1. Diesel cafe
    In davis square, open till 11 every night
  2. 1369 coffee house
    Two locations in Cambridge, good selections, open till 10
  3. Mr.crepe
    Also in Davis square, not quite a cafe, but has just as wide selection of coffee, and most importantly, open till 11
  4. Bourbon coffee
    Open till 9, porter
  5. Simons cafe
    Outer Harvard, open till 9
  6. Algiers coffee
    Unique selection, open till 11:30, Harvard
  7. Please let me know of more places, especially in Cambridge and around there!