CarrierWave - Solution for file uploads for Rails, Sinatra and other Ruby web frameworks.

OpenSSL - OpenSSL is a free and open source software cryptography library that implements both the Secure Sockets Layer (SSL) and the Transport Layer Security (TLS) protocols, which are primarily used to provide secure communications between web browsers and …

tus.io - File Uploads

Ensighten - Ensighten provides enterprise tag management solutions that enable businesses manage their websites more effectively.

Uppy - The next open source file uploader for web browsers

Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).