Open Source Meetup Groups

Meet others in your local area who want to join the Open Source Revolution! Gather to discuss the benefits of using and developing open source software.

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Groups 1,158 Members 253,628 Interested 42,498 Cities 357 Countries 40

Largest Meetup Groups

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1

Welcome to the San Francisco HTML User Group (also known as THE Largest HTML5 User Group in the World)! We are enthusiasts of HTML5, CSS3, JavaScript, and related cutting-edge web technologies. We meet monthly with the industry's leading experts who

4,238
HTML5 Enthusiasts
2

The Silicon Valley Google Technology User Group meets on the first Wednesday of the month at the GooglePlex in Mountain View. Our meetings will always be free and open to the general public. However, we may have to limit attendance based on interest

3,778
Google Technology Users
3

  At the San Francisco JUG you get to meet other local Java professionals and talk about code, architecture, innovation, opportunities, and share ideas about real-world problems. Our meetings are technically focused and often include expert speak

3,326
Java Developers
4

Boston PHP is the largest and most active PHP community in the world. We are a lot more than PHP! We have been meeting since 2002. We have over 2,500 members, and usually meet every month on a Wednesday. We have a wide range of topics all related to

2,844
Members
5

  We are an interactive group of Android developers and contractors discussing trends in technology, business, and job outlook. Our meetings are technical but also people-oriented. We encourage both front presentation, group discussion, as well

2,792
Android Developers
6

This NYC MySQL Group is the world’s largest database group organized on Meetup! HD-Video of our previous events is regularly published on the IT Management & Leadership eMagazine (www.LeadIT.us) We are here to help new and seasoned users alike; join

2,653
MySQL Users
7

The London Java Community (LJC) is a group of Java Enthusiasts who are interested in benefiting from shared knowledge in the industry. Through our forum and regular meetings you can keep in touch with the latest industry developments, learn new Java

2,435
Java Developers
8

The IGT is a non-profit organization of leading industry companies, vendors, ISVs, customers, VCs and academia, focused on knowledge sharing and networking for developing Cloud computing/SaaS, BIG Data and SmartGrid solutions. It is open, independent

2,433
Members
9

This group was started in April of 2003. We switched from java.net to meetup.com at the beginning of 2009. This Java User Group (JUG) is for anyone interested in learning more about JEE web application development. We meet at Google in Mountain View,

Meetup topics:
2,324
Java Developers
10

This is a social networking group for NYC area Java developers, managers, recruiters, basically anyone with an interest in Java technologies. We feature technical presentations. Feel free to bring a presentation, a demo, flyers, make an announcement

2,264
Java enthusiasts

Newest Meetup Groups

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May 25, 2012

We're a group of iPhone and Android users, developers, enthusiasts, and entrepreneurs willing to share, teach, and learn about all Apple/Android-related topics! Come to a meetup to exchange ideas, talk about code, architecture, and innovation! Anyone

2
DoverCoders
May 25, 2012

The Philadelphia Talend Meetup Group is dedicated to learning and exchanging Talend best practices expanding the use of Talend's open source ETL tools.

1
Member
May 25, 2012

Meet with developers, engineers and business people who are users of Varnish cache and want to share knowledge or just want to learn more about how Varnish can help a website scale up and run faster.

7
Varnishers
May 25, 2012

MongoDB pune User group is community of developers, hackers , database administrators , entrepreneurs . Join us for meet up !

1
Member
May 25, 2012

Grupo de usuarios de Groovy/Grails/Griffon/Gr* de Madrid.

10
grooviers
May 24, 2012

CloudCamp is an unconference where early adopters of Cloud Computing technologies exchange ideas. At CloudCamp, you are encouraged you to share your thoughts in several open discussions, as we strive for the advancement of Cloud Computing. End users,

1
Member
May 24, 2012

The Boston Ember.js Meetup; eat, drink and hack!

6
Members
May 23, 2012

A group dedicated to the federal community supporting the efforts in Charleston, SC where Open Source / Hadoop are key to the Big Data movement.

1
Member
May 23, 2012

Campus Party is the largest global technology festival where innovation, creativity, science and digital entertainment come together 24 hours a day for an entire week. We strive to create the largest geek community on earth, and encourage these campu

55
Campuseros
May 22, 2012

We are a community of tech creators (programmers, designers, etc.) focused around startups, learning, work, community, and fun. The only requirement for being a member, besides being a tech creator, is a willingness to collaborate / participate. You

23
Developers and Designers

Cities with the most people interested in Open Source Meetups

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332 interested
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130 interested
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97 interested
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88 interested
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81 interested
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Find a Open Source Meetup Group near you