I've yet to find an 'app' in a chat program that was of any use whatsoever. Why would I want to check in code from my 'basically just expensive IRC' chat client? What use a bot that spews warmed over motd cliches?
Microsoft has released its Azure Repos app for Teams in a bid to entice developers to its collaboration platform a day after competitor Slack upgraded its app developer toolkit. The Azure Repos app will drop helpful (or annoying) notifications in Teams channels when repos get fiddled with – for example, code being pushed or …
Thursday 24th October 2019 12:53 GMT Anonymous Coward
Examples of some useful apps
send notification in chat window in real time when something happens
remind someone to do something later
update channel topic according to some schedule e.g. with current support person
show headline for a ticket when its number appears in a discussion
show a title/description/image for an URL mentioned in a discussion
offer to invite someone to a channel when they are mentioned in a discussion
Sure, none of this is a "killer app". Most are useful, though.