Yad - Yad (yet another dialog) is a fork of Zenity with many improvements, such as custom buttons...
AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.
Glade - Glade is a RAD tool to enable quick & easy development of user interfaces for the GTK+ toolkit...
Digital Waybill - Digital Waybill is an online delivery ordering courier software solution that provides features & functions to help manage online ordering, GPS tracking and more.
wxFormBuilder - wxWidgets is an excellent framework that enables the creation of multi-platform applications with...
OnTime 360 - Cloud-based courier software with online order entry, route optimization, and dynamic tracking. The complete delivery software solution.