Small HTTP client with GUI writen in Java. Can send hand-written requests and display responses (like netcat) and help to generate requests. Requests are generated as
METHOD + URL.Path + HTTP/1.1
headers (Host and Content-length added automatically)
body (if method is POST or PUT)
You can download Jar from Maven Central
If you do not have any Java software, download and install JRE (http://java.com/download) to run compiled program and add directory with 'java' program (jre/bin) to your system variable PATH or write full path to 'java' in bat|sh file of this software.