A group, lead by the team at IKANOW, devoted to the use and development of open source, big data, agile intelligence solutions, for the DC/Metro area. Join our group if interested in solving real business problems utilizing open source, big data solutions.

Xykon hosts hands-on workshops and get-togethers looking at Drupal, CiviCRM, and other open source applications. We want you to join us for some of them or give us your opinion on how these meetups can improve.

Welcome to the Eucalyptus Cloud User Group! We are here to bring together developers, architects, sysadmins, devops people, enterprises, start-ups... basically anyone interested in various possibilities of private and hybrid cloud solutions. Being an Open Source IaaS cloud platform means not only open source code but also open source ideas and communication. We will organize hackathons for code and hackathons for ideas. Eucalyptus is the world's most widely deployed open source cloud computing s …

Creating a portlet.  Allowing your site to be found in search hits.  Optimizing your Lucene search queries.  Managing your web content.  The opportunities and challenges of implementing an open source portal server in the federal government and commercial spaces. Covering Liferay and its related technologies (Lucene, jBPM, JackRabbit, SOLR, Alfresco, REST, Velocity).

The Infinit.e User Group is a forum for Infinit.e users, prospective users, and partners to gather and discuss best practices for implementing Infinit.e, document discovery and analysis use cases and examples, Open Source software, and network. Membership in the Infinit.e User Group is open to anyone interested in the Infinit.e platform, document discovery and analysis, and Open Source software and like Hadoop, elasticsearch, and MongoDB regardless of technical proficiency.

The Open Web Application Security Project (OWASP) is an open-source application security project led by The OWASP Foundation, a professional association of global members that is open to anyone interested in learning more about software security. The OWASP community works to create freely-available articles, methodologies, documentation, tools, and technologies. There is no bar for entry. Whether you are interested in security, would like to hear from professionals in the industry, simply netwo …

An OpenStack DC Group for the Washington, DC metro area. Technologists, entrepreneurs, investors, government, or corporate employees are encouraged to join in this exciting and very promising world of open source cloud computing called OpenStack (http://openstack.org/).  Let's OpenStack & learn together.  We will be known as the OpenStackers. Are you interested in deploying a Private, Community, Public and/or a Hybrid cloud in the Washington, DC metro area or do you just want to learn or teach? …

Meet and learn from other PHP Developers in the Baltimore area! Come to a PHP Meetup to exchange ideas, talk about code, architecture, innovation, and open source technologies and projects in general. Anyone interested in PHP or it's surrounding technologies is welcome! We meet on the Third Wednesday of every month at 6:30pm! Find us online: Website: http://www.baltimorephp.org Facebook: http://www.facebook.com/group.php?gid=153308396924&ref=ts Twitter: http://twitter.com/baltimorephp Go …

This group is a place for developers to learn more about the non-relational, open source, document-oriented database MongoDB. MongoDB is the leading NoSQL database and many people are interested in learning more about it. So if you are facing challenges with MySQL or Postgres or Oracle and want to explore a more flexible, scalable, and fun alternative, please join us at one of our monthly sessions.

This is the group of Apache Accumulo users and developers local to DC / VA / MD. Apache Accumulo is a scalable, open source BigTable implementation written in Java with cell-level security and server-side processing. Join us!

DC Perl Mongers meets monthly to celebrate and share Perl and related (generally open-source) technologies and cultures. Perl is a programming language which excels at text manipulation, and is additionally used for all sorts of software development. Also check out our website/wiki - http://dc.pm.org/ We primarily communicate via our mailing list. To subscribe, send an email to majordomo@lists.pm.org with "subscribe dc" in the body of the message (no subject necessary). You may then send mail to …

We want to collaborate with developers, designers, businessfolk, and innovators to build a partnership between business and the open source community for the future. Peeps are encouraged to find inspiration, confront new challenges, share their expertise, renew bonds to the community, make significant connections, and find ways to give back to tech movement.

We are DC-area technology entrepreneurs and innovators who want to build viable and vibrant business based on hardware, whether electronic, mechanical, or other. Atoms are the new bits: We believe that the time is ripe for a new wave of entrepreneurship in hardware in the United States and worldwide. Lean startup / pretotype methodologies: Thanks to inexpensive contract manufacturing, domestic and overseas, 3D printing, programmable hardware, and an Internet to propagate ideas, the principles of …

This group is a way for the DCPHP Developers' Group to stay in touch and provide a source of information on what we're up to. Sign up for our mailing list for PHP discussion and more meeting info. Recruiters are welcome to post to that mailing list provided jobs are PHP-related and the subject line begins with [job].

This Washington DC group is for everyone interested in Web Design, Graphics, Software Development as well as in networking, building online businesses and achieving one's Big Dream. Sometimes only a few web designer show up, therefore, we collaborate with similar groups which will meet at this same event for more new contacts, better networking, fun and mutual support. We appreciate the awesome leadership of Jonathan Perrelli, Adam Zuckerman and others at thefort.vc and foster.ly to facilitate e …

A group of database technologists that discuss data technology of all types, but with a focus on the PostgreSQL relational database. Open to developers, admins, and engineers of all types!

We are Tech in Motion: Washington DC. This is a group for all DC tech lovers and enthusiasts. Whether you are an entry-level programmer, an expert in the field, an open-minded entrepreneur, or just a hobbyist- we’d love to have you. We will be having regular meetups on anything and everything that we think will interest the tech community. This is a group for the people, by the people, so if you have any suggestions on topics or presenters, let us know! Thank you for joining, and stay tuned for …

We're a newbie-friendly Clojure user group oriented around talking about, learning about, and hacking on this awesome functional programming language on the JVM. We strive for openness and accessibility to all levels of experience. Our only prerequisites are an interest in building your skills in and furthering your understanding of Clojure, and your willingness to encourage and enable your peers to do the same. We also maintain a GoogleGroups list. You should consider joining this list if you w …

There are many good sources of information about G. I. Gurdjieff and his teaching. We would rather meet you in person than give you more things to read. We have found in experience that face-to-face work with a group of companions is essential to practicing the teaching. Our study takes the forms of discussion, meditation, practical work together, and sacred dance. Please send an inquiry if you like.  Look us up on Facebook as the Maryland Gurdjieff Society. Or check out our website, a work in p …

*New Baltimore Linux meetup* Let's meetup to share knowledge, ideas, and best practices with Linux through speakers, workshops, and industry experts. All levels of Linux proficiency are welcome. Meetups will be held quarterly at Advertising.com on the Under Armour campus in Locust Point. All meetings are free to attend with snacks and beer provided. If you have a topic you would like to share or suggest, reach out to paris.pittman@teamaol.com.

The recent wave of interest in semantic technology has led to the growing popularity of Semantic Meetups in US and around the world. The purpose of local Meetup is to provide a forum for newcomers to learn about the foundational technologies of the Semantic Web [] and for the well versed to keep up on industry trends and share their experiences.  Discuss topics will cover a broad range of subject matter that includes OWL, RDF, SPARQL, RIF, Open Linked data, semantics in the enterprise, rules, in …

Are you a hardware or software engineer longing for something interesting to work on? Would you like to meet other engineers to discuss projects, hobbies, interests and possible collaboration. If so this is the Meetup group for you.

This group offers an exchange of ideas, examples, support & answers regarding WordPress. Discussion will focus on: Using WordPress for blogging WordPress as a content management system Theme design and creation Plugin development Customization and implementations

This is a meetup group for those in the DC area who like maps, GIS, OpenStreetMap, cartography and anything in between. Started out of June 2011's WhereCamp DC, this group aims to keep the DC geo enthusiasts connected to each other for learning and socializing and probably some drinking. You can follow us on twitter at @geo_dc, and join our Google Group where we have discussion and post announcements between meetups.

Our objective is to create a great resource for AngularJS learning, and a fun, worthwhile meetup community. We have some exciting things planned—more casual, more interactive, less presentation. We're looking for participation and a comfortable environment for learning. Feel free to bring laptops, projects, and questions. Monthly meetings may include: Uses of Angular: 5-30 min presentations on your projects - potentially "lightening round" style or long form, all in on session or broken across …

We're in Washington, D.C., we love Wikipedia and Wikimedia, and our vision is to empower individuals around the world through free access to the sum of human knowledge! We get together for various reasons, like taking some amazing pictures for Wikimedia Commons, expanding articles on Wikipedia so that people can learn from them, or discussing various issues related to Internet, culture, art, museums, libraries, history, or whatever we'd like to discuss. And we're done, we make sure the whole wor …

LOPSA DC is the DC chapter of the League of Professional System Administrators (LOPSA), a local group created for system administators in the DC Metro area. LOPSA is a nonprofit corporation based out of New Jersey with members throughout the world with the mission of advancing the practice of system administration; to support, recognize, educate, and encourage its practitioners; and to serve the public through education and outreach on system administration issues. While membership in LOPSA is e …

This is a group for anyone interested in learning to program. I'm trying to teach myself Ruby/Ruby on Rails/Git/general programming and I feel like it would be more fun in a group. I would love to meet regularly and work through a beginner book or building a program. Please let me know if you're interested in joining me!