These tools exist to help lower the barrier of entry to web development (and encourage a fast and productive workflow using 'old boring' technologies)
These tools have helped me make a living over the years and I'm making them publicly available so that others may benefit as well.
All open source software is derivative, and these projects all 'stand on the shoulders of giants' and we thank them for their work.
These tools wouldn't be possible without the collaborative work of hundreds (thousands) of contributors to various projects, many of whom have never met.
It's this collaboration and willingness to work for 'free' on 'passion' projects with complete strangers that gives software much of its super powers in the 21st century.
It's people helping people.
Anyway I'm not actively 'contributing to open source', but you could be a friend on GitLab:
GitHub sucks for ethical reasons, but you could be a friend there too: