Fresh on the heels of SQL Server 2014 being released to manufacturing, the SQL Server Data Tools (SSDT) team yesterday announced support for the new version, along with numerous other enhancements.

Check out the latest Visual Studio third-party add-ons, including one that helps you edit your database's data and properties during a debug session.

I've been using the Schema and Data Compare tools built into Visual Studio. They seem to work pretty nicely and will generate change scripts. Might be worth a look if you've already got Visual Studio.