Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.