1

oksh

Portable OpenBSD ksh, based on the Public Domain Korn Shell (pdksh).

C

305

2

pl0c

Self-hosting PL/0 to C compiler to teach basic compiler construction from a practical, hands-on perspective.

C

135

3

mg

OpenBSD Mg editor. Portable Public Domain Micro Emacs for *BSD, Cygwin, Linux, Mac OS X.

C

115

4

8088ify

The famous Intel 8080 CP/M 2.2 to Intel 8086/8088 MS-DOS assembly language translator.

C

86

5

oed

Portable OpenBSD ed(1) editor.

C

38

6

l80

CP/M and MS-DOS COM executable linker written in D.

D

38

7

cpaint

https://briancallahan.net/blog/20220220.html

C

30

8

sprite

ncurses-based sprite editor

C

27

9

a80

Intel 8080/Zilog Z80 assembler written in D.

D

27

10

snakeqr

Game of snake that fits in a QR code.

C

26

11

baseutils

Portable OpenBSD userland utilities

C

25

12

bf256

Brainfuck compiler under 256 bytes in size.

Assembly

25

13

O

Peephole optimizer for cproc and QBE

C

22

14

yacc

Portable OpenBSD Yacc.

C

21

15

echo

Learn how argc and argv are passed from environment to Unix program.

Assembly

18

16

m4

Portable OpenBSD m4.

C

17

17

make

Portable OpenBSD Make.

C

17

18

bf.ssa

Brainfuck compiler written in QBE IR.

Makefile

15

19

LiteBSD-Ports

The LiteBSD ports tree.

C

15

20

d80

Intel 8080/Zilog Z80 disassembler written in D.

D

15

21

planck

The world's worst text editor, if it can even be considered a text editor.

C

15

22

libpuffy

Library to ease porting userland OpenBSD code to Serenity

C

12

23

openbsd-ports-wip

Work-in-progress ports for OpenBSD

Makefile

12

24

shuf

ISC licensed reimplementation of GNU shuf.

C

12

25

i80

Intel 8080 emulator with built-in CP/M emulation

C

11

26

easyconfig

Configuration for the rest of us.

C

10

27

bfc

Compile Brainfuck to multi-platform assembly.

C

9

28

edx

Small Wordstar-like text editor for X11.

C

8

29

vce

Visual Code Editor

C

7

30

mgksh

OpenBSD ksh(1) and mg(1) in a single static binary!

C

7

31

qbe

Mirror of https://c9x.me/git/qbe.git

C

7

32

ar80

CP/M and MS-DOS library archiver utility written in D.

D

6

33

getexecname

Get the pathname of a running executable on OpenBSD.

C

6

34

cowgol-utilities

Quick utilities in Cowgol to try out the language.

Makefile

6

35

dqoi

Tiny X11 image viewer for QOI images.

C

6

36

ash

Port of NetBSD sh(1) to OpenBSD.

C

6

37

ocsh

Portable OpenBSD csh.

C

6

38

sysctlbyname

sysctlbyname(3) compat library for OpenBSD

C

6

39

coin

Command interpreter for Unix, for learning how shells issue commands.

C

5

40

libterminfo

Port of NetBSD libterminfo for other POSIX systems.

C

5

41

ogzip

Portable OpenBSD gzip utility

C

5

42

nbc

Portable NetBSD bc(1) calculator.

C

5

43

gmake-d

GNU Make with built-in D support.

C

5

44

otar

Portable OpenBSD tar and pax

C

5

45

eva

simple Wirthian programming language

D

4

46

cat

Learn simple reading and writing of Unix files.

Assembly

4

47

dotfiles

I guess this makes me cool. I've uploaded my dotfiles.

Shell

4

48

kodachrome

Screenshot utility written in D.

D

3

49

OpenRCS

Portable OpenBSD OpenRCS.

C

3

50

hex

Simple hex viewer

C

3

51

repology

Command line interface for Repology.org

D

3

52

tac

concatenate and print files in reverse

C

3

53

dmake

Illumos make ported to OpenBSD

C++

3

54

bin2hex

Convert binary files to Intel HEX format

C

2

55

libwordexp

Port of NetBSD wordexp(3) to OpenBSD.

C

2

56

libOpenBSD

ITWS 4370 Information Systems Security helper library.

C

2

57

cmb

OpenBSD port of FreeBSD combinatorics library/utility

C

2

58

c99

POSIX c99(1) utility for OpenBSD

Roff

2

59

sndio

D bindings for sndio.

D

1

60

misc

Miscellaneous bits of work.

1

61

icb

Small ICB Client

C

1

62

scores

C

1

63

ports

A place to hold miscellaneous OpenBSD ports distfiles.

1

64

stdcow

A standard library for Cowgol.

1

65

hexd

Simple hexdump utility written in D.

D

1

66

polyglot-cat

The Unix cat utility in many different languages. A teaching exercise.

F#

1

67

tic80-openbsd

Distfiles for TIC-80 package on OpenBSD

1

68

gravity-mode

Emacs Major mode for the Gravity programming language.

Emacs Lisp

1

69

wmapmload

Window Maker power/battery monitor (OpenBSD fork)

C

1

70

pledged

OpenBSD pledge(2) and unveil(2) bindings for D. (Deprecated)

D

1

71

sunmake

Port of SunPro Make to OpenBSD

C++

1