C# (Computer program language) 16 Microsoft .NET Framework 12 BASIC (Computer program language) 10 Development 9 Microsoft .NET 8 Computer software 7 Microsoft Visual BASIC 6 Programming languages (Electronic computers) 6 Internet programming 5 Application software 4 Ajax (Web site development technology) 2 Client/server computing 2 Component software 2 Directory services (Computer network technology) 2 Enterprise application integration (Computer systems) 2 Mobile communication systems 2 Query languages (Computer science) 2 Relational databases 2 Web servers 2 Web services 2 Mobile computing 1 Portable computers 1 Visual programming (Computer science) 1