Calibre
E-book library management E-book library management: Convert, view, share, catalogue all your e-books

FBReader
E-book reader E-book reader

FocusWriter
Fullscreen Word Processor Write stories without distractions

GoldenDict
Feature-rich dictionary lookup program

Gramps
Manage genealogical information, perform genealogical research and analysis

LibreOffice
Database Development Manage databases, create queries and reports to track and manage your information by using Base.

OpenOffice.org
Database Development Manage databases, create queries and reports to track and manage your information by using Base.

PDF-Shuffler
PDF Merging, Rearranging, Splitting, Rotating and Cropping

RedNotebook
Journal Daily journal with calendar, templates and keyword searching

WikidPad

aBiblia
Holy Bible Open Source

gLabels
Create labels, business cards and media covers

AbiWord
Word Processor Compose, edit, and view documents