Glaxnimate is a simple and fast vector graphics animation program.
OpenToonz
Software for the production of 2D animation.
Tupitube
TupiTube ('nehe conocido komongu Tupi 2D) ge 'nar software animación 2D gratuito ne código abierto nä'ä mi centra ja ar usabilidad pa ya bätsi, bätsi ne artistas aficionados.
qStopMotion
qStopMotion is a fork of stopmotion for Linux.
Enve
Enve is a new open-source 2D animation software for Linux.
VPaint
A glimpse into the future of Graphic Design and 2D Animation
Synfig
Professional open-source 2D Animation Software for Linux.