It's been a great experience working with the folks at Atlassian creating the Gliffy Plugin for Confluence. After working with this great bunch of folks, it's clear why they have been so incredibly successful: They really go the extra mile.
I've worked quite a bit with Jonathan Nolen, the Director of Developer Relations at Atlassian, and he's been instrumental in getting the plugin off the ground. Jonathan helped us solve a lot of the challenges we faced converting Gliffy into a Plugin, and even helped by making The Gliffy Plugin for Confluence page in the Confluence Extensions area a 1000% better. Thanks Jonathan!