• Must be an event that someone involved in open source would be interested in attending
• Must be a community oriented event (no corporate owned for-profit events here please)
• Can't be about a specific language/framework.

Leave suggestions in the comments below

• SF, NYC
• http://codeneuro.org/
• "Bringing neuroscience and data science together"

• Portland, OR
• http://opensourcebridge.org/
• "The Conference For Open Source Citizens"

• Wellington, NZ
• http://www.opensourceopensociety.com/
• "OS//OS is a two-day gathering of bright minds and communities from open technology, open government, open business and open education"

• Hamburg, Germany
• http://www.ccc.de/en/
• "The Chaos Computer Club e. V. (CCC) is Europe's Largest association of hackers."

• Berlin, Germany (next one not scheduled yet)
• http://maxogden.github.io/csvconf.com/
• "A conference for data makers"

• Berlin, Germany
• http://dtn.is
• "Terra nemo is a Latin expression meaning "No man's land". In this context we describe systems and protocols without centralized ownership and how they impact the landscape of the internet."

• Minneapolis, MN
• http://srccon.org/
• "Two days of building better newsroom code, culture, and process—together."

• Boston, MA
• http://openvisconf.com
• "OpenVis Conf is a two-day, single track conference about the practice of visualizing data on the web. "

• Vancouver, CA
• http://www.polyglotconf.com/
• "Polyglot is a "non-denominational" software development un-conference event that encourages software developers and operators from different stacks, backgrounds and with different opinions to come together for one day of spontaneous sharing, teaching and learning."

• Oakland, CA
• https://aspirationtech.org/events/devsummit15
• "interactive festival of people who are passionate about co-developing technology to support the work of nonprofit and community organizations."

• London, UK
• http://mozillafestival.org
• "MozFest is a yearly festival with hundreds of passionate people exploring the Web, learning together, and making things that can change the world. It's very hands-on and immersive. Sometimes it will feel chaotic, but everyone is open-minded and eager to help you make and learn with them."