Marcin Kościelniak (@mkoscielniak)
  • Stars
    star
    12
  • Global Rank 874,315 (Top 31 %)
  • Followers 2
  • Registered almost 14 years ago
  • Most used languages
    C#
    100.0 %
  • Location 🇵🇱 Poland
  • Country Total Rank 7,274
  • Country Ranking
    C#
    476