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Upstream 2021

A one-day celebration of open source, the developers who use it, and the maintainers who make it.

Meet us at the source on June 7, 2021

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A 100% virtual, completely free event bringing together like-minded application developers, open source project maintainers, and the extended network of people who care most about their work.

Meet and learn from the maintainers of popular open source libraries you use today
Explore today's most exciting and innovative open source projects across JavaScript, Python, Java, Ruby, and more
Gain exposure to new ideas from those using open source to develop applications at scale

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About Upstream

Open source is an amazing testament to human ingenuity.


We don’t often stop and take the time to celebrate what we—the creators and users of open source—have made together and the impact it has on our world.

So let’s stop and do exactly that!

On June 7, 2021, please join us for Upstream, a new one-day celebration of open source, the developers who use it, and the maintainers who create it. This 100% virtual, completely free event will bring together like-minded application developers, open source project maintainers, and the extended network of people who care most about their work.

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Do you have an interesting story to share at Upstream? We are accepting applications for presentations until May 4.

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