JD

Joost de Valk

I'm an internet entrepreneur with a love for open source software. I'm a partner at @Emilia-Capital and the founder of @Yoast.

The Netherlands

Website

@jdevalk

Joined November 2010

496 Followers

0 Following

AI Insights & Achievements

41/ 100

Veteran

Coding for 16 years.

Influencer

496 followers.

Workhorse

1447 contributions this year.

Profile README

👋🏼️ Hi there

I’m Joost de Valk, an internet entrepreneur and developer from the Netherlands.

Read my bio on my personal site, where you can also reach me.

Currently working on AAA Option Optimizer, a new project that's still a secret, helping our portfolio companies and a few consulting projects.

Organizations

PR PO AT FA

Public Repos

43

Total Stars

139

Total Forks

57

Public Gists

71

Top Languages

Based on primary language of repositories

Recent Activity

Contribution Graph

Activity Timeline

Commits and contributions grouped by day, week, or month.

High productivity periods

Most active day: January 26th, 2026 • 180 contributions

Most active week: Jan 26–Feb 1 • 513 contributions

Most active month: Jan 2026 • 621 contributions

Pushed to main at jdevalk/sportlink-sync

February 1st, 2026 6:17 PM

Pushed to main at jdevalk/sportlink-sync

February 1st, 2026 2:09 PM

Pushed to main at jdevalk/sportlink-sync

February 1st, 2026 2:07 PM

Pushed to main at jdevalk/sportlink-sync

February 1st, 2026 2:00 PM

Pushed to main at jdevalk/sportlink-sync

February 1st, 2026 1:58 PM

Pushed to main at jdevalk/sportlink-sync

February 1st, 2026 1:46 PM

Pushed to main at jdevalk/sportlink-sync

February 1st, 2026 10:43 AM

Pushed to main at jdevalk/sportlink-sync

January 31st, 2026 10:27 AM

Pushed to main at jdevalk/sportlink-sync

January 31st, 2026 10:21 AM

Pushed to main at jdevalk/sportlink-sync

January 31st, 2026 6:15 AM

GitHub Analytics

Joost de Valk

Veteran

Influencer

Workhorse

👋🏼️ Hi there