HandUp Gift Cards - Give directly to a homeless neighbor on the street
GiveWell - GiveWell is a nonprofit dedicated to finding outstanding giving opportunities and publishing the full details of our analysis to help donors decide where to give.
Catchafire - Use your professional skills to help charities
Charity Navigator - Charity assessment application.
TAP London - Tackling the homeless problem together
Habitica - Habitica is a free habit building and productivity application.