fuzzylite is a fuzzy logic control library. Its goal is to allow you to easily create fuzzy logic controllers in a few steps utilizing object-oriented programming without requiring any third-party libraries. qtfuzzylite is a Qt-based GUI for fuzzylite. Its goal is to allow you to visually design your fuzzylite controllers and interact with them in real time.
peak-o-mat is a data analysis and curve fitting program. It was designed to fit spectroscopic data but should be suited for any other fitting task. It allows for clearing, transforming, fitting, calibrating, etc. of spectra with few mouse clicks. It can be scripted using the Python language and can be extended by writing modules.
phpLogin is a user login and authentication module for the phpNova framework. It contains all user authentication-related tasks and UI. Dependencies include: phpSession, phpHash, and phpSQL. This module is part of the phpNova framework for PHP, which is currently in the alpha stages of development.
Libgda is a (relatively small) database access library. It provides a wrapper like ODBC but with more features for accessing several database engines, a general data model for use with CSV or XML files, a metadata extractor that retrieves information about database objects in a common way, and a SQL console application (like mysql, psql or sqlite3 consoles).
Data Validator is a class to validate a set of values based on a list of rules. It supports the following validation orders: sequence (fields validated sequentially), all-at-once, and both (using a dependencies model). It can embed different user-defined validation rules libraries (a default built-in library is provided).
Form Saver is a PHP class which fills form inputs with submitted values. It can capture the output of the current page with a form template to extract the list of inputs, process and extract the values of a just-submitted form, and alter the form template to insert submitted input values. The processed form template is output to show the form filled with the submitted values.