HttpWatch : An HTTP Viewer and HTTP Sniffer for IE and Firefox
Wireshark : Wireshark is the world's foremost network protocol analyzer. It lets you see what's happening on your network at a microscopic level. It is the de fac...
Webhook Tester : Webhook Tester allows you to easily test webhooks and other types of HTTP requests.
httpbin : Testing an HTTP Library can become difficult sometimes. PostBin.org is fantastic for testing POST requests, but not much else. This exists to cover al...
Wapiti : Wapiti allows you to audit the security of your web applications.
It performs "black-box" scans, i.e. it does not study the source code of the applica...