Majority of the softwares can be used in any Office application packages (colors and alignments may vary) like Libre Office, WPS Office, MS Office etc. (download WPS Office)  (download Libre Office).

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Hyperlinks

Description
1 Age calculator
2 Investment calculator
3 Solar Panel Calculator
4 Phone no. and reminder software
5 Mobile number tracker for India
6 Password Locker
7 Homeo Clinic Patient Management Software