For Fun™ (since 2003ish):
PHP, HTML5, CSS, JavaScript
BlitzBasic (alot), C++ (some), Java (some), C# (few), Visual Basic (few)
Python2/3 (started Jan16)
For Work (since 2012):
ABAP Development, UI5 (SAP JavaScript Libraries)
SAP Knowledge (1 some - 5 expert) in Modules WM (4) SD (3), BC (3), MM (3), PP (2), FI/CO(1)
Projects: UI5 "PWR" 30d, UI5 "MP" 6m, ABAP W&B Imp 1y, several Websites
Coding in general:
OOP Patterns (Singleton, Factory, MVC, Template, Adapters)
Learned good coding style the hard way, by creating huge amounts of bad code and later trying to reuse / change it
Other Skills:
AutoHotkey for Windows Key & Mouse scripts
Git repositories
Webserver admin, VPNs, SSH (not yet), Browser Debugging
Modding PC Games