Bootstrap Themes - Official themes from Bootstrap's creators
Mango - The first simple online payment solution in Latin America
Ready UI - 200+ Bootstrap UI blocks to create beautiful websites
PayPal.Me - Request money using your own personalized URL.
Bootstrap Zero - Open-source, free Bootstrap templates collection.
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.