Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.
Postman - The Collaboration Platform for API Development
OpenVAS - The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.