latex is a high-quality typesetting system; it includes features designed for the production of technical and scientific documentation.

the official home page of the apache openoffice open source project, home of openoffice writer, calc, impress, draw and base.

gimp - the gnu image manipulation program: the free and open source image editor

inkscape is professional quality vector graphics software which runs on linux, mac os x and windows desktop computers.

github brings together the world’s largest community of developers to discover, share, and build better software. from open source projects to private team repositories, we’re your all-in-one platform for collaborative development.