Editing O'Reilly Open Source Convention (section)

{{short description|1999–2019 American annual free and open-source software convention}}
{{Infobox convention
| name       = O'Reilly Open Source Convention
| logo       =
| image      = [[File:OSCON 2010.jpg|200px|alt=OSCON flag]]
| caption    = OSCON flag
| status     = Inactive
| genre      = Open Source (mainly software)
| venue      = 
| location   = Portland, Oregon <small>(with exceptions)</small>
| country    = United States
| first      = {{Start date and age|1999}}
| last       = {{Start date and age|2019}}
| founder    =
| organizer  = [[O'Reilly Media]]
| filing     = 
| attendance = 
| website    = {{url|http://www.oscon.com}}
}}
[[File:Robin Hanson at OSCON 2007.jpg|thumbnail|220px|[[Robin Hanson]] at OSCON 2007]]
[[File:OSCON Ubuntu-US-CA 072309 01.ogv|thumbnail|220px|Overview of OSCON 2009]]
[[File:Michal Migurski, Tim O'Reilly and Jared Smith.jpg|thumbnail|220px|[[Michal Migurski]], [[Tim O'Reilly]], and Jared Smith at OSCON 2013]]

The '''O'Reilly Open Source Convention''' ('''OSCON''') was an American annual [[Convention (meeting)|convention]] for the discussion of [[free and open-source software]]. It was organized by publisher [[O'Reilly Media]] and was held each summer, mostly in [[Portland, Oregon]], from 1999 to 2019.