Call for Proposals

• November 2nd

• Classroom-style room layout with tables and power access for computers

• 3 hours AM or PM sessions (time set by Program Committee)

Workshops may be:

• Beginner, intermediate, or advanced

• Tool-focused, workflow-focused, or application-focused

We strongly encourage interactive, hands-on formats where participants can follow along on their own devices.

• November 3-4

• Auditorium-style room layout with podium, projector, and microphone

• 30 Minutes

  • 20 minutes for presenting

  • 5 minutes for questions

  • 5 minutes for attendees to switch rooms

If you have developed a free and open source project related to geospatial technologies, if you have implemented a FOSS4G solution or product, or participated in a project that uses FOSS, we invite you to participate by submitting a proposal.

• November 2-3

• Auditorium-style room layout with podium, projector, and microphone

• These are ideal for:

  • New ideas or early-stage work

  • Project highlights

  • Quick demos or insights

  • Community announcements

• November 3-4

• Max size allowed is 34"x44"

This track is for presentations that go under the hood — covering how tools work, how systems are built, or how specific methods are implemented. Proposals in this track should lead with code, architecture, algorithms, or technical workflows rather than outcomes or impact.

Strong fits include a workshop walking through PostGIS spatial analysis functions, a podium talk on optimizing tile serving with PMTiles, a lightning talk on a new GDAL driver, or a poster comparing the performance of different routing engines.

This track is for presentations centered on what was built and why it mattered — real deployments, workflows, or projects that used open source geospatial tools to solve a concrete problem. The emphasis is on the problem, the context, and the results rather than the technical internals.

Strong fits include a podium talk on using QGIS and OpenStreetMap to support disaster response logistics, a workshop on building a public-facing flood risk map with open data, a lightning talk on a city's switch from proprietary GIS to an open stack, or a poster showing a conservation land prioritization analysis.

This track is for presentations that grapple with the harder questions of how open source geospatial projects survive and thrive — funding models, organizational governance, vendor relationships, licensing, and the tension between open and commercial.

Strong fits include a podium talk on how a nonprofit funds core FOSS4G infrastructure, a lightning talk on dual-licensing trade-offs, a workshop on writing grant proposals for open source projects, or a poster comparing governance models across major geospatial foundations.

This track is for presentations about how people work together, learn, and grow within the open source geospatial ecosystem. Proposals here focus on people, process, and shared knowledge rather than specific tools or deployments.

Strong fits include a podium talk on building a regional OSM mapping community, a workshop on getting started contributing to an open source project, a lightning talk on lessons learned running a university GIS open lab, or a poster on emerging standards and how practitioners are adopting them.