For inhouse developed software in .Net it would be fantastic if they could log to MSMQ and have Logstash parse those messages. Google is turning up blank in getting Logstash to read from MSMQ and that is kind of expected, but I'm hoping there is some easy way, even including adding a layer between MSMQ and Logstash.
I haven't seen anything, but it sounds like an awesome idea for a new input (hint hint) 