LINQPad - A scratchpad for C#, F# and VB code including Linq queries.
iversity - Iversity is a European online learning site with courses in many languages.
Linqer - Linqer is a SQL to LINQ converter tool.
Snippets - Snippets is a set of tools and services designed for collecting and organizing of code snippets, reusing then in different project and sharing with the team or publicly.
Dot Net Editor - An VB/C# text editor with the ability to run code and code snippets.
Blinkist - Key insights from 6,000+ bestselling books and podcasts