The TextMate Blogging Bundle can be used to post and edit blog posts on your Confluence server with the Confluence Blogging RPC Plugin.
TextMate Setup Blogs
The Blogging Bundle works with Confluence quite simply. All you need to do is use the "Setup Blogs" command to add an entry for each Confluence Space that you wish to post to. Take care when specifying the Confluence Blogging RPC URL; the username@ prefix is optional, but the #SPACEKEY suffix is not.
# List of Blogs
#
# Enter a blog name followed by the endpoint URL
#
# Blog Name URL
My Confluence Blog http://username@www.yourhost.com/rpc/xmlrpc#SPACEKEY