Migrating Theme & Plugin Files
We are building an addon that will enable you to migrate theme and plugin files. Be sure to sign up to our mailing list to hear about it.
We currently recommend using a combination of Composer and git to handle deployment of your themes and plugins. Check out our series of tutorials on how to set this up.
If you have SSH access to your server, you could set up a git-based deployment system allowing you to simply run “git push” to deploy. Other deployment options when you have SSH access include rsync and capistrano. If you only have FTP access, Dandelion is a great tool to use with git.
All the previously mentioned tools are free but require a bit of work to set up. If you’d prefer less work and a nice UI, you could try a paid deployment service like Buddy (this is what we use for our site), DeployBot, or Deploy.
You may also want to check out this great guide describing how WP Migrate DB Pro fits in with version control and deployment.