Open Source Python System Software

ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.

This library makes SRV records in DNS simple to use; actually, due to the fallback for classical connection mechanisms, it makes building a network connection in general extremely simple.

The Stakker project aims to develop Linux drivers and GUI CD management applications with a SQL backend for CD/DVD library/archiving boxes. The Dutch word "Stakker" means "poor blighter" (says babelfish) :-). Imation Stakka works, CD-300 not yet.

vmm is the easy to use and configurable command line tool for administrators and postmasters, to manage domains, alias-domains, accounts and relocated mail users. It allows the fast and easy management of mail servers. vmm is written in Python. It's designed for installations using Dovecot and Postfix with a PostgreSQL backend.