A Chrome webapp to download (scrape) any collection of bookmarks from Delicious (not just your own) before it's too late!
A tool to find jogging routes of any length from a given starting point, with Google Maps walking directions.
HN HideIt: utilities to browse Hacker News; NoTease: hide links to paying articles from the French daily "Libération"; KelEstIl: export your phone numbers in csv from SFR's online billing system.
The complete edition of the Memoirs of the Duc de Saint-Simon (in French), in full searchable text.
Archives of the French Ministry of Defence for the XVIII-XIXth centuries.
The Littré dictionnary online, in full-text; includes the possibility to search for stemmed forms.