Windows

C++ w/ Qt, w/ MFC
Python w/ Tkinter & wx
Java w/ Swing, J++
VB6

macOS

C++ w/ Qt
Objective-C
Python w/ Tkinter & wx

Linux Desktop

C++ w/ Qt
Python w/ Tkinter & wx

Embedded

C++ w/ Qt
Java w/ Android

iOS

Objective-C
C++ w/ Qt

Android

Java w/ Android
C++ w/ Qt

Linux Server

Python w/ Twisted
Java RPC
PHP

Windows Server

ASP.NET w/ C#
Classic ASP w/ ADO
VB6 w/ActiveX DLLs

Client-Side Web

Java GWT
JavaScript
VBScript
HTML5
CSS3

Windows Console

C++ w/ STL
Python
Batch
VBScript

Linux Console

Bash
Python

PeopleSoft 7 & 8

PeopleCode
SQR

Installers

InstallShield 2013 MSI & w/ InstallScript
Qt Installer Framework
InstallScript for VC++ 6
NSIS

Databases

MySQL 4.0 - 5.7
MariaDB
SQL Server 2008 - 2012
Oracle 8.x
QODBC
dBase IV

IDEs

Qt Creator 2.8 - 4.3 /w Qt 5.1 - 5.11
Visual Studio 6, 2003 - 2012
Eclipse I - 2018
PyDev
X-Code 4.x - 8.x
Idle
PeopleTools 7.0 - 8.1
Cold Moon (Proprietary) 1.0 - 3.0

Source Control

Git
Tortoise Git
Source Tree
Git Gui
Git-Cola
GitKraken
Assembla
BitBucket / Jira
GitHub

Servers

Apache
Tomcat
Python (custom)
IIS 6.0 - 7.5
Webmin
Plesk

Platforms

Windows 10/8.1/8/7/Vista/XP/2008/2003/2000/NT/ME/9x/3x
macOS 10.7 - 10.14
Linux: Ubuntu, CentOS, Debian, Yocto
iOS 5.0 - 10.x
Android 2.0 - 6.x
DOS 5+

Miscellaneous

SQL
Ajax
JSON
XML
SOAP
REST
QBasic
Intel Assembly

Additional Exposure

BitBake
AOSP
VB.NET
JQuery
Perl
Apple Script
PowerShell
Source Safe
SVN
PostgreSQL
OpenSSL
Sage CRM/ERP
QuickBooks
GoldMine
Method CRM