Calligra is an integrated suite of applications that cover office, creative, and management needs. It offers applications on both desktop computers and mobile platforms like tablets and smartphones. OpenDocument Format (ODF) is used, making it compatible with OpenOffice.org, LibreOffice, and Microsoft Office. Calligra Suite contains the following applications: Calligra Words (word processor), Sheets (spreadsheets), Stage (presentations), Flow (diagrams and flowcharts), Kexi (visual database creator), Braindump (note taking), Plan (project management), Krita (drawing), and Karbon (vector graphics).
GNU TeXmacs is a free wysiwyw (what you see is what you want) editing platform with special features for scientists. The software aims to provide a unified and user friendly framework for editing structured documents with different types of content: text, mathematics, graphics, interactive content. TeXmacs can also be used as an interface to many external systems for computer algebra, numerical analysis, and statistics. New presentation styles can be written by the user and new features can be added to the editor using Scheme.
Notes/Tasks is a GTD compatible multi-platform note and task manager. The focus is on quick, intuitive access to any note or task by project or full text search. It features synchronization with notestasks.com, giving you free access to your notes and tasks from anywhere via the Web.
TextMaker is a word processor that launches quickly, needs little memory, does not require complicated setup, and has the full feature set of a modern high-end word processor. It reads and writes Microsoft Word 6/95/97/2000/XP, and Word 2003 files, and is available for Linux, Sharp Zaurus, and FreeBSD.
The WollMux is an OpenOffice.org plugin with enhanced template, form, and autotext functionality. It can construct templates on the fly from multiple files (e.g. letterhead, footer, and body text) and will fill in personal and organizational data from various databases such as LDAP. An extra form GUI presents fields in an easily navigable manner and offers plausibility checks and computed values to ease filling in the form. Chainable printing functions allow various transformations during print and custom dialogs.