Optimizely - A/B testing you'll actually use.
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.
invesp Pii Testing Engine - invesp Pii testing engine offers A/B testing solution for site optimization.
Charitable - A WordPress donation plugin that gives you full control over your fundraising experience.
Splitly - Splitly is an A/B testing tool for Amazon FBA sellers.
Give - A WordPress plugin for easily collecting donations