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 - ![Non Free][Money Icon] [StarUML](http://staruml.io/) - A sophisticated software modeler.
 - [![Open-Source Software][OSS Icon]](http://uncrustify.sourceforge.net/) [Uncrustify](http://uncrustify.sourceforge.net/) - Source Code Beautifier for C, C++, C#, ObjectiveC, D, Java, Pawn and VALA. See UniversalIndentGUI below.
 - [![Open-Source Software][OSS Icon]](https://sourceforge.net/projects/universalindent/files/uigui/) [UniversalIndentGUI](http://universalindent.sourceforge.net/) - UniversalIndentGUI offers a live preview for setting the parameters of nearly any indenter.
+- [![Open-Source Software][OSS Icon]](https://sourceware.org/git/?p=valgrind.git) [Valgrind](http://valgrind.org/) - Valgrind is a GPL'd system for debugging and profiling Linux programs.
 - [![Open-Source Software][OSS Icon]](https://www.gnu.org/software/wdiff/devguide) [Wdiff](https://www.gnu.org/software/wdiff/) - The GNU wdiff program is a front end to diff for comparing files on a word per word basis. It collects the diff output and uses it to produce a nicer display of word differences between the original files.
 - [![Open-Source Software][OSS Icon]](https://code.wireshark.org/review/gitweb?p=wireshark.git;a=tree) [Wireshark](https://www.wireshark.org/) - Wireshark is the world's foremost network protocol analyzer. It lets you see what's happening on your network at a microscopic level. It is the de facto (and often de jure) standard across many industries and educational institutions.
 - [![Open-Source Software][OSS Icon]](https://github.com/zealdocs/zeal) [Zeal](https://zealdocs.org/) - Zeal is an offline documentation browser for software developers.