Not RPM developer Jeffrey Johnson. Not XTree developer Jeffrey Johnson. Not Jeffrey Johnson, Google Senior Software Engineer. Not the robotic engineer, either.
OpenVi. OpenVi: Portable OpenBSD vi for UNIX systems
194duma. duma: Detect Unintended Memory Access (D.U.M.A.) - A Red-Zone memory allocator
119NeXTROM. NeXTROM
90NeXTSrc. NeXTSrc
64pmince. pmince: Portable MINCE (MINCE is Not Complete[ly] EMACS)
44g. g: A portable general purpose programmable text editor with calculator and macro facility.
42VEDIT. VEDIT ⧸ VEDIT‑PLUS for CP/M‑80, CP/M‑86, and MS‑DOS V2.33
37NeXTDPS. NeXTDPS
34NeXTMach. NexTMach
33matlab. matlab: MATLAB (with FORTRAN source code)
32NeXTDSP. NeXTDSP
28com-cpm. com-cpm: COM, a CP/M-80 simulator (in portable C and 68000 assembly flavors) by Jim Cathey
26NeXTDimension. NeXTDimension
23cpm-vax. cpm-vax: CP/M-VAX is a port of CP/M-68K to the VAXstation 2000 by Roger Ivie
21ynetd. ynetd: a small (< 400 lines of C) server for binding programs to TCP ports
20xinu68k. xinu68k: Xinu for the Motorola MECB, AT&T PC 7300, AT&T UNIX PC, AT&T/Olivetti 3B1, Convergent Technologies S/50, and Sun Microsystems Sun-2 & Sun-3
19NeXTEmacs. NextEmacs: NeXT GNU Emacs 18.55.122 (emacs-12, October 1990)
19sgs-68k. sgs-68k: AT&T (Software Generation System) SGS for Motorola 68000, including compilers (C, FORTRAN-77, RATFOR, EFL) and tools (SCCS, cflow, ctrace, cxref, lint, prof, lex, yacc)
18AncientXinu. AncientXinu: Early Xinu / Xinu68k releases
18cpm-m3. cpm-m3: CP/M-M3 is a port of CP/M-68K to the ARM Cortex-M3 by Roger Ivie
17vlarn. vlarn: a classic multi-platform roguelike dungeon-crawl adventure
16cdos-68k. cdos-68k: Concurrent DOS 68K Developer Kit
16tvx. tvx: TVX is a portable full-screen editor for CP/M, MS-DOS, GEMDOS, RT-11, RSX-11, VAX/VMS, and UNIX, written in C by Bruce E. Wampler
14AIX5-IA64. AIX5-IA64: A modest collection of compiled software for IBM AIX 5.1L for Itanium (IA-64), previously known as Project Monterey.
14gfcptun. gfcptun: A fast and low-latency tunnel using GFCP over UDP
12amacs. amacs: AMACS extensible editor in 6502 assembly by Brian Fox
12exchange. exchange: Exchange is a (user space) UNIX port of CP/M-68K by Roger Ivie, useful for manipulating DRI (8" SSSD) or P112 (3.5" DSDD) format CP/M disk images
10gfpsgo. gfpsgo: Fork of psgo, an IBM AIX-compatible ps(1) utility (and Go library) extended with various descriptors useful for displaying container-related data on Linux
8dps8m-proxy. dps8m-proxy: High performance SSH⟷TELNET proxy and gateway
8PC-DCL. PC-DCL: PC-DCL is an emulation of the DCL command language interpreter (fork)
8emacs11. emacs11: EMACS11 (for PDP/RSX and VAX/VMS) in TECO-11 by Fred Fish
8graft. graft: a package management utility by Peter R. Samuel <peter.r.samuel@gmail.com>. Mirrored from http://peters.gormand.com.au/Home/tools/graft
7nulib. nulib: NuLib NuFile eXchange (NuFX) Archive Utility (for ShrinkIt/BinaryII/NuFX)
7sim68k. sim68k
7decmate-ii-rom. decmate-ii-rom: Charles J. Lasner's DECmate-II ROM disassembly
7bviplusplus. bviplusplus: bvi++ hex editor
7altoschat. altoschat: Altger Altos Chat
7third. third: THIRD is a non-standard portable FORTH system by Roger Ivie (with Z80 and PDP-8 ports included)
6layers. layers: The "Layers" window manager for the AT&T Blit programmable bitmap graphics terminal
6AIXinfo. aixinfo: The AIXinfo Wiki!
6xlp. IBM AIX XL Pascal Compiler/6000
6rh. rh: rh is a find(1)-like utility, but with C syntax.
5cws-ed. cws-ed: ED, a portable EDT look-alike editor, by Rush Record and Charles W. Sandmann
5bvi-lf. bvi-lf: bvi editor for binary files (hex editor) with large-file support [personal fork] - Use https://github.com/buergmann/bvi as it now has these fixes!
4rvi. rvi: rvi is an interface to RCS that attempts to make the process of using RCS simple. (Maintained version of original from https://www.cs.ru.ac.za/research/g98t4414/static/home/rvi/)
4txtelite. txtelite: Text Elite 1.5 (with bug fixes)
3