I uploaded some screen shots showing the available services/integrations:
http://imgur.com/a/NR7Af
Dev B: "What about Skype? It's one of our products."
Dev A: "I don't care, I only use Slack. Screw our users, right?"
Dev B: "What about Skype for Business? People actually pay for that."
Dev A: "Nah, Wunderlist is much more important. Much."
I bet these guys just let it drop in order to get their product released.
Skype For Business / Lync is a total nightmare of enterprisey permission models, yeah.
Also, it is possible to register your own REST APIs and share them with others in your organization.
Within Microsoft, we have a lot of internal custom APIs registered to light up some interesting automations / flows. Details here: https://powerapps.microsoft.com/en-us/tutorials/register-cus...
Disclaimer: am a dev on the team
Dev B: "What about Skype? It's one of our products."
Dev A: "I don't care, I only use Slack. Screw our users, right?"
Dev B: "What about Skype for Business? People actually pay for that."
Dev A: "Nah, Wunderlist is much more important. Much."