Apps like Concurrency in C#

Here are some great alternatives to Concurrency in C# by Daniel Kreppel :
Programming languages
Programming languages
★4.3
Learn C#.NET
Learn C#.NET
★3.5
Learn C PRO - ApkZube
Learn C PRO - ApkZube
★4.6
Learn .Net Framework
Learn .Net Framework
★3.5
Operating System - CompEduBox
Operating System - CompEduBox
★5.0
Operating System - All In One
Operating System - All In One
★4.1
Learn C# Programming
Learn C# Programming
★3.2
Learn C#
Learn C#
★4.0
VB.NET Programming Compiler
VB.NET Programming Compiler
★4.3
Java Programming
Java Programming
★4.8
Parallel: Your Hangout Place
Parallel: Your Hangout Place
★4.3
Computer Course Basic Advanced
Computer Course Basic Advanced
★4.3
Learn C#
Learn C#
★4.2
Learn To Code Anywhere [PRO]
Learn To Code Anywhere [PRO]
★4.3
Learn C# - OnePercent
Learn C# - OnePercent
★4.2
C# Pattern Programs
C# Pattern Programs
★4.8