Eh, pull requests can actually create a lot of work for an OSS project, especially if they are not very good. So make sure the project wants your help, you understand what they want, and opt for quality over the number of pull requests.
My two most recent pull requests were for README's that were out of date with the code (e.g. CLI options that were removed, examples code that doesn't work). These are just as helpful.
We're doing 24 Pull requests again this year, last year 881 developers submitted 3210 pull requests to 1521 different open source projects, which was a great success.
I think more people might take part if it was less intense. It's going to be hard to learn multiple code bases and submit a meaningful pull request every day if you're full-time employed. 12 days of Christmas, 12 pull requests!
As I've stated elsewhere, I've come across a ton of out-of-date documentation on projects. Just submitting a one or two line change to a README that has wrong information is helpful. For example:
Another thing that I've found severely lacking is examples of complex data setups in ember-data. I'm currently working on a complex app in Ember, but don't have the outside time to boil my misgivings into examples (yet).
Yeah, but you still need to learn how the project works to update the docs. If you're a contributor 8 different projects already, then it might not be too unrealistic to submit 3 pull requests for each over the course of 24 days. But if somebody already knows their way around 8 open source projects then this initiative probably isn't aimed at them.
A plea to the site developers: on the "Suggest a Project" page, please expand the whitelist of allowed programming languages in the mandatory "Main language" field. It is currently impossible to suggest any project whose main language is, for example, D, Nimrod, or Rust.
I would suggest reusing Github's own master list of languages, as displayed in the "Other: Languages" dropdown on https://github.com/trending .
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Just signed up. I've only made a couple of very minor contributions to OSS projects before and want to contribute more. This seems like a good place to start and the fact that it's actually suggested projects based on my known languages is helpful.