Glaxnimate is a simple and fast vector graphics animation program.
OpenToonz
Nā lako polokalamu no ka hana ʻana i ka animation 2D.
Tupitube
ʻO Tupitube (ʻikeʻiaʻo Tupif 2D) kahi polokalamu manuahi a weheʻiaʻo 2d animation
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.