F Websites
repl.it
Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 30+ programming languages: Clojure, Haskell, Kotlin (beta), QBasic, Forth,...
8,729 
$ 1,634,040.00
dotnetfiddle.net
Test your C# code online with .NET Fiddle code editor.
66,911 $ 200,880.00
codicefiscale.com
Calcola e Genera il Codice Fiscale o estrai i dati anagrafici da un dato Codice Fiscale.
131,019 $ 84,600.00
it-visions.de
Schulung, Beratung, Coaching & Support von den besten .NET-, Web-, Java- und Microsoft-Experten unter Leitung und Mitwirkung von Dr. Holger Schwichtenberg
591,686 $ 1,920.00