Two free and open source contenders have already achieved particularly widespread acclaim for their strength and usability--LibreOffice and OpenOffice.org--but this week saw the launch of a third.

Announced on Wednesday, is the first official version of an integrated suite of applications designed to cover a broad range of office, creative, and management needs. Here are a few details about what its creators are promising:

Comprehensive and Free

"This is the end of a very long journey that started over a year ago and has now lead up to the first stable release of Calligra," wrote the Calligra team's Inge Wallin in the official . "It's the most comprehensive free suite of applications anywhere and we expect the number of applications to grow as the project matures."

Based on the , Calligra is an effort by the community and is available as a free in both mobile and desktop versions for Windows, , and a variety of .