VCStudio and Blender-Organizer are free-software packages for organizing animated project. Primarily to work with Blender3D. It's written in python and distributed as a set of scripts. So in theory with little work you can make it run on any OS. It's licensed with a GNU GPLv2 license. Primarily developer of the project (2018 - 2020) is J.Y.Amihud (also known as Blender Dumbass). Some projects done with this software may include I'm Not Even Human, The Package, The Car & The Time Is Running Out and Moria's Race.