Awka is both a translator of AWK programs to ANSI C, and a separate library against which the C code is linked.
Native makefiles generator
GNU Bazaar is a distributed revision control system sponsored by Canonical.
cross-platform, open-source build system
Simple but powerful unit testing framework for C++
C++ port of the famous JUnit framework for unit testing
Cscope is a developer's tool for browsing source code.
DejaGnu is a framework for testing other programs. Its purpose is to provide a single front end for all tests. Think of it as a custom library of Tcl procedures crafted to support writing a test harness. A test harness is the testing infrastructure that is created to support a specific program or tool. Each program can have multiple testsuites, all supported by a single test harness. DejaGnu is written in Expect, which in turn uses Tcl -- Tool command language.
diffstat reads the output of diff and displays a histogram of the insertions, deletions, and modifications per-file. It is useful for reviewing large, complex patch files.
Git is a free & open source, distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
GNU Global is a source code tagging system.
Fast, high-capacity, identifier database tool.
intltool is a set of tools to centralize translation of many different file formats using GNU gettext-compatible PO files.
A makefile framework for writing simple makefiles for complex tasks
Parchive parity files (or par files for short) create redundant data that can be used later in case parts of the original data is lost or corrupted. Par files allow file level recovery of data. That is, out of a group of many files, if a limited number of files are lost or corrupted, they can be recovered. These files will have the extensions of .par, .p01, .p02 etc.
A collection of tools that operate on patch files.
Premake is a build script generator.
Quilt allows you to easily manage large numbers of patches by keeping track of the changes each patch makes. Patches can be applied, un-applied, refreshed, and more.
Open Source next-generation build tool.
Advanced version control system
C/C++/C#/D/Java/Pawn code indenter and beautifier