GitHub repository: versat/cntlm
Primary language: C
Description: Cntlm is an NTLM / NTLM Session Response / NTLMv2 authenticating HTTP proxy intended to help you break free from the chains of Microsoft proprietary world. More info on http://cntlm.sourceforge.net/ website. This version also supports: SSPI (on Windows, NTLM authentication only), Kerberos authentication, IPv6, proxy PAC files.