Yad - Yad (yet another dialog) is a fork of Zenity with many improvements, such as custom buttons...
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Glade - Glade is a RAD tool to enable quick & easy development of user interfaces for the GTK+ toolkit...
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
wxFormBuilder - wxWidgets is an excellent framework that enables the creation of multi-platform applications with...
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs