It would be nice if we had more well-understood funding models for software. The games industry has some interesting ideas eg: Unity - free community version,

It would be nice if we had more well-understood funding models for software. The games industry has some interesting ideas eg: Unity - free community version, pay monthly for extra features and to remove the splash screen, option to stop paying and keep license but stop receiving updates UE4 - free, source code is on github (but not FOSS), takes 5% of your gross revenue after first $3000 Lumberyard - free, source code available (but not FOSS), you must either run your own private servers or use AWS