DIY Zoning is a set of tools and instructions for controlling a state-of-the-art HVAC (Heating, Ventilation, and Air Conditioning) system. It covers airflow balancing, temperature control and zoning, energy conservation measures, remote access, 1-wire devices, and home automation.
Jukebox is a collection of reusable components that allow you to create a flexible server-side and middleware framework. It features semaphores and services (not quite your usual set), a Finite State Machine implementation based on Generics, a Datastream framework (data producers, consumers and loggers), and a JDK 1.6 compliant JMX framework based on Annotations.
JRecord allows you to read legacy, fixed width, and delimited flat files in Java. Files are interpreted via a Record-Layout (file description), which can be COBOL, XML, or CSV. The package provides an editor to edit files using the record layout, a wizard to build XML layouts from a files contents, and a formatted file compare that uses the layout in the compare process.
StupidZombie is a tool that can be used to "ping" several directories to notify then about a blog update. It does not need to be run from a Web page like Blogger or Wordpress. You can run StupidZombie from a cron job or using Java WebStart. Also, StupidZombie has a simple tag generator from directories that support it.
EasyGIS is a simple way to share and publish geographic data. It presents a number of core features that allow you to share and publish geographic localized data sets on the Web. It has a simple Web user interface for integration with external data and service providers to prepare so-called GIS mashups. Built-in support for Google Maps and OpenStreetMap serves as a good basement for thematic mapping. All system services are exposed via a RESTful API. With the REST Web resources, external clients can leverage the search and map rendering functionality, embedding the resources into external applications and sites.
jbookshelf is an electronic book collection organizer and reader. It supports collecting plain files (text, HTML, PDF, etc.), has basic collection search, fulltext collection search (planned), internal viewers for plain text, HTML, RTF, and PDF, notes and citations, book categories, FB2 support (planned), and portability (removable drives support) (planned).