Pepin 

Afk.ZoneInfo is a .Net library which use the Iana timezone database. By default the library is linked with database files, to override it set the environment variable TZDIR with the new directory of database files.

HtmlHelper for DataTables.net

This C# library provides units management in different measure system (International System, CGS, Imperial system and US).

Syntax expression parser/evaluation. Manage null values.