Agilon One - Agilon One is a Nonprofit CRM software solution that connects and gathers information on constituents.
Startup Stash - A curated directory of 400 resources & tools for startups
Donorhut - Donorhut offers cloud fundraising software for charities and non-profits of any size.
Freebie.Supply - Awesome free things for entrepreneurs & startups
Txt2Give - Txt2Give helps churches, non-profits, schools, alumni associations, and political campaigns receive donations with text messages.
StartupList - Curated list of resources to build your next startup