> it was forced to embrace OSS these days

And they're still not really doing it.

Skype for Business on Linux? Not happening. Good luck trying to install Linux on Surface Books/Laptops and the like without lots of screwing around as well -- and it probably still won't properly work.

When it comes to collaboration tools used in business, especially the enterprise space, that is open source and used widely?

I personally think Skype* is amongst the worst tools in the particular space. (Which is my personal opinion). I find that for messaging, Telegram and Slack work incredibly well. For conferencing, Zoom has a much better experience.

Teams is a confused product where messaging similar to slack is a goal, but it is confused with poor search and a UX based more around posts than conversations.

> When it comes to collaboration tools used in business, especially the enterprise space, that is open source and used widely?

I'm having trouble parsing that, but am worried you may be suggesting parent's point - that Microsoft isn't releasing tools to run on GNU/Linux operating systems - is because not many enterprises run those OS's on the desktop?

Typo in there, the question is - name one widely used collaboration tool that is open sourced specifically in enterprise customers? I’d follow that up with, of the major enterprise collaboration tools, which have support for Linux natively? Teams and others work within Browesers.

Okay, so parent's point was that Microsoft isn't releasing binaries / non free versions of their products for GNU/Linux platforms.

Not that there's fewer free software options.

How does MS Teams work on Linux... I'm using osx and windows with UIs and Linux mostly without a UI, so not sure.

Also, the web version of Skype is relatively good now... not really excusing what MS has done, however may be better options.

Skype for Business is different than the normal Skype.

I'm well aware of that... I also know that the MS Teams client uses the same connection channels (you can answer calls on either skype for business or in teams, for example)... I was suggesting that MS Teams (electron app) might be a useful alternative.

Teams is still not up to snuff with the capabilities of Skype for Business. As of today I cannot handle incoming instant messages originating from another Office 365 Skype user in Teams, and presence information has only been syncing between the two since the Ignite event last month. It feels like the implementation must be similar to what was done with the newer Mac Skype for Business client, because there are many of the same limitations and bugs.

The story has been for about 18 months that Teams is going to eat all the things, but the execution is slow coming.

To be fair that is not unique to surface books depending on which distro you are referring to