@TerryHancock yeah, that's why I explicitly excluded licenses from my question

@cgranade @juliaferraioli Why not include Apple WebKit then? Gecko/Firefox might be too obvious...

Oh, I'd nominate the release of Elephant's Dream (the first Blender Open Movie)!

@juliaferraioli Cygnus forking GCC - and then having it win out was huge. Showed the power of forking to work for good.

@juliaferraioli great question! The SCO lawsuit and trial seems like a pretty big deal.

@juliaferraioli the UK’s Government Digital Service (GDS) bringing open source and user centred agile development right into the heart of public service, an approach since replicated all over the world.

@juliaferraioli OpenOffice.org (now LibreOffice) in 2000 and the inception of ODF in 2001.


Chrome / Chromium?
VS Code?

Both examples of huge companies really embracing OSS in a big way...

@juliaferraioli Oh, and there’s Oracle’s acquisition of Sun, which led to Oracle vs Google. I’d expect @webmink would have something to say on this (and many other things besides)

@juliaferraioli besides the obvious choices most recent ones might be negative ones. simply because old ones were easy to pin down. GNU, POSIX, Linux Kernel, Major Distros, etc...

but nowadays many things happen at once, people cooperate and the are less single bit milestones of progress. it is a constant one.

but microsoft aquiring github for example was a major moment. even though a negative one imo.

@juliaferraioli Times when founders of big projects (e.g., Django, Python) stepped down while deliberately switching from a BDFL model to something more sustainable

2006: Chris Ball and Hanna Wallach blog.printf.net/articles/2006/ set up what turns into Outreachy harihareswara.net/posts/2015/t

@juliaferraioli If I recall the story correctly: the Hudson maintainer not getting the email that they needed to change their hosting configuration (because of some IT shuffling after Oracle's purchase of Sun), thinking that they'd been booted, and forking to Jenkins?

@juliaferraioli The Drizzle project. Now nearly forgotten, it was the first project that did gated commits and enforced pre-merge CI checks. OpenStack, Kubernetes and everything else copied that approach, establishing what we now consider the standard of collaborative open source software development.


I think it's also worth noting the founding of Wikipedia (2001) and the Creative Commons (2002), when people began to accept that "open source" ought to apply to more than just programs.

I personally remember those conversations and arguments very intensely. I remember a number of special pleading that "software was different" and that "artists wouldn't share their work" in the same ways.

Some of that seems laughable, today.

I think human languages were the first, most important, open source projects. I realize this answer probably isn't useful for your purposes but:
a) I wanted to go on record with this thought;
b) I truly think that it affords a useful perspective in understanding what we *call* open source; and
c) I bet Larry Wall would agree with me.

@juliaferraioli The one that's a slow burn that will prove crucial is the promulgation of the OSR in 2006. HTTPS://opensource.org/osr

@juliaferraioli Less settled, but very interesting, is the adoption of codes of conduct by many FOSS communities in recent years. That’s a Master’s thesis’ worth of material right there (though not sure in which subject 🙃)

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