digiKam - Professional Photo Management with the Power of Open Source
Solo - Personal kanban boards hosted on your own server
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
Cash App - The easy way to send, spend, bank, and invest.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.