Calcbot for Apple Watch - Calculate, convert, and split tips from your wrist
Kickstarter - Kickstarter is the world's largest funding platform for creative projects. A home for film, music, art, theater, games, comics, design, photography, and more.
Tip Calculator - The ultimate tip calculator with split function
FreeFunder - Free crowdfunding platform with no platform fee and donates to your fundraiser based on shares!
Toothpick - Calculate your tip based on the server's gender
Give - A WordPress plugin for easily collecting donations