This is a subset of things I worked with in the last few years.
Compiler Languages
Interpreter Languages
Description Languages
Formal Specification
Small Microcontrollers
Atmel ATmega (Assembler, C)
Freescale HCS12 (Assembler, C)
Big Microcontrollers
FPGA
Analyzers
Tektronix K1103 - Protocol Analzer
HP 8691A - Spectrum Analyzer
Dozens of DSOs (Agilent, Hameg, Tektronix) I can't remember
Real Operating Systems
FreeBSD (4.0 - 8.0)
Debian/Ubuntu/Linux Mint, CentOS/Redhat/Fedora
Free-/MSDOS, Windows 3.11 - 7
Frameworks
IDEs/Toolchains
Altera Quartus
Atmel AVR Studio
Freescale CodeWarrior
Microsoft Visual Studio
Eclipse
Codeblocks
Model-driven Development
Traffic and C2X Simulation