Startup Stash - A curated directory of 400 resources & tools for startups
UpEffect - Crowdfunding for social good products
The Influencer Marketing Stack - Free resources to launch a killer campaign
Creddon - Tweet for a cause and a sponsor will donate $1 to charity
Makerbook - A directory of the best free resources for creatives
Public Design Vault - 500+ design tools for public good, all in one place