Piano - Piano lets you quickly learn the piano or other musical instruments using cell phones and tablets, and also contains magic tiles and different mini-games.
Shoppy - Automatically get order notifications & summaries in Slack
Guitar - Git GUI Client. Open Source, Free Software (GPL v2). Run on Windows, macOS and Linux.
AutoBuy - AutoBuy is an all-in-one payment processing and e-commerce solution.
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.
Sell.app - Sell.app is the easiest way to sell digital products online. Spin up your own storefront in just a few minutes and start selling instantly.