LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
AkrutoSync - Sync your Outlook contacts, calendar, tasks and notes on your PC direct with your phone via Wi-Fi or a cellular network.Buy · FAQ · Contact Us · SupportPeople also askWhat is Akrutosync?
My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
Outlook Google Calendar Sync - Offers calendar synchronisation between Outlook and Google, including attendees and reminders.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
DAVx5 - DAVx5 is a CalDAV/CardDAV management and sync app for Android.