NTP Clock (Free)

  NTP Clock is a clock application for Windows Mobile which uses NTP or SNTP servers to compute the current time with a very high accuracy. NTP Clock runs on phones and tablets running Windows 10 Mobile.

Checksums (Free)

  Checksums is a handy shell extension for Windows which provides an easy way of calculating cryptographic checksums, also known as hashes, of a file. Checksums runs on desktop computers running Windows 7 or higher.