Lotus Sametime vs Microsoft Lync

Lotus Sametime
IBM Sametime is a client–server application and middleware platform that provides real-time, unified communications and collaboration for enterprises. Those capabilities include presence information, enterprise instant messaging, web conferencing, community collaboration, and telephony capabilities and integration.
Microsoft Lync
Microsoft Lync (formerly Microsoft Office Communicator) and Microsoft Lync for Mac are instant messaging clients used with Microsoft Lync Server or Lync Online available with Microsoft Office 365. Basic features include instant messaging, Voice Over IP and Video Conferencing inside the client software.
Comparing Lotus Sametime vs Microsoft Lync is like comparing apples to oranges. Because your business is unique and nobody except you can decide, which is better for your company. But we can add some fun to your research and suggest some new comparison parameters.

Ok, now let's compare the UI. Looks like Microsoft Lync has more user-friendly interface than Lotus Sametime because it's bigger. At least on our screenshots

To compare the popularity of the solutions we counted how many alternatives people search for each of them on the Internet. And it turns out that Microsoft Lync is more popular than Lotus Sametime

Now let's look at the recent activities of our competitors:

- Microsoft connected Lync and Skype (in 2013)
- Lync 2010 becomes social (in 2010)
- IBM follows Microsoft with unified communications push (in 2007)
- Microsoft wants your office phone (in 2007)
- Microsoft Office finds its voice (in 2007)
- Microsoft's corporate IM goes mobile (in 2006)
- Microsoft, Siemens push to collaborate (in 2005)
- Lotus Notes 6.5 features Lotus Sametime integration (in 2003)
- Business IM added to BlackBerry mix (in 2003)
- Lotus ships enterprise messenger Lotus Sametime (in 1999)

Looks like Microsoft Lync was recently more active than Lotus Sametime (at least in our news). We also found some news, in which Lotus Sametime and Microsoft Lync meet head to head:

1999 - Lotus ships enterprise messenger Lotus Sametime - a new advantage over Microsoft Lync

Today, IBM unveiled Lotus Sametime, the solution designed for instant messaging and collaboration over the Internet. The solution is built on Ubique aquired by IBM and consists of Sametime Connect Client and Sametime Server. The Lotus Sametime functionality includes a online status monitoring, instant messaging and object sharing, which allows to simultaneously work with documents and applications over the Internet like in Microsoft NetMeeting. The server costs $ 5,000 and client license costs $20 per user. Lotus Sametime is available as a standalone product or as a component of Lotus Notes / Domino.