MuPO (Multi-Purpose-Organizer) is a powerful PIM application for desktop and PDA systems. It features a hierarchical todo-list and notes, appointments, a project-time recorder, a calendar, recurring items, and more. It is fully searchable, and it includes a tool to sync several mupo-files. You can use it on an Agenda PDA, Compaq iPaq, or on a PC running Linux or Windows. Items can be encrypted.
Conten Board for Desktop and Handheld allows you to maintain articles on your Web site from a desktop or handheld device. The articles can be viewed from a desktop browser, PDA browser, or other PDA software. It has been tested on Palmscape, Handspring Blazer, and iSilo (using Sony Clie).
Copper is a Web-based project management software tool designed to help creative teams manage clients, projects, tasks, files, budgets, and events. It has an HTML/AJAX front end. It is available with full source for a licence fee or as a SAAS hosted service (compatible with iPhone, but available via PC/Mac/Linux and a Web browser).
MyNewspaper is a Web-based personal RSS/ATOM news aggregator and feed reader written in Python 3. It incorporates its own Web server and stores all the information in a database; it's very easy to install and use, and powerful enough for most users. It can be completely controlled with the keyboard. It has an adapted Web interface for mobile devices.
Mobile RSS Reader is a J2ME (Java ME) MIDP application that is able to read most RSS servers and feed versions. RSS is a lightweight XML format designed for sharing headlines and other content like blogs and news. The data are stored on the mobile device and updated on request. It supports most encodings. It can import and synchronize RSS feed lists using formats and filter feeds based on name and URL. All/modified feeds can be updated with a single command. The zip file contains all versions for MIDP 1.0 devices, MIDP 2.0 devices without JSR-75, and MIDP 2.0 with JSR-75 devices.