| Tool | Open Source – Commercial | URL |
| CAST | Commercial | www.castsoftware.com |
| Sonar | Open Source | www.sonarsource.org |
| SLOC | Open Source -> Commercial | http://www.dwheeler.com/sloccount/ |
| RSM | Commercial | www.msquaredtechnologies.com |
| LocMetrics | Commercial | www.locmetrics.com |
| EZ-Metrics | Commercial | http://www.jamesheiresconsulting.com/Products.htm |
| Metrixware | Commercial | www.metrixware.com |
| Parasoft (Jtest) | Commercial | www.parasoft.com/ |
| Squale | Open Source | www.squale.org/ |
| KODERS | Commercial | www.koders.com |
| PRACTILINE | www.practiline.com | |
| POWERSOFTWARE | Commercial | http://www.powersoftware.com/ |
| CLOC | Open Source | http://cloc.sourceforge.net/ |
| Unified CodeCount (UCC) | Open Source | http://sunset.usc.edu/research/CODECOUNT/ |