My OpenBSD ports.

devel

• devel/acme ACME crossassembler for multiple environments
• devel/asl AS is a portable macro cross assembler
• devel/asm85 Intel 8085 Assembler with expressions and directives
• devel/bear Tool that generates a compilation database for clang tooling
• devel/cc65 cross development package for 6502 systems
• devel/dasm c64 cross assembler
• devel/dreamass dreamass is a cross assembler for 6510 and compatible
• devel/gpsim PIC microcontroller emulator
• devel/hp48cc C-like compiler for HP 48
• devel/hptools HP Tools for HP48/49/50 calculators
• devel/icestorm icestorm tools for Lattice iCE40 FPGA
• devel/libnxt Low level tools for Lego Mindstorms NXT
• devel/mxass cross assembler that targets Commodore 64-like platforms
• devel/my1asm85 Cross Assembler for Intel 8085 Microprocessor
• devel/nxt-python Python library to control NXT
• devel/ophis cross-assembler for the 65xx series
• devel/oscar64 Optimizing C Compiler Assembler and Runtime for C64
• devel/pk2cmd PICkit 2 Command Line Interface
• devel/plantuml plantuml UML diagram generator
• net/iwhois Intelligent WHOIS client
• ti-msp430gcc TI' open source compiler for MSP430

editors

• editors/vbindiff visual binary diff

emulators

• emulators/ctools programs for accessing C64 and C128 CP/M disk images

lang

• lang/nbc C-like compiler for Lego Mindstorms NXT

misc

• misc/s725 Communicate with Polar S725X heart rate monitor
• misc/GoldenCheetah Cycling performance software

sysutils

• sysutils/cpmtools Access CP/M file systems similar to mtools

textproc

• textproc/linuxdoc LinuxDoc SGML DTD
• textproc/linuxdoc-tools LinuxDoc tools