What makes these repositories open source is that they are editable by the public, which encourages you, the Hack Club community, to come together and work on code socially.
I find the "work on code socially" part a bit odd. What if it read "collaborate on code socially"? So it would now read:
What makes these repositories open source is that they are editable by the public, which encourages you, the Hack Club community, to come together and collaborate on code socially.
In the top paragraph, it says
I find the "work on code socially" part a bit odd. What if it read "collaborate on code socially"? So it would now read: