TinyWall - Lightweight and non-intrusive firewall
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 …
GlassWire - Visualize network activity in detail, get notified when new apps access the network, look out for...
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.