libulfius2.6 2.6.9-1ubuntu1 (amd64 binary) in ubuntu hirsute

 Based on GNU Libmicrohttpd for the backend web server, Jansson for the
 json manipulation library, and Libcurl for the http/smtp client API.
 .
 Used to facilitate creation of web applications in C programs with a
 small memory footprint, as in embedded systems applications.
 .
 One can create webservices in HTTP or HTTPS mode, stream data, or
 implement server websockets.