The organization of events happens on the QGIS wiki.
Pre-2016 events are listed below:
The 16th QGIS Developer Meeting from 21 - 23 August and 27 - 28 August took place in Bonn, Germany together with the FOSS4G 2016 Code Sprint before and after the conference.
The 15th QGIS Developer Meeting from 27 - 29 May 2016 took place in Girona, Spain right after the 2nd International QGIS User and Developer Conference and the Jornadas SIG Libre.
For a summary of the event, please see http://blog.qgis.org/2016/06/30/report-back-15th-qgis-hackfest-in-girona-spain/
The 14th QGIS Developer Meeting from 5 -8 November 2015 was organised by:
Universidad de las Palmas de Gran Canaria.
Oficina de Software libre de la Universidad de las Palmas de Gran Canaria.
Ayuntamiento de las Palmas de Gran Canaria.
Спасибо всем! Особая благодарность Pablo Fernández Moniz и его команде за усилия по организации этой встречи.
The 13th QGIS Developer Meeting from 18 -22 May 2015 organized in conjunction with the first QGIS User Conference 2015.
Many thanks to our sponsors!
University of Copenhagen
OSGeo
See also:
12-я встреча разработчиков QGIS 02 - 05 октября 2014 г. была организована Geoinformatikbüro Dassau и проводилась во второй раз в Linuxhotel в Эссене, Германия. Linuxhotel предоставил место встречи, доступ в интернет, проживание и завтрак на очень умеренных условиях. Это прекрасное место, и мы очень благодарны им за организацию и помощь в проведении встречи.
We also want to thank our gold sponsor`ASIA AIR SURVEY <http://www.asiaairsurvey.com/>`_, our silver sponsors G.A.I.A. mbH, and State of Vorarlberg, the German FOSSGIS e.V. for sponsoring this event explicitly with 1500 Euros and the many people who have donated sums large and small to the QGIS project.
See also:
10-я встреча разработчиков QGIS, проходившая 12 - 16 сентября 2013 г., была организована Lutra Consulting и прошла в Университете Сассекса, Брайтон, Великобритания. Университет любезно предоставил помещение и выход в интернет. Мы очень благодарны им за организацию и помощь в проведении встречи.
Кроме того, мы хотим поблагодарить нашего золотого спонсора ASIA AIR SURVEY, наших серебряных спонсоров G.A.I.A. mbH, федеральную землю Форальберг и немецкую FOSSGIS e.V. за финансирование этого мероприятия в размере 1500 евро, а также всех людей, пожертвовавших большие и малые суммы проекту QGIS.
The 9th QGIS Developer Meeting from 11 - 14 April, 2013 was held in Valmiera Latvia.
Many thanks to our sponsors!
The 8th QGIS Developer Meeting from 3 - 7 October 2012, was held in Essen, Germany.
Many thanks to our sponsors!
The 7th QGIS Developer Meeting from 12 - 16 April 2012, was held in Lyon, France.
Many thanks to our sponsors!
QGIS Swiss user group
The 6th QGIS Developer Meeting from 10 - 14 November 2011 was organised by QGIS Swiss User Group and and held at Institute of Cartography, ETH Zurich The Institute sponsored the venue and internet access. We are extremely grateful to them for organising and helping us to make the whole event went very smoothly.
The 5th QGIS Developer Meeting from 14 - 18 April 2011 was held in Lisbon, Portugal. This meeting was organized by Vânia Neves and Giovanni Manghi (Faunalia.pt) and MUNICIPIA. The event was be partially supported by MUNICIPIA and by the local OSGeo chapter.
University of Lisbon, Institute of Geography and Land Management provided the venue.
The 4th QGIS Developer Meeting from 11 - 15 November 2010 was held in Wroclaw, Poland.
Many thanks to our sponsors!
Department of Climatology and Atmosphere Protection of the University of Wroclaw provided the venue
The 3rd QGIS Developer Meeting from 18- 22 March 2010 was held in Pisa, Tuscany, Italy.
Many thanks to our sponsors!
GFOSS.it added an euro for each euro of donations and manages all the expenses without overhead
The Parco Naturale di San Rossore generously allowed us to use its facilities
The GULP, Gruppo Utenti Linux Pisa, helped organizing the event
The 2nd QGIS Developer Meeting from 5 - 9 November 2009 was held in Vienna, Austria.
Many thanks to our sponsors!
Institute of Surveying, Remote Sensing and Land Information provided the venue
FOSSGIS e.V. for donating 500€ to support the developers
The 1st QGIS Developer Meeting from 19 - 22 March 2009 was held in Hannover, Germany.
Many thanks to our sponsors!
German FOSSGIS e.V. sponsors the meeting with 500 Euro.
Institute of Environmental Planning, Hannover provided the venue
nature-consult provides technical equipment