Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
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 …
Weer - A HTTP protocol debugger with Chrome DevTools frontend interface
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.