The official Mac SDK for the HockeyApp service. It contains a crash reporter that checks at startup whether your application crashed last time it was launched, then offers to send that information to the HockeyApp service. It supports Mac OS X >= 10.5, Intel architectures and also the Mac Sandbox.
Curl is a tool and libcurl is a library for transferring data with URL syntax, supporting FTP, FTPS, HTTP, HTTPS, GOPHER, TFTP, SCP, SFTP, TELNET, DICT, LDAP, LDAPS, FILE, IMAP, SMTP, POP3, RTSP and RTMP. libcurl offers a myriad of powerful features