Free Static Code Analyzers

Static Source Code Analysis Utilities / Lint

Free Static Code Analyzers (Static Source Code Analysis Tools/Lint)

These static code analysis tools scan the source code of your program looking for potential bugs and suspicious constructs that can may be a bug waiting to happen. The term "lint" is sometimes used to refer to such tools because the earliest program (or, if not the earliest, then the most famous of the early tools) that performed such a function was called that.

The free programs below may validate code for different computer languages; that is, at the time this introduction was written, there are tools below to check C, C++, Fortran, Java and JavaScript. Read the description for each program to find out the specific language it supports.

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Free Static Code Analyzers (Static Source Code Analysis Tools/Lint)

Clang Static Analyzer (C, C++, Objective C) New

The Clang Static Analyzer scans your C, C++ or Objective C source code looking for potential sources of bugs. Binaries are only provided for Mac OS X, but you can build the program from its sources if you use Windows, Linux or perhaps other Unix-like systems. It can be used as a standalone tool to analyze your code even if you aren't compiling with Clang.

JSLint (JavaScript) New

JSLint checks your JavaScript programs for style and structural constructs that may result in bugs. The program itself is written in JavaScript.

Splint / LCLint (C)

Splint (formerly LCLint) is a rewrite of the famous Unix lint utility. It is a static source code analyser, that checks your C program source code for bugs and potential problems. This static source code analysis tool requires a certain amount of configuration before you can use it productively. There are versions for a number of operating systems, including Windows, Linux and other Unix systems.

Ftncheck (Fortran)

ftncheck, a static source code analysis utility, checks your Fortran programs for semantic errors, leaks and potential bugs. For example, you can use ftncheck to scan your program for the use of uninitialized variables and undeclared variables. Source code and binaries for Windows, Mac OS X, Linux and Sun Solaris are available.

Jlint: Java Program Checker (Java)

Like the lint utility which checks C programs, jlint is a static source code analysis tool that scrutinizes your Java source code for "bugs, inconsistencies and synchronization problems". The source code is available under the GNU General Public License. Precompiled binaries for Windows are available.

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