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 5,119 Members 1,153,829 Interested 390,498 Cities 1,057 Countries 103

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

11,501
HTML5 Enthusiasts
2

The NYC NoSQL & NewSQL Group (formerly known as The NYC MySQL Group) is the world’s largest database Meetup! Official URL: www.NYCSQL.com Learn amazing new data tech from technology creators, founders & tech execs CEO / CTO / CIO / VP. All of our p

7,341
Data Enthusiasts
3

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

6,799
Google Developers
4

Meet other local Python Programming Language enthusiasts!

6,155
Python Programmers and Users
5

The Hive Big Data Think Tank brings together experts and visionaries from academia and the industry in : - Visualization, data infrastructure, and data science - Applications that leverage Big Data in areas such as advertising, marketing, eCommerce,­

5,868
Data Bees
6

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

5,534
Members
7

Visit TechinMotionEvents.com Welcome! Tech in Motion is broad by design, the goal of this group is to be interactive and allow technology enthusiasts to learn from other professionals, have questions answered in real-time, discover new tech, and hea

5,478
New York Techies
8

Hackers + Designers + Entrepreneurs = Code Crew! Passionate about learning how to code, creating beautiful designs or building the prototype for your business idea and tired of doing it alone? Then this is the group for you! This is the perfect group

5,406
Swabbies
9

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

5,111
Pythonistas
10

Become A Member of TechXploration & Enter Into A Draw to Win IPad mini!  Join Now! To encourage more newmembers to join this highly rated meetup, we are running a promotion this month to attract new members to the meetup. This month, we will draw* o

4,619
Xplorers

Newest Meetup Groups

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November 27, 2014

A London based Hackathon for people interested in gaming, technology and/or education. We meet once every three months and eat, drink and stay merry while brainstorming about technology, games and education in a fun and creative environment.

1
Member
November 27, 2014

devbeers is an event focused on getting developers and beers together. Get away from your desk for a little while, join us for some beer and talk about your favorite or most hated programming language.

1
Member
November 27, 2014

Vienna AngularJS Master Class is going to be a meetup for teaching the full MEAN.js stack (MongoDB, ExpressJS, AngularJS, Node.js) and Mobile Development with Angular and Phonegap. The class is going to start from scratch and It will give solid foun

1
Member
November 26, 2014

The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model. The DataStax Cassandra SF User Group is a highly awesome

1
Member
November 26, 2014

A Meetup for Drupal users, site builders, developers, and enthusiasts, based in Chiang Mai, Thailand. We welcome Drupalists of all levels, from those looking to build their first Drupal site, to seasoned enterprise level developers. Join us to be par

8
Drupalists
November 26, 2014

Meet other developers and ops engineers using Docker. Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications. Consisting of Docker Engine, a portable, lightweight runtime and packaging tool, and Docke

2
Dockers
November 26, 2014

Silicon Alley isn't the only tech hub in NYC anymore! People working in tech downtown should have an opportunity to meet, collaborate, and share with each other all about the great projects they are involved in. Anyone working in tech downtown should

4
NYC Tech Peeps
November 26, 2014

In this group, we will observe and discuss various technologies and consider how to apply them in our business / lives today. We will observe some of the following tech topics: • Task Automation (web based, desktop and physical world) • 3rd Party AP

1
Member
November 26, 2014

The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model. The Orange Country Cassandra Users Group is a highly awe

3
Rebels
November 26, 2014

Meet other developers and ops engineers using Docker. Docker is an open platform for developers and sysadmins to build, ship, and run distributed applications. Consisting of Docker Engine, a portable, lightweight runtime and packaging tool, and Docke

15
Dockers
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