Trotto - Open-source internal URL shortener for teams, up in minutes
DonorSee - Give directly to specific needs, get raw videos showing exactly where your money went
Short.io - Short.io makes short links (vanity urls) on your own domain. Free signup, analytics and API. Chrome, slack, zapier and segment integrations.
Geenees - A fun and easy social gifting app.
Cutt.ly - Free custom URL Shortener and branded URLs with advanced links tracking and Link Management Platform & API.
GoFundMe - GoFundMe is a crowd-funding platform for fundraising one or multiple goals.