About.com: The Battle of Trafalgar
Article on this decisive naval battle, with profiles of key figures.
Admiral Lord Duncan
Biography of Adam Duncan, victor of Camperdown in 1797.
Battle of Cape St. Vincent
Site created to mark the 200th anniversary of the battle. Account of the action and details of the British commanders.
Battle of Trafalgar
Lengthy account of the campaign an battle, from a site dedicated to HMS Victory.
Bravé
Dedicated to the French navy and its allies during the period, this site promises a lot but delivers very little. There is a discussion forum and some links to follow, but otherwise very little content.
Broadside
Describes life in Royal Navy in the late eighteenth and early nineteenth century.
Fighting Sail Wargaming
A selection of naval, wargaming, and modeling links.
Historical Maritime Society
Royal Navy reenactment and research group. Includes historical articles about Nelson and the navy of 1793-1815, research resources, discussion forum, and news and information about society events.
List of Ships of War, which were lying in the Tagu
The Portuguese fleet, as observed by Lord St Vincent.
Naval History: Great Britain.
Collection of on-line documents written between 1801 and 1820.
Nelson and the Nile
Article describing the Battle of the Nile and the events that led up to it.
The Battle of the Saintes
Not strictly a Napoleonic battle, but one that set the style of naval warfare for Nelson and others to follow.
The Manoeuvrability of Warships in the Napoleonic
An ongoing investigation into the time taken by sailing warships to tack and to wear.
The Royal Navy during the Napoleonic Era
Describes the ships and men of the Royal Navy 1793-1815.
The Russian Navy in the Coalition Wars
Page that describes Russian naval activity during the period, part of an on-line history of the Russian navy.
The Trafalgar Roll
Part of a genealogy site, this page lists British ships and seamen (some 1,640 of them) who fought at Trafalgar. There's also lists of killed and wounded and brief descriptions of some other naval actions.
Victory at Trafalgar
Limited edition prints by Cornish artist Donald MacLeod. Details of how to buy and information about the battle.