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.

WingNotes - The most productive way to take study notes

Solo - Personal kanban boards hosted on your own server

conotes.io - Generate PDFs in Cornell format within your browser

Cash App - The easy way to send, spend, bank, and invest.

FlashTabs - Flashcards in your new tab screen