What are some alternatives?
When comparing Crowd Supply and mintMe, you can also consider the following products
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.
SelfStarter - Roll your own crowdfunding
Charitable - A WordPress donation plugin that gives you full control over your fundraising experience.
Donor Tools - Donor Tools is online giving and donation management software for non-profits, NGOs, and churches. Start accepting online donations and track them in Donor Tools.
Patreon - Patreon enables fans to give ongoing support to their favorite creators.
GoFundMe - GoFundMe is a crowd-funding platform for fundraising one or multiple goals.