Papa Olive made a French translation for Dark Side of the Sword Coast. His site also hosts tools to edit saved games for Baldur's Gate and Baldur's Gate II. It is also a secondary download site for Sword coast Keeper.
We are currently working together on The Darkest Day translation for French players. The site already hosts a file allowing you to play the original part of the game in French.
Gate Keeper, Dale Keeper, Shadow Keeper
Aaron O'Neil website, home of saved game editors for Baldur's Gate, Baldur's Gate II, Icewind Dale and Icewind Dale II. He made Sword Coast Keeper possible by allowing to use his very nice work.
Kevin Dorner's site with fixes and tweaks for Baldur's Gate and Baldur's Gate II and their official expansions, Tales of the Sword Coast and Throne of Bhaal. A mandatory addition to your game in order to fix bugs.