I sent some money (not much) in the past but I really do not know if they were used.
There is missing:
1) Bigger transparency - how it works, state of the projects, possibility of direct project financing, account balance
2) Perhaps different way of financing (Patreon?), 1-5 USD monthly based payment can be better for the majority of people. In the longer term it can be win situation with domino effect
3) Advertisement on main page and forum, don't use Google+ and such dead and terrible sites. Maybe I'm getting old but 3 crazy columns of posts are just ...