Spellcheck used to be bundled with After the Deadline, before it became part of Jetpack. This plugin is a fork of that functionality to add it back to your WYSIWYG editor and can be customized for each user.
Create new branch of every post that you have and compare revisions, even between different authors. Then, you can merge together changes automatically. A good way to collaborate on and version control post editing.
Really hope you dig Tidy Repo, I have a blast putting it all together.
I've set up a few ways to get updates and see what's new in the Repo. Why not follow along? I promise, I won't annoy you too much and I'd really appreciate it.
Manage your posts using a calendar interface. Easily drag posts from one day to another, schedule your drafts and view all of your upcoming and past posts in a full page calendar layout.