing mechanisms like Diplomacy.
Age of Exploration RPG
Age of Exploration is a free fantasy RPG. The author writes:
Age of Exploration is an tabletop adventure RPG with fast character creation, streamlined mechanics, and modern rules. Character sheets are replaced by cards, and the quickstart rules are just 2 pages, making it a great gateway game to share role playing with friends and family.
Alterra is the base setting for Age of Exploration, a bright and flourishing world, where magic, technology, and culture are entering a global Renaissance. Unique races formerly separated across oceans and wild, uncharted continents are coming together to trade in exotic goods, arcane artifacts, and incredible new inventions.
Guide To the Zulu Army of 1879
The Wargames Factory — makers of hard plastic historical figures — offers a free 22 page article on the Zulu Army of 1879. Not coincidentally, Zulus are the current product on their list.
Full Thrust Cross Dimensions
Full Thrust Cross Dimensions is a Full Thrust rules variant. It brings together rules from the various books and tries out some new ideas.