Greenleaf CommLib: Industry standard library for C includes port, terminal, and file transfer capabilities and supports a wide variety of target systems.

Greenleaf CommX: Dual-mode ActiveX components include port, terminal, and file transfer capabilities for almost any ActiveX capable development system for Win32 platforms.

Greenleaf Comm++ Robust, full-featured class library for serial communications includes port, terminal emulations, file transfers, screen drivers, and many extras!