open source developers who believe in open source have been, and we collectively owe them a lot. However, there's a lot of pretend open source out there that's

open source developers who believe in open source have been, and we collectively owe them a lot. However, there's a lot of pretend open source out there that's just trend-chasing - either corporations that are trying to exploit the community by "open sourcing" but not documenting or supporting their products, or by developers looking to make a reputation for themselves but who don't really have anything valuable to provide. Linux? Yes. Spring? Not so much.