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Mark Johnston
@markjdb
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Open GitHub
🇨🇦 Toronto, ON, Canada
Profile age: over 14 years
Updated 8 days ago
86 followers • 0 following
Contacts
markjdb@gmail.com
Organizations
Profile Overview
Global
Canada
Beginner
Adept
Advanced
Expert
Master
Elite
Legend
Global Rank
Master 3
Persona
Contributor
#363,437
#135,696
#143,065
Explore Ranks
Top 3 Languages By Stars
All Languages
Top 5 Repositories
sysfuzz
14
2
updated over 8 years ago • age over 11 years
C
100.0%
bricoler
14
6
updated 16 days ago • age almost 3 years
C
47.7%
Lua
40.9%
Roff
7.0%
Shell
2.5%
Makefile
1.8%
alx-freebsd
9
4
updated almost 11 years ago • age over 12 years
C
100.0%
netdumpd
6
4
updated almost 2 years ago • age over 8 years
C
94.9%
Roff
4.4%
Shell
0.7%
scripts
5
2
updated 2 days ago • age almost 13 years
Shell
76.3%
DTrace
10.9%
Python
7.9%
Perl
2.5%
GDB
2.3%
View all 7 repositories
Last Contributions
2025
podman
3 PRs
+276
-223
Go
29,232
2,820
230
zfs
2 PRs
+6
-4
C
11,619
1,883
118
syzkaller
3 PRs
+54
-3
Go
5,848
1,323
snmalloc
1 PR
+0
-15
C++
1,736
117
14
pkg
~10 PRs
+383
-125
C
797
298
17
View all contributions
Latest Updates
01 Oct 2025
Followers Count:
84
86
20 Aug 2025
Followers Count:
83
84
06 Aug 2025
Followers Count:
82
83
09 Jul 2025
Followers Count:
81
82
04 Jan 2025
First seen
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