Not RPM developer Jeffrey Johnson. Not XTree developer Jeffrey Johnson. Not Jeffrey Johnson, Google Senior Software Engineer. Not the robotic engineer, either.
duma: Detect Unintended Memory Access (D.U.M.A.) - A Red-Zone memory allocator
C - Released: 25 Aug 2020 - 92
g: A portable general purpose programmable text editor with calculator and macro facility.
C - Released: 19 Mar 2021 - 30
vlarn: a classic multi-platform roguelike dungeon-crawl adventure
C - Released: 12 Jan 2021 - 13
VEDIT ⧸ VEDIT‑PLUS for CP/M V2.33b (04/27/87) source code
Assembly - Released: 01 Sep 2024 - 13
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
Go - Released: 27 Feb 2021 - 8
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
C - Released: 31 Mar 2021 - 11
amacs: AMACS extensible editor in 6502 assembly by Brian Fox
Assembly - Released: 04 Apr 2021 - 9
jleveldb: JLevelDB is an implementation of the LevelDB key/value database in the Go programming language, based on GoLevelDB
Go - Released: 09 Mar 2021 - 4
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)
C - Released: 28 Mar 2021 - 14
cpm-vax: CP/M-VAX is a port of CP/M-68K to the VAXstation 2000 by Roger Ivie
C - Released: 29 Mar 2021 - 15
ynetd: a small (< 400 lines of C) server for binding programs to TCP ports
C - Released: 04 Mar 2021 - 14
com-cpm: COM, a CP/M-80 simulator (in portable C and 68000 assembly flavors) by Jim Cathey
Assembly - Released: 31 Mar 2021 - 15
NextEmacs: NeXT GNU Emacs 18.55.122 (emacs-12, October 1990)
C - Released: 19 Aug 2021 - 13