Apache is a free and open-source cross-platform web server software.
Buy me a coffee is a service for online content creators that they may use to receive tips and donations to support their work.
Calendly is an app for scheduling appointments, meetings, and events.
CS Cart is a turnkey ecommerce shopping cart software solution.
Issuu is a digital discovery and publishing platform.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.