GnuPG - GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).
CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.
Kleopatra - Kleopatra is a certificate manager and GUI for GnuPG.
Amazon CloudFront - Amazon CloudFront is a content delivery web service.
PGP Tool - PGPTool allows you to encrypt and decrypt files. It's free and easy to use.
KeyCDN - KeyCDN is a high-performance Content Delivery Network (CDN). Lowest price globally at $0.04/GB with HTTP/2 Support and free Origin Shield.