UpEffect - Crowdfunding for social good products
Startup Stash - A curated directory of 400 resources & tools for startups
Creddon - Tweet for a cause and a sponsor will donate $1 to charity
Content Marketing Stack - A curated directory of content marketing resources
Public Design Vault - 500+ design tools for public good, all in one place
StartupResources.io - Tightly curated lists of the best startup tools