Language Statistics
Java
Earliest usage tracked by Open Hub: March 2006
| Total Lines 1,912,692,314 Code1,163,198,832 Comments508,895,702 (30.4%) | Projects 31,912 | Contributors 226,132 | Commits 21,137,816 |
Most Experienced Contributors
Accounts with the most overall experience in Java, as measured by Open Hub.
 |  | 1. belaban 36y 7m |
| |  | 2. bobjacobsen 34y 2m |
 |  | 3. Ulli Hafner 32y 3m |
 |  | 4. RangerRick 30y 11m |
 |  | 5. vshcherb 29y 2m |
| |  | 6. srosse 27y 11m |
 |  | 7. apr 27y 0m |
| |  | 8. Marius Dumitru Florea 26y 5m |
| |  | 9. Curtis Rueden 26y 2m |
 |  | 10. adammurdoch 25y 0m |
| |  | 11. mtotschnig 24y 11m |
| |  | 12. Lucian Chiriţă 24y 6m |
| |  | 13. Ian Mayo 24y 0m |
| |  | 14. Jim Procter 23y 10m |
| |  | 15. bozimmerman 23y 10m |
| |  | 16. jean-marie burel 23y 4m |
| |  | 17. Axel Morgner 22y 2m |
| |  | 18. Olaf Willuhn 22y 1m |
 |  | 19. Vincent Massol 22y 1m |
| |  | 20. Michael J. Schnieders 22y 1m |
| |  | 21. Stefan Bodewig 21y 10m |
| |  | 22. Thomas Scheffler 21y 8m |
| |  | 23. Julian Hyde 21y 8m |
| |  | 24. eal 21y 8m |
| |  | 25. Franz Wilhelmstötter 21y 4m |
Recently Active Contributors
Accounts with the most commits in Java between Jan 2026 and Mar 2026 as measured by Open Hub.
| |  | 1. Otavio Santana 402 commits |
| |  | 2. msqr 216 commits |
| | | 3. srosse 194 commits |
| |  | 4. Claus Ibsen 174 commits |
| |  | 5. jfarcand 168 commits |
| |  | 6. Matthias Mailänder 160 commits |
| |  | 7. Richard Eckart de Castilho 145 commits |
| |  | 8. RBRi 136 commits |
| | | 9. bobjacobsen 105 commits |
| |  | 10. Andrea Cosentino 102 commits |
| |  | 11. Harry King 97 commits |
| |  | 12. Thomas Jäckle 77 commits |
| |  | 13. Serge Rider 76 commits |
| |  | 14. jqno 75 commits |
| |  | 15. Mark Rotteveel 74 commits |
| |  | 16. Michiel Meeuwissen 72 commits |
| |  | 17. Manuel Laggner 69 commits |
 |  | 18. Andreas Dangel 64 commits |
| |  | 19. Deepthi Devaki Akkoorath 64 commits |
| | | 20. bozimmerman 62 commits |
 |  | 21. Hiroshi Miura 61 commits |
| |  | 22. Laurent Jourdren 61 commits |
| |  | 23. AloisZoitl 58 commits |
| |  | 24. Stéphane Nicoll 56 commits |
| |  | 25. Tobias Knerr 55 commits |