The internationally acclaimed Free and Open Source Software for Geospatial (FOSS4G) conference is OSGeo’s annual global conference held in a different city around the world each year since 2004. The annual FOSS4G conference is the largest global gathering focused on open source geospatial software. Regularly attracting over 1000 attendees, FOSS4G brings together developers, users, decision‐makers and observers from a broad spectrum of organisations and fields of operation. Through six days of workshops, presentations, discussions and networking, participants create effective and relevant geospatial products, standards and protocols.

• Host: OSGeo;
• Dates: 24th to 29th August 2020;
• Location: TELUS Convention Centre, Calgary, Alberta, Canada;
• Contact: emmanuel.stefanakis@ucalgary.ca;
• Website: http://2020.foss4g.org/

自2004年以来，OSGeo每年都在全球不同城市举行一次国际知名的地理空间自由开源软件（FOSS4G）会议。每年一次的FOSS4G会议是专注于开源地理空间软件的最大的全球聚会。FOSS4G定期吸引1000多名与会者，聚集了来自各种组织和运营领域的开发人员，用户，决策者和观察员。通过为期六天的研讨会，演示，讨论和联网，参与者可以创建有效且相关的地理空间产品，标准和协议。

• 主持人： OSGeo；
• 日期： 2020年8月24日至29日;
• 地点：加拿大艾伯塔省卡尔加里TELUS会议中心；
• 联系人： emmanuel.stefanakis@ucalgary.ca；
• 网站： http ： //2020.foss4g.org/