"Yet Another C Data Structures Library" is a project that aims at implementing a simple, fast, portable and memory-leak-free data structures and algorithms to extend the C Standard Library and give more support and abstraction power for developers. Yet Another C Data Structures Library...
YALMSys, Yet Another Library Management System. Web based management system for libraries (books, multimedia). Client-Server. BSD license. J2EE. ANSI SQL. Yet Another Library Management SYStem 1.0 License - BSD License
Yet another project management system is web based software focused for IT companies to effectively manage their project and their deadlines in a highly volatile market. Yet Another Project Management System 1.0 License - GNU General Public License (GPL)
Yet Another C++ Template Library is intented to give you some basic classes for meta-programing such as generic container, specific pointers or templates specifics structures such as typelist. Yet Another C++ Template Library beta1 License - GNU General Public License (GPL)
Yet Another PHP Portal System (YAPHPS) in an PHP framework and CMS system focused in security and simplicity. YAPHPS (Yet Another PHP Portal System) 1.0 License - GNU General Public License (GPL)
Phosta is yet another web-mail system, written in PHP, that wants to be fast, lightweight, simple to configure and fully customizable in about all of it's parts.
YAams - Yet Another advanced maker system - YAams are an editor to create 2D Games without any programm knowledge. Its witten in Java & pluginable
YANDES - Yet Another Natural Deduction System
A multi-tiered, internet-based application interface for the YaBB (Yet Another Bulletin Board) system hosted by the .NET Platform. YaBB .NET 1.0 License - GNU General Public License (GPL)
MadConf is not "yet another build configuration system" it is just a collection of M4 and Makefile snippets for GNU Autotools in order to help programmers to write their configuration files. madconf 1.0 License - GNU General Public License (GPL)