Top Software Engineers in

Comprehensive Open-Source Technology Ecosystem

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linux
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docker
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nextcloud
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javascript
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python

Comprehensive Open-Source Technology Ecosystem encompasses a broad array of tools and technologies designed to facilitate collaboration, security, and efficient management of servers and applications. This ecosystem includes versatile platforms for cloud storage, automation, real-time monitoring, secure communication, and web server management, using a variety of programming languages and technologies like Docker, PHP, JavaScript, Linux, and Go. Its applications range from managing email and cloud data to enabling secure chats and automating workflow.

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

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1

Costa Tsaousis
Founder and CEO of Netdata at Netdata
/
Greece
Rock Star
35 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
theiren46/blocklist-ipsets
Blocklist-ipsets: 144675 commits in 2 months
BBcan177/blocklist-ipsets
Blocklist-ipsets: 19058 commits in 2 days
netdata/netdata
Netdata: 5592 commits in 9 years 9 months
Top skills
Score
linux
10
devops
10
monitoring
10

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2

Roeland Douma
Principal Consultant at NAVARA // Senior Software Engineer at Essent
/
Netherlands
Rock Star
16 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
nextcloud/server
Server: 8076 commits in 6 years 9 months
owncloud/core
Core: 812 commits in 1 year 8 months
nextcloud-releases/updater_server
Updater_server: 530 commits in 2 years 9 months
Top skills
Score
php
10
open-source
10
owncloud
10

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3

Jan Oberhauser
Founder & CEO of n8n.io (not interested in freelance developers, trainers, recruiters, or anything else!) at Netbird
/
Germany
Rock Star
12 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
n8n-io/n8n
N8n: 4636 commits in 3 years 7 months
patevs/n8n
N8n: 107 commits in 1 year 9 months
jovotech/jovo-cli
Jovo-cli: 55 commits in 5 months
Top skills
Score
n8n
10
ipaas
10
typescript
10

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4

Morris Jobke
Backend Engineer at Jimdo
/
Germany
Rock Star
11 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
nextcloud/server
Server: 5945 commits in 6 years 3 months
owncloud/core
Core: 2447 commits in 3 years 4 months
nextcloud/documentation
Documentation: 2196 commits in 5 years
Top skills
Score
owncloud
10
open-source
10
php
10

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5

Nick Craig-Wood
Rclone Services Ltd - helping businesses with my open source program 'rclone' at Rclone Services
/
United Kingdom
Rock Star
22 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
rclone/rclone
Rclone: 4943 commits in 10 years 3 months
go-python/gpython
Gpython: 423 commits in 5 years 11 months
ncw/swift
Swift: 211 commits in 9 years 2 months
Top skills
Score
go
10
dropbox
10
golang
10

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6

Joas Schilling
Senior Software Engineer Team Lead bei Nextcloud GmbH at Nextcloud
/
Germany
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
nextcloud/spreed
Spreed: 8875 commits in 6 years 3 months
phpbb/phpbb-app
Phpbb-app: 4730 commits in 7 years 6 months
nextcloud/server
Server: 4483 commits in 6 years 10 months
Top skills
Score
nextcloud
10
php
10
open-source
10

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7

Brad Warren
Consultant at Electronic Frontier Foundation
/
United States
Rock Star
16 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
certbot/certbot
Certbot: 4176 commits in 7 years 9 months
certbot/website
Website: 393 commits in 5 years 7 months
certbot/josepy
Josepy: 114 commits in 4 years 9 months
Top skills
Score
acme
10
letsencrypt
10
certificate
10

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8

Matt Holt
I write code with my bare hands. Created the Caddy web server. **I DO NOT CHECK LINKEDIN** at Self Employed
/
United States
Rock Star
16 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
caddyserver/caddy
Caddy: 2285 commits in 8 years 1 months
abiosoft/caddyserver.com
Caddyserver.com: 236 commits in 1 year 3 months
avelino/awesome-go
Awesome-go: 217 commits in 1 year 9 months
Top skills
Score
go
10
golang
10
acme
7

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9

John Molakvoæ
/
United States
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
nextcloud/server
Server: 3087 commits in 6 years 4 months
nextcloud/contacts
Contacts: 1394 commits in 5 years 6 months
nextcloud-libraries/nextcloud-vue
Nextcloud-vue: 1213 commits in 4 years 9 months
Top skills
Score
nextcloud
10
self-hosting
10
open-source
10

#

10

Joram Wilander
Director of Engineering at Mattermost
/
Canada
Rock Star
14 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
mattermost/mattermost
Mattermost: 1866 commits in 7 years 3 months
mattermost/mattermost-webapp
Mattermost-webapp: 902 commits in 6 years 6 months
sonereker/mattermost-webapp
Mattermost-webapp: 644 commits in 2 years 11 months
Top skills
Score
mattermost
10
collaboration
10
react
10

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11

Arthur Schiwon
Senior Software Engineer at Nextcloud GmbH
/
Germany
Rock Star
19 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
nextcloud/server
Server: 2782 commits in 7 years 1 months
owncloud/core
Core: 1797 commits in 5 years 1 months
owncloud/user_ldap
User_ldap: 750 commits in 4 years 3 months
Top skills
Score
php
10
file-sharing
10
enterprise
10

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12

Julius Hartl
Software Engineer bei Nextcloud GmbH at Nextcloud
/
Germany
Rock Star
16 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
nextcloud/deck
Deck: 3619 commits in 6 years 8 months
nextcloud/server
Server: 2758 commits in 6 years 8 months
nextcloud/text
Text: 2084 commits in 3 years 11 months
Top skills
Score
nextcloud
10
collaboration
10
open-source
10

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13

Iván Ovejero
Full-Stack Developer at n8n.io | TypeScript, Node, Vue
/
Germany
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
n8n-io/n8n
N8n: 1872 commits in 2 years 7 months
ivov/eslint-plugin-n8n-nodes-base
Eslint-plugin-n8n-nodes-base: 532 commits in 10 months
ivov/nodebuilder
Nodebuilder: 207 commits in 10 months
Top skills
Score
n8n
10
integrations
10
typescript
10

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14

Ilya Mashchenko
Integration Engineer - netdata, Inc. (netdata.cloud) at Netdata
/
Greece
Rock Star
14 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
netdata/netdata
Netdata: 1183 commits in 6 years 1 months
netdata/go.d.plugin
Go.d.plugin: 1083 commits in 4 years 11 months
Wing924/go.d.plugin
Go.d.plugin: 108 commits in 1 months
Top skills
Score
netdata
10
observability
10
kubernetes
10

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15

Corey Hulen
Founder and CTO at Mattermost, Inc.
/
United States
Rock Star
28 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
mattermost/mattermost
Mattermost: 1493 commits in 3 years
mattermost/mattermost-webapp
Mattermost-webapp: 103 commits in 2 years 3 months
mattermost/mattermost-push-proxy
Mattermost-push-proxy: 90 commits in 2 years 11 months
Top skills
Score
mattermost
10
react
10
react-native
10

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16

Robin Appelman
Software Engineer at Nextcloud GmbH
/
Netherlands
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
owncloud/core
Core: 3832 commits in 6 years 4 months
nextcloud/server
Server: 2155 commits in 6 years 9 months
owncloud-archive/apps
Apps: 652 commits in 4 years 3 months
Top skills
Score
owncloud
10
file-sharing
10
enterprise
10

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17

Harrison Healey
Software Design Engineer at Mattermost
/
Canada
Rock Star
16 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
mattermost/mattermost
Mattermost: 1428 commits in 7 years 7 months
mattermost/mattermost-webapp
Mattermost-webapp: 1313 commits in 6 years 11 months
sonereker/mattermost-webapp
Mattermost-webapp: 574 commits in 4 years 1 months
Top skills
Score
mattermost
10
react
10
golang
10

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18

Christopher Speller
Full Stack Software Developer at Mattermost
/
Canada
Rock Star
13 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
mattermost/mattermost
Mattermost: 1383 commits in 7 years 8 months
mattermost/mattermost-webapp
Mattermost-webapp: 308 commits in 6 years 5 months
mattermost/mattermost-load-test
Mattermost-load-test: 180 commits in 2 years 2 months
Top skills
Score
mattermost
10
collaboration
10
react
10

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19

Mutasem Aldmour
Engineering Tech Lead at n8n.io
/
Germany
Rock Star
TOP CONTRIBUTIONS TO PROJECTS
n8n-io/n8n
N8n: 1481 commits in 2 years
irahardianto/n8n
N8n: 514 commits in 3 months
starzou/n8n
N8n: 393 commits in 2 months
Top skills
Score
typescript
10
low-code
10
n8n
10

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20

Lukas Reschke
Software Engineer | AppSec at Authentick
/
Germany
Rock Star
12 years of coding experience
TOP CONTRIBUTIONS TO PROJECTS
owncloud/core
Core: 2444 commits in 4 years
nextcloud/server
Server: 1645 commits in 5 years 6 months
Authentick/Server
Server: 607 commits in 4 months
Top skills
Score
owncloud
10
file-sharing
10
enterprise
10

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