Bookmark OS - Bookmark OS is like Mac or Windows optimized for bookmarks.

Solo - Personal kanban boards hosted on your own server

Annotate.tv - Optimize your learning on YouTube

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

BookmarkSheet - Your bookmarks in Google Sheets

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.