Everyone needs access to information, but we cannot trust the megacorps to distribute important information, nor ensure our freedom of speech and the press. It is our responsibilities to share and reshare information, whether by downloading, reblogging or remixing. If there are tools you believe should be added to this list, let me know.
digiKam is an advanced open-source digital photo management application that runs on Linux, Windows, and MacOS. The application provides a comprehensive set of tools for importing, managing, editing, and sharing photos and raw files.
Krita is a professional FREE and open source painting program. It is made by artists that want to see affordable art tools for everyone.
Kdenlive is an acronym for KDE Non-Linear Video Editor. It is primarily aimed at the GNU/Linux platform but also works on BSD and MacOS. It is currently being ported to Windows as a GSOC project.