Original working link for the OLD map database. Many maps will be missing textures due to not being packed with assets from other source games used in their creation. However there are many that have no issues as well. 
MulitX
http://files.ges-stats.com/maps/
I went poking around some maps from that database and found that ge_blockfort_torn (in the 2015 map pack), ge_desert/dessert_temple_a3, ge_pipes_a1, ge_void_a1, and nf_power_v4 seem to work fine without any noticeable missing textures or props. Almost perfect were ge_siberia_cc2 (Martini map pack), ge_stack_xmas, and ge_train_cy (2015 map pack) which have a missing texture or two.
Some other maps that are functional but need a bit more texture or prop repair include ge_carringtoninstituteA3, ge_chateauduclare_v01, ge_citadel_luch, ge_funhouse_v4, ge_garrison, ge_grid (Martini map pack), ge_lunar_cradle, and ge_nightclub.
Should there be a 5.0 map index up there?
