001 Video Converter, convert any video to iPod, iPad, PSP, iPhone, Zune, Xbox360, The best video audio converters for MP4, Flv(Flash), Avi, Divx, Xvid, H.264, Mkv, Mpg (Mpeg-1,2), Wmv, Rm, Rmvb, Mov, Vob, 3GP, OGG, ASF, WMA, WAV, MP3, AC3, AAC, etc.
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.