Multiple WordPress Install Management
InfiniteWP
I have been using a standalone installation of InfiniteWP for a few years now to manage my many WordPress installations. It consolidates all of the management interfaces as well as provides backup and deployment solutions for new WordPress instances.
One Master Login
Add unlimited WordPress sites to InfiniteWP and get an eagle’s eye view from a central admin panel.
One Click Update
The Update All feature makes it easy to update everything across multiple WordPress sites in just a click.
Backup & Restore
With InfiniteWP backup and restore, you get an easy-to-use reliable WordPress backup solution for free.
Plugins & Themes
InfiniteWP makes it easy to manage your plugins and themes across multiple WordPress sites for free.
Self-Hosted & Secure
Being a self-hosted platform, you are in control of security and you don’t have to trust anyone with your data.
Free for Life
A set of very useful core features, including backing up, updating etc., are free for life with promised updates.