AutoMe is a reliable and user-friendly windows automation software and macro recorder with task scheduler, color checker. AutoMe is very easy to use, you can record robot, and run it as many time as needed. No programing needed.
OfficeSIP Alerter is a simple, easy-to-use and freeinstantsip messenger. It was not designed for prolonged chat, it is handy when you need to send single message. It is good replacement for old-fashioned Alerter Service.
EZTalks is a powerful but easy-to-use video conferencing software which enables you to communicate with anyone, anywhere, anytime and it is suitable for online education, online training, online meeting, online webinar, online presentation etc.
Mac OSX client for Lync 2013, Lync 2010, Skype for Business, 365. Voice calls, conference calls, meetings, chat, group chat, persistent chat rooms. More reliable than standard Lync for Mac 2011. Tested on Mavericks, Yosemite, El Capitan.