@matz
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Every leaf is a headline number from Yukihiro "Matz" Matsumoto’s public GitHub. The canopy fills out as the work grows - sway and all.
Data from GitHub API · refreshed in real time
Yukihiro "Matz" Matsumoto is a developer on GitHub whose public work is written mostly in C, which accounts for roughly 72% of their committed code, alongside Ruby and C++. Their account holds 3 public repositories, collecting 6,319 stars in total, led by streem at 4,597. In the trailing year the account logged 6,834 contributions, including a longest run of 365 consecutive active days. Yukihiro "Matz" Matsumoto has been on GitHub since 2008 and is followed by 10,647 developers.
This overview is generated from Yukihiro "Matz" Matsumoto’s public GitHub activity at the time of the last refresh. Figures cover public repositories and the trailing twelve months of contributions.
prototype of stream based programming language
The spinelgems index: a git-hosted name -> (repo, releases) map for spin (no server)
Derived from repository languages and topics - horizontal bars, never a pie.
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| Name | Language | Stars | Forks | Size | Updated |
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No repositories match those filters.
Best coding day: Thu
Created the @matz account.
Published streem, the oldest repository still on the account.
streem is the earliest-created repository to have earned stars.
6,129 contributions recorded in 2026, more than any other year on record.
spin-index is the most recently created repository.
Your GitHub career, year by year.
→Built from matz’s public, non-fork repositories. Star totals reflect current counts, not historical snapshots.
5 / 9 unlocked
The primary languages of repositories created each year.
Repositories created per year, and the running total.
Built automatically from repository languages and topics.