Try FreeCAD one more time, if you haven't tried 1.0+, and it might stick. I've finally, in the past 6 months moved all my work to FreeCAD and KiCad after trying both many times over the past decades.
I highly recommend watching one of MangoJelly's beginner videos for FreeCAD, even if you have CAD experience. It made it very clear how to adapt my Fusion360 skills.
What plant software is being shown in the animation at the top of the page? I've been hunting for something to simulate plant growth and that looks interesting!
I wrote WhoaLife ( https://github.com/vonnieda/WhoaLife ) when OhLife shut down. It's self hosted for privacy and designed for Heroku Free Tier. Takes about 15 minutes and no code to deploy.
I've been using it since OhLife shut down and it completely fills the gap for me.
I recently modernized the code a bit, ported it from Mongo to Postgres and improved the selection of the random entry that is sent to you, but I haven't pushed those changes yet. They'll go out in the next week or so.
I highly recommend watching one of MangoJelly's beginner videos for FreeCAD, even if you have CAD experience. It made it very clear how to adapt my Fusion360 skills.