Best CNTLM Alternatives ranked by AI · updated Oct 2026

CNTLM is an open-source local proxy that forwards traffic to NTLM or NTLMv2-authenticated upstream proxies. It is intended for corporate networks where applications cannot natively handle Windows proxy authentication.

Developer: CNTLM contributors Price: Free 🎯 cntlm.sourceforge.net

Top 6 CNTLM alternatives

6 Corporate Proxy Helper logo

Corporate Proxy Helper

Independent developers

Corporate Proxy Helper is a browser extension designed to help users access websites through authenticated corporate proxy servers. It focuses on simplifying...

Pros

  • Designed for authenticated corporate proxy environments
  • More focused than general-purpose proxy switchers
  • Convenient browser-level configuration

Cons

  • Limited to supported browser environments
  • Less feature-rich than full system-wide proxy clients
  • Requires compatible corporate proxy authentication

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