There is also the BlitzMax IDE Community Edition which is improving on the original IDE. We're also looking for contributions, so you're welcome to add your own tweaks to iit, and as it's written in BlitzMax, it's cross-platform too.
http://www.blitzbasic.com/Community/posts.php?topic=55410
http://www.blitzbasic.com/Community/posts.php?topic=55410