Have savings and a mortgage with the same lender? Try MSE’s offset mortgage calculator to work out if an offset mortgage will be better in the long run for you.

Ovulation Calculator Your menstrual cycle can vary from month to month, and not everyone's is the same length. Use this calculator to see when you may be ovulating to find your most fertile days.

Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few third-party apps can help if you have an older Apple device or Windows PC.