HTTP Archive : The HTTP Archive tracks how the Web is built.
drest : Configurable HTTP/REST Client Library for Python
Hoppscotch : A free, online, open source API request builder
Requestdiff : Differentiate HTTP headers and content body of two GET URLs.
REDbot : REDbot is lint for HTTP resources; it tests protocol correctness, cacheability, content negotiation and more. REDbot checks HTTP resources to see how ...
