L-functions and Random Matrix Theory - Conjectures and open problems concerning L-functions, focussing on the areas in which there has been recent progress using results from Random Matrix Theory. Maintained at AIM.
Mathematician's Secret Room - Unsolved problems in Number Theory. English and Japanese text by Hisanori Mishima.
Number Theory Conjectures - A collection of easily stated conjectures which are still open. Each conjecture is stated along with a collection of references.
