Building at a Hacktoberfest Hack Day? Here's what's waiting for you 🎃

👕 2026 t-shirts, stickers, and swag
🤖 Arduinos at select Hack Days
🏆 Prizes for the best demos

All while supplies last. Find a Hack Day near you at Hacktoberfest.com

Weekend plans? We have over 100 events happening worldwide.

Find your Fest at hacktoberfest.com

Open source is built on a simple idea: what you learn, you share. 🎃

What's one thing you've learned from contributing that could help the next first-timer?

Some hackers found a nice surprise under their chairs at DubHacks over the weekend.

Courtesy of @arduino 💙

Looking for more ways to participate in Hacktoberfest?

Join us online this week for another great lineup of streams.

See the full schedule at hacktoberfest.com/schedule/

Where are you building this weekend?

Find your Fest at hacktoberfest.com

Looking for more ways to participate in Hacktoberfest?

Join us online this week for another great lineup of streams.

See the full schedule at hacktoberfest.com/schedule/

Can't attend Hacktoberfest in-person?

Join us online this weekend for an exciting lineup of streams.

See the full schedule at hacktoberfest.com/schedule/

The weekend is coming up! Do you know where you're hacking?

Find your Fest: hacktoberfest.com

Can’t join a Hacktoberfest event in person? Join an online stream!

Find the streams at hacktoberfest.com/schedule

First Hacktoberfest? Here's how to get ready 🎃

1. Sign in with MyMLH
2. Find a Fest near you or join online
3. Collect 3 virtual stickers to earn a swag pack

This year it's all about building with open-source AI.

hacktoberfest.com

We want to give a huge shout out to some of our hosts! This year, we have over 400 in-person events happening worldwide and it's the people that make each one memorable.

Thank you all so much for your hard work.

Find a Fest near you or apply to host at hacktoberfest.com

Did we say Hacktoberfest has 300 in-person events this year?

WE MEANT 400!!!!!

Find a Fest near you: hacktoberfest.com/fests/

Hacktoberfest 2026 is officially live!

This year, we're focused on open-weight model and open-source AI. We've got over 300+ events, livestreams, challenges, and free swag for participants all month long.

Learn more about our vision and how the celebration has evolved: blog.mlh.com/everything-you…

Hacktoberfest 2026 kicks off next weekend on October 1st and there 60+ events happening around the world.

Find your Fest and register today: hacktoberfest.com/fests/

Hosting a Hack Day just got a little bit sweeter.

Select Hack Days will now receive free Arduino UNO Qs while supplies last.

If you've been considering hosting a Hack Day, this is your sign.

Apply today: hacktoberfest.com/host/

Hacktoberfest Meetups and Hack Days are happening all over the world this October. If you don't see your community represented, lead the open-source AI movement in your city yourself! Applications to host are approved on a rolling basis. Apply at hacktoberfest.com/host

This year, we're bringing Hacktoberfest to over 300 communities worldwide.

Apply now to host a Hack Day or a Meet Up: hacktoberfest.com/host/

Does your city have a Fest?

No stage, budget, or committee needed. Just a room and people who want to build.
Stickers, swag, funding, and support are on us.

Sign up to host a fest: hacktoberfest.com

It's officially Preptember! 🎃

We're spending the month getting ready for Hacktoberfest and we're looking for hosts all around the world.

Meetup group, uni club, or some coworkers with a conference room? That's enough.

dev.to/mlh/preptember…

You came, you saw, you hacked. Now it's time to celebrate. 🎉👾

Join us as we wrap-up #Hacktoberfest2025 with stories from contributors, highlights from this year’s projects, fun contests, & a final chance to win swag. 🔗 do.co/47vXCZB

Thanks to everyone who participated in our Karachi Hackathon & our sponsor @Cloudways! 👾

20 teams joined us for technical sessions on the latest in #AI & to hack some amazing #OpenSource projects using the @digitalocean Gradient™ AI Agentic Cloud.

Ready to join the #OpenSource community? Git started with these labels. 😉👾💻

Register here & start pulling. 🔗 do.co/3FfBxV4

Hacktoberfest SF = Open Source + AI + builders 🌁👨‍💻👩‍💻🚀

Thanks to @MLHacks, @auth0, & @PythagoraAI for powering the magic! ✨

@drako_rexon @digitalocean @MLHacks

The Hacktoberfest hype was real in Hyderabad. 👾🇮🇳

Huge thank you to @harnessio, @LitmusChaos, & everyone who came to build with us. We're just getting started!

Pune showed up & showed out! From beginners to experienced contributors, you made it special. ✨

Special shoutout to @SaprooShrawan for helping us put together an amazing hackathon. 🌊👏

@digitalocean @AishwaryGathe @yashsharma_f @KaranTo87995288 Live footage of broken code rn

@dzienko @digitalocean @holopin_

@AnkitTalukder @digitalocean @holopin_

@Anand_Raut9 @digitalocean

@obinazo29181 @digitalocean @holopin_

@fussa_rwxrwxrwx @digitalocean @holopin_

Bengaluru, you showed up, built, and inspired! 💯

Over 70 devs, countless ideas, and one mission: To build real-world AI solutions with open source at the @digitalocean #Hacktoberfest Hackathon. 🌊

Shout-out to @MLHacks, @okta, & @auth0 for an amazing partnership. 🤝

Mile High energy! ⛰️🌩️

Big thanks to @MLHacks + @okta + @laravelphp for an amazing @digitalocean #Hacktoberfest hackathon in Denver. 📍

@dianasoyster & @chrissev 📸

Are you a #Developer in Denver? Come to the next one. 🗓️👇

Just wrapped an awesome @digitalocean #Hacktoberfest hackathon in NYC with @MLHacks + @okta! 🌊💻👾

@SwiftAlphaOne, @jonmarkgo, @itsaydrian, @amit, & @bedabratabagchi 📸

If you're a #Developer in New York, join our Meetup group to see what’s next. 🗓️👇

Missed the livestream? No problem. 👾

We're hosting in person & virtual events all month long. Check out our full list of events & join in on the fun. 🔗 do.co/487On3L

@Abhinav_Bansal_ @digitalocean

#Hacktoberfest2025 is on! 🎉

It all kicks off today at 9 AM ET with our official livestream. Join us to hear from global voices, compete in contests, & snag limited-edition swag. Don't miss out! 🔗 do.co/487On3L

We're kicking off #Hacktoberfest2025 with a bang. 💥👾☁️

Join us on October 1st & start our month long #OpenSource celebration with DigitalOcean developers & guest speakers. Register now! 🔗 do.co/487On3L

@niveditjain @exospherehost

Tick tock, it's registration o'clock! 👾☁️⏱️

We're less than a week away from #Hacktoberfest2025 & you won't want to miss it. 🔗 do.co/3FfBxV4 x.com/digitalocean/s…

@MdShahzebAlam @adityaoberai