Postgres community is one example to look at, that I can think of. Linux may be ...

		gurjeet 59 days ago \| parent \| context \| favorite \| on: Why it took 4 years to get a lock files specificat... Postgres community is one example to look at, that I can think of. Linux may be other, but I'm not intimately aware of its inner workings. https://www.postgresql.org/community/ is a good start to get a feel of all things related to Postgres community.