Defects happen. No matter how hard your coders try, errors will creep into the software. Not all the faults are programmatic; some defects are caused by architectural issues, the failure of dependencies, or even a misinterpretation of requirements. (And some defects are reported because requirements changed.) Many companies and projects stand ready to help your stakeholders measure, identify and remediate defects in your programs. From makers of individual tools to entire QA sites, the SD Times 100 recognizes leaders and innovators in the software quality-assurance field.

DynatraceTrophy
Gomez
Hex-Rays
Hewlett-Packard
IBM
iTKO
McCabe
Parasoft

Continue to next category: Rich Internet Applications 2009