Cobras is a programming environment made for programmers which are using Qt libraries for writing programs.

OMake is a build system with a similar style and syntax to GNU make.

C# Java Virtual Machine is a tiny implementation of the Java VM, including simple native classes.

Autoconf Macro Archive aims to provide a collection of reusable Autoconf macros as free software.

nwbintools is a machine code toolchain containing an assembler and various related development tools.

STX B+ Tree project is a set of C++ template classes implementing a B+ tree key/data container in main memory.

tmake provides a cross-platform makefile tool.

TOPCASED is a Toolkit in OPen source for Critical Applications and SystEm Development

POMStrap is a little opensource (BSD License) application bootstrap designed to avoid the Java library dependency headache.

Antiplate is an Ant script that creates a common project structure for Java projects.

ELF statifier create from dynamically linked executables and all it's libraries one file.

slacktrack is a package creation tool which allows you to build replica Slackware .tgz packages.

Avis is an event router service compatible with the commercial Elvin implementation developed by Mantara Software.

wxWidgets is C++ cross-platform GUI library with native look and feel.

KJam is a build tool like make.

linoleum_linux32 is a run-time module for the L.in.o.l.e.u.m. universal low-level programming language.

AVANGO is an object-oriented framework for the development of distributed, interactive VE applications.

AsmIDE is a collection of programs to help with assembler development.

Ultimate++ is a cross-platform C++ rapid application development suite.

Glan is a toolkit for developing network GUI applications.

remake is a patched and modernized version of GNU make utility.

Atlassian Bamboo is a Continuous Integration Server.

ORBit2 is a CORBA 2.4-compliant Object Request Broker (ORB).

Qorus Integration Engine is a framework for the development and operation of reliable interfaces.

Prime Mover is a build tool, not unlike make.