Yukihiro "Matz" Matsumoto
Expert
matz
Last updated: February 16, 2026
C
Top Language
Top 10%
Developer Ranking
349 days
Best Streak
Overall Developer Score
800/1000
Technical186
Impact80
Quality103
Consistency106
Growth7
Better than 90% of developers
Contribution Activity
349 days
Longest Streak
3 days
Current Streak
98.91%
Activity Rate
Most active day: Sun with 52 contributions
Reputation & Impact
Followers
10206
Stars
5764
Forks
431
Watchers
558
Language Distribution
C
69.5%C++
11.2%Ruby
11.1%Makefile
4.3%Shell
0.2%Project Highlights
Key Insights
Strong C expertise
You've demonstrated significant expertise in C across multiple projects with high impact.
Score: 81.31
Projects: 10
Exceptional contribution streak
You maintained a 349 day contribution streak, demonstrating consistent engagement and discipline.
Streak: 349
Activity ratio: 98.91
High-impact project portfolio
Your projects have garnered significant attention with 5764 stars, indicating strong community impact.
Stars: 5764
Forks: 431
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