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

ngrok - ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.

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.

Gotty - GoTTY is a simple command line tool that turns your CLI tools into web applications.

Solo - Personal kanban boards hosted on your own server

tmate - Tmate is a instant terminal sharing based on ssh.