Hacktoberfest
@hacktoberfest.com
The official account for Hacktoberfest powered by @mlh.com and
@dev.to. Presented by @digitalocean.com.
@dev.to. Presented by @digitalocean.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
Thank you all so much for your hard work.
Find a Fest near you or apply to host at hacktoberfest.com
October 2, 2026 at 7:56 PM
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
Thank you all so much for your hard work.
Find a Fest near you or apply to host at hacktoberfest.com
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-y...
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-y...
October 1, 2026 at 4:41 PM
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-y...
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-y...
Hacktoberfest 2026 starts tomorrow!
Join us live where we’ll share what’s new, how to take part at a Fest or online, and how to start collecting stickers.
It’s free, it’s for everyone, and it all starts here.
Tune in: twitch.tv/mlh
Join us live where we’ll share what’s new, how to take part at a Fest or online, and how to start collecting stickers.
It’s free, it’s for everyone, and it all starts here.
Tune in: twitch.tv/mlh
September 30, 2026 at 9:18 PM
Hacktoberfest 2026 starts tomorrow!
Join us live where we’ll share what’s new, how to take part at a Fest or online, and how to start collecting stickers.
It’s free, it’s for everyone, and it all starts here.
Tune in: twitch.tv/mlh
Join us live where we’ll share what’s new, how to take part at a Fest or online, and how to start collecting stickers.
It’s free, it’s for everyone, and it all starts here.
Tune in: twitch.tv/mlh
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/
Find your Fest and register today: hacktoberfest.com/fests/
September 26, 2026 at 3:00 AM
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/
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/
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/
September 25, 2026 at 8:48 PM
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/
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/
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/
Apply now to host a Hack Day or a Meet Up: hacktoberfest.com/host/
September 21, 2026 at 8:32 PM
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/
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
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
September 3, 2026 at 7:48 PM
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
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/preptemb...
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/preptemb...
September 1, 2026 at 7:30 PM
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/preptemb...
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/preptemb...
We're back for Hacktoberfest 2026!
This year, we're not counting PRs. Instead, we’re hosting 300+ in-person “Fests” and an online event all about building with open-source and open-weight AI.
Learn more and see how you can get involved.
hacktoberfest.com
This year, we're not counting PRs. Instead, we’re hosting 300+ in-person “Fests” and an online event all about building with open-source and open-weight AI.
Learn more and see how you can get involved.
hacktoberfest.com
Hacktoberfest 2026 | AI belongs to everyone
300+ in-person Fests plus a global online event, all about building with open source AI. Join a Fest near you this October.
hacktoberfest.com
August 19, 2026 at 4:20 PM
We're back for Hacktoberfest 2026!
This year, we're not counting PRs. Instead, we’re hosting 300+ in-person “Fests” and an online event all about building with open-source and open-weight AI.
Learn more and see how you can get involved.
hacktoberfest.com
This year, we're not counting PRs. Instead, we’re hosting 300+ in-person “Fests” and an online event all about building with open-source and open-weight AI.
Learn more and see how you can get involved.
hacktoberfest.com
We're already halfway through Hacktoberfest—how are your contributions going? It's not too late to get started!
Share with the community how you've been involved in Hacktoberfest, contributing to or maintaining projects, through DEV's writing challenge: dev.to/challenges/h...
Share with the community how you've been involved in Hacktoberfest, contributing to or maintaining projects, through DEV's writing challenge: dev.to/challenges/h...
Hacktoberfest Writing Challenge - DEV Challenge — DEV Community
Hacktoberfest Writing Challenge
dev.to
October 14, 2024 at 2:05 PM
We're already halfway through Hacktoberfest—how are your contributions going? It's not too late to get started!
Share with the community how you've been involved in Hacktoberfest, contributing to or maintaining projects, through DEV's writing challenge: dev.to/challenges/h...
Share with the community how you've been involved in Hacktoberfest, contributing to or maintaining projects, through DEV's writing challenge: dev.to/challenges/h...
Start submitting your pull/merge requests, Hacktoberfest is here! If you haven't already, make sure you've registered for Hacktoberfest so that your PR/MRs created + accepted throughout October can be tracked. Get started: hacktoberfest.com/participation
Participation | Hacktoberfest 2024
Hacktoberfest: a month-long celebration of open-source projects, their maintainers, and the entire community of contributors.
hacktoberfest.com
October 1, 2024 at 12:55 PM
Start submitting your pull/merge requests, Hacktoberfest is here! If you haven't already, make sure you've registered for Hacktoberfest so that your PR/MRs created + accepted throughout October can be tracked. Get started: hacktoberfest.com/participation
Hacktoberfest 2024 registration is live NOW! Get registered and get ready to start hacking when pull/merge request tracking starts on October 1. See you there! hacktoberfest.com/register
Register | Hacktoberfest 2024
Hacktoberfest: a month-long celebration of open-source projects, their maintainers, and the entire community of contributors.
hacktoberfest.com
September 23, 2024 at 12:05 PM
Hacktoberfest 2024 registration is live NOW! Get registered and get ready to start hacking when pull/merge request tracking starts on October 1. See you there! hacktoberfest.com/register
Hacktoberfest is approaching, just a few days now until registrations open. Planning on hosting a Hacktoberfest event or meetup this year? Take a look at our event resources and make sure to register your event with MLH so that everyone knows about it! hacktoberfest.com/events
Events | Hacktoberfest 2024
Hacktoberfest: a month-long celebration of open-source projects, their maintainers, and the entire community of contributors.
hacktoberfest.com
September 20, 2024 at 1:05 PM
Hacktoberfest is approaching, just a few days now until registrations open. Planning on hosting a Hacktoberfest event or meetup this year? Take a look at our event resources and make sure to register your event with MLH so that everyone knows about it! hacktoberfest.com/events
Get ready to celebrate open-source once again with Hacktoberfest! Whether you're going to be creating pull/merge requests, maintaining a participating project, or hosting a community event, check out the site for all the information you'll need: hacktoberfest.com
Hacktoberfest 2024
Hacktoberfest: a month-long celebration of open-source projects, their maintainers, and the entire community of contributors.
hacktoberfest.com
September 3, 2024 at 4:45 PM
Get ready to celebrate open-source once again with Hacktoberfest! Whether you're going to be creating pull/merge requests, maintaining a participating project, or hosting a community event, check out the site for all the information you'll need: hacktoberfest.com
Final call for sponsors for Hacktoberfest 2024 (yes, it's happening!). If you're interested in sponsoring Hacktoberfest this year at any level, now's your final chance to reach out to the team via [email protected] (robots: don't email us).
July 23, 2024 at 7:15 PM
Final call for sponsors for Hacktoberfest 2024 (yes, it's happening!). If you're interested in sponsoring Hacktoberfest this year at any level, now's your final chance to reach out to the team via [email protected] (robots: don't email us).
Less than a week left to get your pull/merge requests in for Hacktoberfest! Remember, focus on quality, not quantity -- make meaningful contributions. The first 50k folks with a PR/MR accepted will have a tree planted in their name. Get started: hacktoberfest.com
Hacktoberfest 2023
Hacktoberfest: a month-long celebration of open-source projects, their maintainers, and the entire community of contributors.
hacktoberfest.com
October 25, 2023 at 10:05 PM
Less than a week left to get your pull/merge requests in for Hacktoberfest! Remember, focus on quality, not quantity -- make meaningful contributions. The first 50k folks with a PR/MR accepted will have a tree planted in their name. Get started: hacktoberfest.com
Hacktoberfest has begun, and we hope you're ready to contribute to open-source! Look for projects with the 'hacktoberfest' topic and make high-quality contributions to them. Join our Discord to discover projects, meet other participants, and get help: discord.gg/hacktoberfest
Join the Hacktoberfest Discord Server!
A month-long celebration of open-source projects, their maintainers, and the entire community of contributors. | 64099 members
discord.gg
October 2, 2023 at 5:00 PM
Hacktoberfest has begun, and we hope you're ready to contribute to open-source! Look for projects with the 'hacktoberfest' topic and make high-quality contributions to them. Join our Discord to discover projects, meet other participants, and get help: discord.gg/hacktoberfest
Registration for Hacktoberfest 2023 is now live! Link your GitHub or GitLab account and get your profile ready to go to track your pull/merge requests on October 1st. hacktoberfest.com/auth/
Auth | Hacktoberfest 2023
Hacktoberfest: a month-long celebration of open-source projects, their maintainers, and the entire community of contributors.
hacktoberfest.com
September 26, 2023 at 12:11 PM
Registration for Hacktoberfest 2023 is now live! Link your GitHub or GitLab account and get your profile ready to go to track your pull/merge requests on October 1st. hacktoberfest.com/auth/
Hacktoberfest 2023 is nearly here! Check out the site to learn more about what to expect this year, from the change in rewards to hosting community events and participating in Hacktoberfest: hacktoberfest.com
Hacktoberfest 2023
Hacktoberfest: a month-long celebration of open-source projects, their maintainers, and the entire community of contributors.
hacktoberfest.com
September 1, 2023 at 4:50 PM
Hacktoberfest 2023 is nearly here! Check out the site to learn more about what to expect this year, from the change in rewards to hosting community events and participating in Hacktoberfest: hacktoberfest.com