For the 200th anniversary of the Waterloo campaign, Wargames, Soldiers and Strategy offers a free downloadable bundle of articles from their magazine.
napoleonics
French Uniform Guide 1690 – 1900
Les Uniformes de l’Armee Francaise contains a series of marvelous images that will work very well as a painting guide.
Napoleonic Squares Rules
Napoleonic Squares is a set of free wargames rules for the Napoleonic Era from Steve’s Painting Shed.
Fast Play Napoleonic Rules
These Fast Play Napoleonic Rules are described by the author as DBA-esque via Fire and Fury.
Napoleonic Fury
Napoleonic Fury is a Napoleonic adaptation of the classic Fire and Fury rules.