Cygwin is a Unix-like environment and command-line interface for Microsoft Windows. Developed by Corinna Vinschen, Christopher Faylor
License: Open Source
Cygwin offers a comprehensive Unix-like environment on Windows, supporting a wide range of applications and tools with strong community backing, but can be complex to set up. TCC/LE, on the other hand, focuses on high performance and a user-friendly experience, making it suitable for scripting and command-line tasks but lacks some of the extensive features and customizability of Cygwin.