Interestingly, Blender was originally proprietary, and was open-sourced after it...

glandium on Feb 17, 2018 | parent | context | favorite | on: Ask HN: What software is so good you are surprised...

Interestingly, Blender was originally proprietary, and was open-sourced after its parent company went bankrupt, and only after money was raised from the open-source crowd (before crowdfunding was a thing).