Projects

FindBugs

FindBugs is a defect detection tool for Java that uses static analysis to look for more than 200 bug patterns, such as null pointer dereferences, infinite recursive loops, bad uses of the Java libraries and deadlocks. FindBugs can identify hundreds of serious defects in large applications (typically ... [More] about 1 defect per 1000-2000 lines of non-commenting source statements). FindBugs is open source, and has been downloaded more than 230,000 times, and is used by many major companies and financial institutions. Findbugs can be used from the command line or within ant, eclipse, maven, netbeans and emacs. [Less]

Checkstyle

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. Its purpose is to automate the process of checking Java code, and to spare humans of this task.

PMD

PMD is a Java source code analyzer. It finds unused variables, empty catch blocks, unnecessary object creation, and more. It includes CPD, a tool to detect chunks of identical code.

Ohloh

This website. Not completely open source (yet!), but you can use an open source component (called 'Ohcount') to generate similar source code metrics on your own.

Cobertura

Cobertura is a free Java tool that calculates the percentage of code accessed by tests. It can be used to identify which parts of your Java program are lacking test coverage. It is based on jcoverage.

LLVM/Clang C family frontend

The goal of this work is to provide a high quality front-end for LLVM that is built with the same principles as the rest of LLVM (it is built as a set of reusable libraries, integrates well with rest of the LLVM architecture, same license, etc). Among other things, this means that LLVM can now be ... [More] used for a variety source-level analysis and transformation tasks that it was not suitable for before. [Less]

Ohcount

claimed by Black Duck Software, Inc.

Ohcount is a source code line counter. Ohcount identifies source code files in most common programming languages, and prepares total counts of code and comments. It can operate on single files or entire directory trees. Ohcount can produce line-by-line analysis of files for detailed debugging. ... [More] Ohcount is used to create the source code reports on the Ohloh website. [Less]

Sonar

SONAR is an open source software quality management tool, dedicated to continuously analyze and measure source code quality. Using SONAR throughout the whole development project life cycle drastically improves visibility for every stakeholder. This gained visibility allows to manage risks, reduce ... [More] maintenance costs and improve agility by implementing a real quality first approach. Teams can now seamlessly embrace quality with fun. [Less]

Eclipse Checkstyle Plugin

The Eclipse Checkstyle plug-in integrates the Checkstyle Java code auditor into the Eclipse IDE. The plug-in provides real-time feedback to the user about violations of rules that check for coding style and possible error prone code constructs.

PHP_CodeSniffer

PHP_CodeSniffer is a PHP5 script that tokenises PHP, JavaScript and CSS files to detect violations of a defined coding standard. It is an essential development tool that ensures your code remains clean and consistent. It can also help prevent some common semantic errors made by developers.