We use JIRA + Confluence. We are a huge installation. Both work well, JIRA breaks much more often than Confluence, but then again we are adding a ton of records

We use JIRA + Confluence. We are a huge installation. Both work well, JIRA breaks much more often than Confluence, but then again we are adding a ton of records every single day. To be fair, JIRA breaks because some third party programs are really careless about how they call the API (ask for way too many records, and that sort of thing), if we shut off API access (and only allow JIRA access on the web interface), then all is well. Confluence is very stable. We have a ton of content in it, and without it we are completely dead in the water. It works well. Yeah the tags are a bit ambiguous, but I have never seen the tags get in the way. Downtime would get in the way much more.