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 1,969 Members 494,948 Interested 132,601 Cities 532 Countries 69

Largest Meetup Groups

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1

Welcome to the San Francisco HTML5 User Group—the largest HTML5 Meetup in the World! We have free monthly events in San Francisco with presentations by the industry's leading experts in HTML5, CSS3, JavaScript, and other cutting-edge web technologies

7,491
HTML5 Enthusiasts
2

Google Developer Group Silicon Valley 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 and the si

4,917
Google Developers
3

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) and on the Database Month (http://www.DBMonth.com) webs

4,726
MySQL Users
4

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 speakers o

4,361
Java Developers
5

The IGTCloud – the Israeli Cloud Organization, is a non-profit organization of leading industry companies, startups, ISVs, customers, vendors, VCs and academia, focused on innovation, knowledge sharing and networking for developing Cloud computing/Sa

3,977
Members
6

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 as ge

3,846
Android Developers
7

Welcome! Boston Python is the world's largest local Python user group.  Meet other local Python developers, learners, employers, and enthusiasts of all kinds.  All skill levels are welcome, if you are interested in Python, we are interested in you! W

3,545
Pythonistas
8

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

3,329
Java Developers
9

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 3,200 members, and usually meet every month on a Wednesday. We have a wide range of topics all related to

3,306
Members
10

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:
3,268
Java Developers

Newest Meetup Groups

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June 18, 2013

The goal of the Providence Drupal Meetup is to help develop not only the community of designers and developers who know Drupal, but to introduce business and site owners to one of the most mature open source content management systems out there. Our

2
Members
June 18, 2013
Private

The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's column family-based data model. Let's get together and share what we know.

2
Members
June 18, 2013

If you're interested in the new breed of databases -- Riak, MongoDB, Cassandra and others -- and you want to learn more about them and chat with others about NoSQL and big data, come and join our group. We'll have regular meet-ups in and near to Bir

2
datanauts
June 18, 2013

Warsaw Ruby Users Group aka WRUG - Ruby, Javascript and other great programming languages enthusiasts meetup in Warsaw.

1
Member
June 17, 2013

Developers and enthusiast interested in promoting diversity and education in the Python development community.

5
pythonistas
June 17, 2013

Anyone with an interrest in Python is welcome; no matter if you have never written a line of python, are an expert pythonista, or the BDFL himself.

1
Member
June 17, 2013

This group is to meet perl developers,open source contributors and plan for YAPC::India

11
Indian Perl Mongers
June 17, 2013

Calling all programmers! Programming languages don't get enough In this group attendees can expect to join a forum where any and all features of a language are open for discussion, with the end goal of improving the groups knowledge as a whole. At la

4
Programmers
June 16, 2013

This is a group for anyone interested in continuing to develop expertise in new technologies. We will focus in on a single subject for 2-3 weeks, and everyone will contribute and collaborate to learning and teaching this subject. The goal is to mor

5
Continuous Learners
June 16, 2013

This is a group for anyone interested in technology, entrepreneurship, leadership, web design, etc. We will have a different focus for each meetup. I started this group because I would like to foster growth in the technology community around the West

10
Techies

Cities with the most people interested in Open Source Meetups

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1,191 interested
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685 interested
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469 interested
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436 interested
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379 interested
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351 interested
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333 interested
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326 interested
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277 interested
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258 interested
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241 interested
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218 interested
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208 interested
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