Top Software Engineers in

Open Source Software Development and Security

Open Source Software Development and Security encompasses building and securing software systems across various platforms, including Linux, Windows, and macOS. This field focuses on creating and enhancing privacy-focused applications, terminal emulators, and tools for secure communication, using languages such as Python, Rust, and JavaScript, and applying security measures like encryption and privacy protocols.

Ranks are based on the open source contributions and reassessed every 30 days

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1

Sandro Kabus
Software-Architect at SAP
/
Germany
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 19129 commits in 2 years 5 months
SuperSandro2000/docker-images
Docker-images: 1041 commits in 3 years 6 months
etu/nixpkgs
Nixpkgs: 534 commits in 6 months
Top skills
Score
linux
10
nixos
10
nixpkgs
10

#

2

Fabian Affolter
Senior Security Analyst at audius
/
Germany
Rock Star
25 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 17468 commits in 2 years 1 months
home-assistant/home-assistant.io
Home-assistant.io: 3407 commits in 7 years 3 months
alpinelinux/aports
Aports: 2413 commits in 11 years 2 months
Top skills
Score
linux
10
nix
10
nixpkgs
10

#

3

Peter Simons
Emergency Maintenance Updater at SUSE
/
Germany
Rock Star
19 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 17382 commits in 14 years 9 months
opensuse-haskell/configuration
Configuration: 2860 commits in 6 years 8 months
rbvermaa/nixpkgs-svn
Nixpkgs-svn: 2401 commits in 3 years 10 months
Top skills
Score
nix
10
nixos
10
linux
10

#

4

Frederik Rietdijk
Data Engineer at NASH Renewables
/
Sweden
Rock Star
15 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 12283 commits in 7 years 7 months
python-acoustics/python-acoustics
Python-acoustics: 554 commits in 8 years 8 months
kamilchm/nixpkgs
Nixpkgs: 514 commits in 3 years 3 months
Top skills
Score
nix
10
nixpkgs
10
linux
10

#

5

Mario Rodas
Software Developer en Bit Zeppelin S.A.C. at Bit Zeppelin Sac
/
Peru
Rock Star
12 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 12138 commits in 5 years 10 months
etu/nixpkgs
Nixpkgs: 737 commits in 5 months
dtzWill/nixpkgs
Nixpkgs: 243 commits in 1 year 3 months
Top skills
Score
nix
10
nixpkgs
10
linux
10

#

6

Eelco Dolstra
Principal Software Engineer at Determinate Systems
/
Netherlands
Rock Star
27 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 11022 commits in 19 years 11 months
NixOS/nix
Nix: 9299 commits in 20 years 1 months
rbvermaa/nixpkgs-svn
Nixpkgs-svn: 4998 commits in 9 years 2 months
Top skills
Score
nix
10
nixpkgs
9
linux
9

#

7

Martin Weinelt
Engineering Manager
/
Austria
Rock Star
12 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 10961 commits in 3 years 11 months
etu/nixpkgs
Nixpkgs: 1118 commits in 3 months
fabaff/nixpkgs
Nixpkgs: 821 commits in 3 months
Top skills
Score
linux
10
nixos
10
nixpkgs
10

#

8

Jörg Thalheim
Employed at no
/
Tanzania, United Republic of
Rock Star
14 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 10513 commits in 6 years 6 months
Mic92/dotfiles-old
Dotfiles-old: 1741 commits in 7 years 6 months
nix-community/NUR
NUR: 549 commits in 4 years 11 months
Top skills
Score
linux
10
nix
10
nixpkgs
10

#

9

Vladimír Čunát
Employed at cz.nic labs CZ-NIC
/
Czechia
Rock Star
13 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 8462 commits in 11 years 5 months
CZ-NIC/knot-resolver
Knot-resolver: 2100 commits in 6 years 7 months
vcunat/nixpkgs
Nixpkgs: 1255 commits in 11 years 11 months
Top skills
Score
nix
10
linux
10
nixpkgs
10

#

10

Maximilian Bosch
Software Developer for Mayflower GmbH at Mayflower GmbH
/
Germany
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 6335 commits in 6 years
Sententiaregum/Sententiaregum
Sententiaregum: 235 commits in 1 year 6 months
etu/nixpkgs
Nixpkgs: 184 commits in 3 months
Top skills
Score
nix
10
nixpkgs
10
linux
10

#

11

Jan Tojnar
Employed at ogion.cz
/
Czechia
Rock Star
12 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 6049 commits in 5 years 8 months
fossar/selfoss
Selfoss: 1002 commits in 8 years 5 months
jtojnar/nixfiles
Nixfiles: 711 commits in 5 years 7 months
Top skills
Score
linux
10
nixos
10
nixpkgs
10

#

12

Tim Steinbach
Developer, mentor, researcher, leader at Shopify
/
Canada
Rock Star
18 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 5973 commits in 6 years 11 months
NeQuissimus/DevSetup
DevSetup: 729 commits in 7 years 1 months
zio/zio
Zio: 118 commits in 1 year 6 months
Top skills
Score
linux
10
nix
10
nixpkgs
10

#

13

Michael Weiss
Employed at primeos-work
/
Germany
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 4358 commits in 6 years 4 months
tuebix/tuebixorg
Tuebixorg: 174 commits in 6 years 8 months
dtzWill/nixpkgs
Nixpkgs: 117 commits in 1 year 3 months
Top skills
Score
linux
10
nixos
10
nixpkgs
10

#

14

Franz Pletz
Employed at Mayflower GmbH
/
Germany
Rock Star
18 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 4156 commits in 8 years 5 months
mayflower/nixpkgs
Nixpkgs: 1473 commits in 4 years 4 months
freifunkMUC/site-ffm
Site-ffm: 248 commits in 3 years 3 months
Top skills
Score
linux
10
nix
10
nixpkgs
10

#

15

Bobby Rong
Employed at Xuan Wu Cloud
/
China
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 4115 commits in 4 years 5 months
scnu-socoding/scnuoj
Scnuoj: 1123 commits in 1 year 11 months
SCNU-SoCoding/scnuoj-2020
Scnuoj-2020: 142 commits in 5 months
Top skills
Score
linux
10
nix
10
nixpkgs
10

#

16

Ryan Mulligan
Employed at replit
/
United States
Rock Star
16 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 4033 commits in 8 years 6 months
ryantm/nixpkgs-update
Nixpkgs-update: 799 commits in 5 years 3 months
ryantm/dotfiles
Dotfiles: 359 commits in 8 years 7 months
Top skills
Score
nixos
10
nixpkgs
10
linux
10

#

17

Jonathan Ringer
Software developer, and NixOS contributor at Anduril Industries
/
United States
Rock Star
11 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 3825 commits in 3 years 7 months
CommE2E/comm
Comm: 668 commits in 1 year
dalakatt/nixpkgs
Nixpkgs: 348 commits in 6 days
Top skills
Score
nix
10
nixpkgs
10
linux
10

#

18

Domen Kožar
Software Engineer at cachix
/
Spain
Rock Star
15 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 3716 commits in 10 years
cachix/cachix
Cachix: 770 commits in 4 years 11 months
kiberpipa/Intranet
Intranet: 737 commits in 3 years 11 months
Top skills
Score
nix
10
nixpkgs
10
linux
10

#

19

Will Dietz
Employed at dtzTech
/
United States
Rock Star
14 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
dtzWill/nixpkgs
Nixpkgs: 12180 commits in 6 years 5 months
kamilchm/nixpkgs
Nixpkgs: 5039 commits in 1 year 3 months
NixOS/nixpkgs
Nixpkgs: 3639 commits in 5 years 10 months
Top skills
Score
nix
10
nixpkgs
10
linux
10

#

20

Thomas Tuegel
Senior Software Engineer at Mercury
/
United States
Rock Star
14 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
NixOS/nixpkgs
Nixpkgs: 3548 commits in 9 years 1 months
ttuegel/nixos-config
Nixos-config: 1736 commits in 9 years 1 months
runtimeverification/haskell-backend
Haskell-backend: 1051 commits in 3 years 2 months
Top skills
Score
nix
10
nixpkgs
10
linux
10

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