Nice Software Links

Screen recorder:
https://screencast-o-matic.com/screen_recorder
https://tinytake.com/


File compare and merging:
http://winmerge.org/

Screen shot tool:
https://app.prntscr.com/en/download.html

File recovery softwares:
https://www.easeus.com/datarecoverywizard/free-data-recovery-software.htm

Barcode/NFC Scanner Keyboard for android:
https://play.google.com/store/apps/details?id=com.tecit.android.barcodekbd.demo

Hacker's Keyboard:
https://play.google.com/store/apps/details?id=org.pocketworkstation.pckeyboard

Barcode & QR code Keyboard:
https://play.google.com/store/apps/details?id=com.nikosoft.nikokeyboard&hl=en_IN

mysql Debugger:
http://mydebugger.com/