MD

Mark Otto

Designer, developer, and advisor. Building Pierre. Creator of Bootstrap (@twbs). Previously @github and @twitter. Huge nerd.

San Francisco, CA

Website

@mdo

Joined June 2009

23626 Followers

1 Following

AI Insights & Achievements

62/ 100

Quality

Avg 654.7 stars per repo.

Consistency

12 day streak.

Veteran

Coding for 17 years.

Organizations

TW PO

Public Repos

33

Total Stars

21605

Total Forks

2303

Public Gists

11

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 7th, 2026 • 11 contributions

Most active week: Nov 10–Nov 16 • 43 contributions

Most active month: Oct 2025 • 128 contributions

Pushed to v6-navbar at twbs/bootstrap

February 1st, 2026 4:34 AM

Created branch mdo/treedocs in pierrecomputer/pierre

January 29th, 2026 9:22 PM

PullRequestReviewEvent on twbs/bootstrap

January 29th, 2026 7:47 PM

Pushed to v6-navbar at twbs/bootstrap

January 28th, 2026 7:35 PM

labeled pull request in twbs/bootstrap

January 27th, 2026 9:36 PM

labeled pull request in twbs/bootstrap

January 27th, 2026 9:36 PM

labeled pull request in twbs/bootstrap

January 27th, 2026 9:36 PM

opened pull request in twbs/bootstrap

January 27th, 2026 9:36 PM

Created branch v6-navbar in twbs/bootstrap

January 27th, 2026 9:23 PM

IssueCommentEvent on twbs/bootstrap

January 26th, 2026 6:49 PM

GitHub Analytics

Mark Otto

Quality

Consistency

Veteran