Welcome, opening remarks, and logistics

Kathryn Berger is a Lead Data Scientist within the UK government's Department for Science, Innovation, and Technology (DSIT).

This hands-on workshop will introduce users to the QGIS Model Designer, used to automate processing in QGIS. They will create a simple model from scratch, using three or four processes, and covering:
- inputs and algorithms
- model management
- documentation
Delegates will be provided with sample data and a completed model.

This hands-on workshop introduces EarthCODE, guiding participants through accessing EO data, running scalable analyses with tools like Xarray and Dask, and publishing reproducible experiments. Attendees will gain practical skills to use EarthCODE in their projects and shape its future through feedback.

This talk introduces Terra Route, a lightweight, zero-dependency TypeScript library for routing on GeoJSON networks. It explores its design, performance, and real-world use, including fast client-side multi-stop routing with Terra Draw—offering a flexible, serverless alternative to traditional compiled routing tools in the JavaScript geospatial ecosystem.

This research leverages open-source tools (PostGIS, pgRouting) to assess indirect flood risks—power outages and road isolation—for businesses in England and Wales that are not directly at risk of flooding. It supports Rebalance Earth’s sustainable investment strategy by revealing overlooked secondary impacts of flooding.

With many UK drivers lacking off-street parking for home chargers, range and charge anxiety persists, despite increasing capabilities of Electric Vehicles (EVs). This talk will share insights into how Mapbox tailors navigation services to the specific needs of EV drivers; through range prediction, charger discovery and proactive charging recommendations.

The paper contends that the current GIS ontology is not effective for N-dimensional data sets and proposes a mesh-based ontology that is complete and consistent.

This talk shows how TfL Cycle Hire data and the Mapbox Directions API can be used to estimate shared bike journeys. With H3 spatial aggregation and visualisation in QGIS and Tableau Public, the analysis reveals common routes, hotspots, and infrastructure needs.

Geospatial development often struggles with bulky environments, dependency confusion, and the overhead of package managers like conda. In this talk, we’ll explore how switching to Pixi - a lightweight, fast, and reproducible manager - is a smart move for developers working with Python and complex geospatial stacks.

DigiMapper is a data-driven urban planning tool that analyses geotagged social media and public sentiment to identify leisure hubs in London. Combining machine learning, NLP, and GIS, it enables planners to visualise urban activity patterns, generate reports, and make informed, community-aligned development decisions in real time.

This technical presentation offers an overview of GDAL/OGR, powerful and often underrated open-source data manipulation tools, drawing on over 20 years of experience. A new, more consistent, and documented command line interface is now available.

Learn how to take your QGIS projects into the field and work collaboratively with Mergin Maps.

Try out new methods for getting access to data from space into your geospatial workflows using the Earth Observation DataHub.

OME has been developed by Idox Geospatial for EuroGeographics. We'll share their journey from licenced to open data, using our open-source back end tech stack, the MapCloud and share our approach to styling and publication of data using OGC standards to massively increase data use.

This talk will present our progress in spatial representation learning across several widely used geospatial data sources, gradually leading to our recent work on developing geospatial foundation models, particularly models pretrained using OpenStreetMap.

A short summary of MapAction's humanitarian work, and how you can support it.

A case study on how the British Antarctic Survey are improving access to polar data, and maps.

A short documentary that follows four women scientists as they lead glacier expeditions, mentor youth, and show what it means to measure and map the Earth through both science and lived experience. A story about representation, climate justice, and how we connect to place through data, care, and community.

This talk explores the potential of open source and AI-driven geospatial workflows to unlock and structure historic planning data. It will present an approach for extracting text, identifying meaningful spatial and semantic information, and linking that to modern geospatial frameworks for exploration and analysis.

Exploring how Idox uses QGIS and other FOSS tools and technologies to build its Local Plans dataset (and other MapCloud data). We'll present our processes, share how we build robust data assets, show key use cases and demonstrate how we maintain and commercialise this key data at scale.

Somehow I accidentally became an expert in British World War Two coordinate systems. I'll describe how this happened, and how it led to some new collaborations, historical research, and a QGIS plugin.

Annual General Meeting of OSGeo:UK

With a dynamic entrepreneurial spirit spanning 17 years, Mariam has been the driving force behind the growth of numerous tech startups. Mariam’s roles as CEO, Board Member, and Strategist have consistently led to the transformation of innovative technology companies from startup to scaleup.

Alasdair has worked in geographic data analysis for more than 20 years and loves thinking about how to analyse and map things.

The cloud has made it easier than ever to build powerful, scalable geospatial applications — but knowing where to start, and which technologies to use, remains a challenge.

It's estimated that ~12% of the UK follows a gluten free diet, yet no free UK-focussed gluten free map app existed... until this year - this is the story of how blood, sweat, tears and open source helped us create it, without any previous mapping experience.

Learn to generate vector tiles for web maps live from PostGIS with pg_tileserv, enabling dynamic web maps and geospatial analyses without pre-generating tiles. We’ll apply this to analyse flood risk in Leeds, and access to cloud servers will be provided, so no need to install anything to participate.

Configure and deploy geospatial datasets, API, and web mapping interfaces in the cloud for free using GEOLYTIX XYZ/MAPP.
The data can be stored in a neon.tech cloud database.
The service can be deployed to serverless function via vercel.
The configuration can be managed via Github Codespaces.

This project applies open-source GIS tools to extend and quantify prior qualitative research on how park design affects safety perceptions for women and girls.

Multispectral imagery, like Sentinel-2, is well known, with many high-resolution options now available. But what is hyperspectral, and why the growing hype? This talk explores hyperspectral fundamentals, its rising commercial potential, and why it could transform Earth observation.

This talk introduces EarthCODE, ESA's FAIR and open science ecosystem for Earth Observation. EarthCODE empowers researchers to create reproducible workflows, share ESA research data and code openly, and federate services across platforms. Built on FAIR principles, it drives collaborative Earth science using open-source technologies and community-driven innovation.

This session looks at how Esri's Location Services can be integrated with open-source platforms like Leaflet and Cesium via the ArcGIS Location Platform. As an example, we'll look at a web app that helps users plan an enjoyable day-hike in the Scottish Highlands.

I'll take a virtual tour of Leeds landmarks represented in Overture's places, buildings, and transportation themes, enhancing these foundational datasets by linking with external sources like business reviews, historical records, and transit data. Attendees will learn practical approaches for implementing GERS in their own data integration projects.

Finding a way through the myriad options for creating hillshades in QGIS. This talk details the use of plugins (MapTiler, Relief Visualisation Toolbox, etc.) and built-in tools for sourcing terrain data and creating professional cartographic hillshades. The blend modes trilogy concludes with some stunning maps!

Learn how to model and visualise access to services using open, multimodal and network-based routing techniques. This hands-on workshop demonstrates an end-to-end workflow for generating travel-time catchments and analysing spatial accessibility using open-source geospatial tools.

This introductory workshop covers essential web accessibility principles for researchers creating public web applications, particularly geospatial tools. No prior accessibility experience required. Learn basic inclusive design practices, practical implementation techniques, and be inspired to put accessibility first when designing applications!

If you think standards are boring and abstract and have little relevance to your day job, this talk will try to persuade you otherwise!

Remote sensing today is drowning in hype - from AI-powered everything to constellations of cubesats promising miracles from orbit. We’ll look at the buzzwords, broken promises, and cloud-based optimism that flood EO right now.
With the sector more dynamic and exciting than ever, is it worth the hype?

A discussion in regards to OSGeo:UK proposal for hosting an international FOSS4G event in the UK.

This presentation demonstrates how Cloud Optimised Geotiffs can improve access to LiDAR data, providing benefits for both the data provider and the end user, through a demonstration of better-open-data.com

This workshop teaches sustainable open-source dashboard development using free tools with a focus on long-term archival strategies. Participants learn about accessible, maintainable dashboards that survive project funding cycles through proper documentation, containerisation, and community-driven maintenance approaches, ensuring content remains available beyond initial development periods.

PostGIS views are amazing, allowing PG admins to do more with data. During this session we will explore some simple, and more complex PG views that can make life a lot easier. We will also explore some of the pitfalls and gotchas of views

Over the past 10 years open source geospatial software and platforms have matured beyond recognition, and become almost ubiquitous across markets and disciplines. In this talk, we'll take a commercial perspective on what this means for the industry and explore where the next decade might take us.

PostgreSQL provides support for Event Triggers which allow custom logic to be executed when database objects are updated. These can be used to automate some of the database administration related to QGIS styles and managing raster data.

CE Geotech's journey towards open source GIS to tackle the challenges and limitations of commercial GIS platforms in an industry setting.

The QGIS Browser has undergone many recent improvements to make managing data and QGIS projects in Postgres easier. In this talk we'll go over these improvements but also look back at the history of the Browser and its DB Manager plugin counterpart.

Building on our presentation at Southampton in 2022, we are excited to announce the release of GIFramework Maps and demonstrate its capabilities live. Additionally, we are thrilled to introduce two upcoming open-source projects: a tool for managing countryside infrastructure and our latest advancements in flood reporting.

With 20+ years of open-source experience, we offer a flexible commercial support model, from on-demand help to comprehensive annual support with proactive monitoring. Attendees (users and other suppliers) will learn how tailored support empowers confident open-source adoption, fostering a sustainable future.

Finland’s Food Authority modernised CAP delivery using FOSS4G tools and machine learning, integrating GeoServer, QGIS, and satellite data for efficient land management, subsidy control, and automated monitoring. This case study highlights open source geospatial workflows, legacy integration, and sustainable spatial databases—offering insights for public sector transformation.

Summary and wrap up from LOC