Powering the World's Maps on OSGeo - Open Source Geospatial Foundation

52°North SOS

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Actinia

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Awards & Recognition

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Award

Sol Katz Award for Geospatial Free and Open Source Software

The Sol Katz Award is OSGeo’s highest honor, presented annually to individuals who have demonstrated leadership and dedication to the open source geospatial community.

About Sol Katz

Sol Katz was a pioneering developer at the U.S. Bureau of Land Management who dedicated his career to promoting open standards and sharing code. He believed that taxpayer-funded software should be freely available to everyone. Sol passed away in 1999, but his spirit of generosity and collaboration lives on through this award.

Board and Officers

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OSGeo Charter Members elect a 9 member Board of Directors who appoint officers and work together set the vision and goals for the Foundation. The Board empowers a set of committees and volunteers to execute on these goals.

Board

Board of Directors

Jeroen Ticheler

President

Wageningen, The Netherlands

president@osgeo.org

Tom Kralidis

Vice-President North America & System Administration Liaison

Brand Guidelines

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Identity

OSGeo Brand Identity

The OSGeo brand represents our commitment to open source geospatial software. These guidelines ensure consistent use of our identity across all contexts.

Logo

The OSGeo logo features a compass rose design symbolizing geographic orientation and navigation.

Primary Logo

For light backgrounds

White Logo

For dark backgrounds

Bylaws

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Bylaws of the Open Source Geospatial Foundation

A Delaware Not-For-Profit Corporation

Originally adopted February 27, 2006 Revised May 17, 2019

Article I: Purposes and Non-Profit Status

The Open Source Geospatial Foundation (the “Foundation”) is organized exclusively to establish and support a diverse open source community to foster the development, advancement and promotion of open geospatial software technology and data.

The Foundation shall be operated in a manner consistent with maintaining its status as a not-for-profit corporation under Delaware law. Software development managed by the Foundation shall be released under a software license that is designated by the Open Source Initiative (OSI) as an approved open source license.

CesiumJS

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Charter Members

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Overview

What is a Charter Member?

Charter Members are individuals who have demonstrated sustained and significant contributions to the OSGeo community. Charter membership is the highest form of individual recognition within OSGeo and comes with important governance responsibilities.

Charter Members are the heart of OSGeo’s democratic governance structure. They:

Vote in annual board elections
Nominate candidates for board and charter membership
Guide the foundation’s strategic direction
Represent OSGeo at conferences and events
Mentor new community members

Path

Becoming a Charter Member

Charter membership is earned through contribution, not purchased or applied for directly. The path to charter membership typically involves years of sustained contribution to the OSGeo community.

Chat & IRC

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Overview

Real-Time Chat

While mailing lists are great for discussions that don’t require immediate response, sometimes you need real-time help or just want to chat with the community. OSGeo projects use several chat platforms.

IRC

IRC on Libera.Chat

Many OSGeo projects have IRC channels on Libera.Chat.

How to Connect

Web client: Visit web.libera.chat
Desktop client: Use a client like HexChat, irssi, or weechat
Server: irc.libera.chat (port 6667, or 6697 for SSL)

OSGeo Channels

Channel	Project
`#osgeo`	General OSGeo discussion
`#qgis`	QGIS Desktop
`#grass`	GRASS GIS
`#geoserver`	GeoServer
`#postgis`	PostGIS
`#gdal`	GDAL/OGR
`#openlayers`	OpenLayers
`#mapserver`	MapServer

Matrix

Matrix is a modern, federated chat protocol. Many IRC channels are bridged to Matrix, so you can use either.

Code of Conduct

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Guidelines

OSGeo Community Guidelines

The Open Source Geospatial Foundation is dedicated to providing a harassment-free experience for everyone, regardless of gender, gender identity and expression, age, sexual orientation, disability, physical appearance, body size, race, ethnicity, religion (or lack thereof), or technology choices.

We do not tolerate harassment of community members in any form. This code of conduct applies to all OSGeo community spaces, including mailing lists, wikis, social media, conferences, and any other OSGeo-sponsored events or gatherings.

Colophon

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Credits

Design & Development

Website Design

The OSGeo website design and development is by Get Interactive.

The current Hugo-based website was developed as part of the OSGeo website modernization initiative.

Technology

Technical Stack

Static Site Generator

This website is built using Hugo, a fast and flexible static site generator.

CSS Framework

The site uses the Bulma CSS framework for responsive design.

Committees

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OSGeo committees are part of the official structure of OSGeo driving the initiatives and activities that make our organization a success.

Committee members are passionate contributors who have a great time bringing open source to the world. Join committee mailing lists, contribute, and see what opportunities await.

Committees

OSGeo Committees

Board of Directors

The elected leadership of OSGeo Foundation, responsible for overall policy and direction.

Communications

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OSGeo is an active and vibrant community, with many ways to connect!

OSGeo provides a welcoming inclusive safe space, respecting the voices and opinions of all community members. All OSGeo participants are expected to follow our Code of Conduct.

Forum

Discourse Forum

The OSGeo Discourse Forum is our primary communication channel for community discussions.

OSGeo Discourse

discourse.osgeo.org

Community Projects

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Overview

What are Community Projects?

Community Projects are open source geospatial software that has joined the OSGeo ecosystem but has not yet completed the full incubation process. These projects benefit from:

OSGeo infrastructure - mailing lists, wiki space, and hosting
Community support - connection to the broader open source geospatial community
Mentorship - guidance toward meeting OSGeo project standards
Visibility - promotion through OSGeo channels and events

Community projects may be working toward full OSGeo project status through incubation, or may be associated projects that benefit from the OSGeo umbrella without seeking full graduation.

Community Updates

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Updates

Community News

Updates about the people, events, and activities that make OSGeo a vibrant community.

Recent Updates

New Charter Members Elected

2024

We are pleased to welcome our newest Charter Members who have demonstrated outstanding contributions to the open source geospatial community.

Charter Members are elected by existing members in recognition of sustained contributions to OSGeo projects, documentation, advocacy, and community building.

Contact Us

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General

General Inquiries

For general questions about OSGeo:

Email

info@osgeo.org

Note: This address is not monitored regularly. For technical questions, please use the project-specific mailing lists.

Board

Board of Directors

For matters requiring Board attention:

OSGeo Board

board@osgeo.org

Press

Press & Media

For press inquiries, interviews, or media requests:

deegree

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Downloads

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Software

Download OSGeo Software

All OSGeo software is free and open source. Download, use, modify, and share freely.

Quick Start

Quick Start: OSGeoLive

The easiest way to try OSGeo software is with OSGeoLive - a self-contained bootable DVD/USB with 50+ pre-configured geospatial applications.

OSGeoLive

Try 50+ open source geospatial applications without installing anything. Perfect for:

Learning and evaluation
Training and workshops
Demonstrations
Air-gapped environments

Includes: QGIS, GRASS GIS, PostGIS, GeoServer, MapServer, OpenLayers, and many more.

Education Resources

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Overview

Open Source Geospatial Education

OSGeo supports geospatial education worldwide through multiple initiatives, resources, and partnerships.

Initiative

Geo for All

OSGeo’s flagship educational initiative, Geo for All, promotes open geospatial education through a global network of university labs.

Lab Network

Over 100 Geo for All labs at universities worldwide provide:

Open source geospatial curriculum
Research opportunities
Student projects and internships
Community collaboration

Learn More About Geo for All{.button .is-osgeo-secondary}

EOxServer

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ETF

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Events History

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Events are where our community gather to share updates on our work and ideas for future collaboration. Our annual FOSS4G conference brings many of us together in one place, and local FOSS4G events and meetup groups are where members can gather with those nearby.

Events

List of Past & Upcoming Events

2026

FOSSGIS 2026 - Göttingen, Germany
FOSS4G Asia 2026 - Location TBA

FDO

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FOSS4G

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Overview

About FOSS4G

The internationally acclaimed “Free and Open Source Software for Geospatial” conference is OSGeo’s annual global event, held in a different city each year since 2004. FOSS4G consistently draws over 1,000 attendees who are passionate about open source geospatial solutions.

FOSS4G Experience

What you'll find at the conference

Keynote speeches from industry leaders and visionaries
Presentation sessions covering the latest developments in open source geospatial
Hands-on workshops for practical skill building
Code sprints where developers collaborate on projects
Community networking opportunities with the global geospatial community

The conference alternates between three geographic regions: Europe, North America, and worldwide locations, ensuring accessibility for our global community.

Frequently Asked Questions

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Find answers to the most common questions about OSGeo, our projects, and how you can participate in the open source geospatial community.

Foundation

About OSGeo

What is OSGeo?

The Open Source Geospatial Foundation (OSGeo) is a not-for-profit organization that supports the collaborative development of open source geospatial software. Founded in 2006, OSGeo serves as a legal entity that can accept donations and hold intellectual property on behalf of its projects.

GC2/Vidi

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GDAL/OGR

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Geo for All

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Mission

Our Mission

“Geo for All” is the Open Source Geospatial Foundation’s Committee for Educational outreach. We work in close collaboration with ICA, ISPRS, UN-GIS, AGILE, UCGIS, IGU and other partners worldwide in our mission for making geospatial education and opportunities accessible to all.

Our Core Belief

Knowledge is a public good

Central to the “Geo for All” mission is the belief that knowledge is a public good and Open Principles in Education will provide great opportunities for everyone.

GeoExt

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GeoHealthCheck

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GeoMoose

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GeoNetwork

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GeoNode

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GEOS

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GeoServer

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GeoStyler

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GeoTools

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GeoWebCache

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Get Involved

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Motivation

Why Contribute?

Open source geospatial software is built by people like you. Contributing helps:

Improve software you use daily
Build skills and gain experience
Connect with a global community
Give back to projects that have helped you
Shape the future of geospatial technology

Options

Ways to Contribute

You don’t need to be a programmer to contribute! Here are many ways to help:

Getting Started with OSGeo

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Welcome

Welcome to OSGeo!

Whether you’re a GIS professional, developer, researcher, student, or simply curious about open source geospatial technology, there’s a place for you in the OSGeo community.

This guide will help you take your first steps into the world of open source geospatial software.

Step 1

Try the Software

The best way to start is by using OSGeo software. Here are some recommendations based on your needs:

Giswater

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Google Summer of Code

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Overview

About GSoC at OSGeo

OSGeo has been a proud participant in Google Summer of Code since 2007. This global program pairs student developers with mentors from open source organizations to work on real software projects during the summer months.

Our Impact

Through GSoC, we have

Graduated 180+ students who have contributed to OSGeo projects
Mentored contributors who have become core developers
Advanced open source geospatial software through fresh perspectives

Process

How It Works

January - February

GRASS GIS

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gvSIG Desktop

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istSOS

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Leaflet

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Legal Information

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Foreword

Trademark Guidelines

The Open Source Geospatial Foundation emphasizes building market presence through controlled brand association. The organization seeks to balance legal oversight of its symbols with openness, following similar approaches used by comparable organizations like Apache and Mozilla.

Overview

Introduction

This policy governs use of OSGeo trademarks, defined as the name OSGeo in the variations listed below, OSGeo’s logos and the names of its various products. The foundation aims to maintain trademarks as reliable indicators of quality and security while allowing community discussion and accurate affiliation descriptions.

libLAS

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Licenses

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OSGeo projects are freely available and useable under an OSI-certified open source license. For more information on approved licenses, see opensource.org.

Distribution

Distribution Licenses

OSGeo offers a standard license for projects contributed directly to the foundation:

OSGeo BSD-3 License V1.0

The OSGeo BSD-3 License provides a permissive open source license for projects under the foundation.

Downloads:

Contributors

Contributor License Agreements

OSGeo projects accepting contributions use procedures tailored to individual initiatives. Two primary contributor agreements are available, derived from the Apache code contribution licenses:

Mailing Lists

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Overview

OSGeo Mailing Lists

Mailing lists are the primary way the OSGeo community communicates. They’re used for:

Asking questions and getting help
Discussing development and new features
Announcing releases and important news
Coordinating contributions and activities

General

General OSGeo Lists

These lists cover the OSGeo organization and general topics:

List	Description	Subscribe
OSGeo-Discuss	General discussion about OSGeo	Subscribe
OSGeo-Board	Board meeting announcements (read-only)	Subscribe
OSGeo-Marketing	Marketing and outreach coordination	Subscribe

Projects

Project-Specific Lists

Each OSGeo project maintains its own mailing lists:

Mapbender

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MapCache

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MapFish Print

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MapGuide Open Source

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mappyfile

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MapServer

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Marble

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MDAL

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Members

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The members of OSGeo are the heart and soul of our community.

Membership

Join OSGeo

OSGeo welcomes participation from everyone interested in open source geospatial technology. There are several ways to become part of our community:

Community Participation

Anyone can participate in the OSGeo community by:

Using OSGeo software
Contributing to projects
Joining mailing lists and discussions
Attending events

Get Started →

Meta CRS Initiative

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An interoperability initiative helping open source projects communicate spatial information between systems.

Overview

About MetaCRS

The MetaCRS initiative gathers together interested parties from across several projections, and coordinate system related technologies. It was felt that there was sufficient common institutional infrastructure that a combined effort would be valuable.

The initiative provides a space for sharing:

Coordinate system dictionaries
Test suites
Mathematical formulations

Leadership

Steering Committee

Member	Role
Frank Warmerdam	Chair
Simon Liu	Member
Norm Olsen	Member

Member	Role
Mike Adair	Member
Howard Butler	Member
Martin Davis	Member

Projects

Member Projects

Project	Representative
PROJ4	Frank Warmerdam
Proj4js	Mike Adair
CS-Map	Simon Liu
GeoTIFF/libgeotiff	Frank Warmerdam

Project	Representative
SpatialReference.org	Howard Butler
Proj4J	Martin Davis
GeoTools	Jody Garnett

Resources

Mailing List

Join the MetaCRS mailing list for discussions and updates.

MobilityDB

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Open Data Cube

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Open GeoScience

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The Open GeoScience initiative promotes the use of open source software, open data, and open standards in geoscience research and applications.

Overview

About Open GeoScience

Open GeoScience bridges the OSGeo community with researchers in Earth sciences, environmental science, and related fields. We advocate for:

Open Source

Using and contributing to open source geospatial software for research workflows.

OpenGIS Harmonization

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This OSGeo initiative addresses the coordination of the org.opengis Java package among OSGeo, OGC, and Apache Foundation stakeholders.

Background

Core Purpose

The GeoTools project participated early in GeoAPI development. The OGC has now published GeoAPI v3 and requested exclusive use of the org.opengis package, requiring a coordinated response.

Goals

Initiative Goals

Four primary outcomes are targeted:

1. Refactor GeoTools

Refactor GeoTools’ use of org.opengis interfaces to remove dependency on the contested namespace.

OpenLayers

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Opticks

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Orfeo ToolBox

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OSGeo4W

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OSGeoLive

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Overview

What is OSGeoLive?

OSGeoLive is a self-contained bootable platform available as a DVD, USB drive, or virtual machine. Built on Lubuntu, it enables users to explore a wide range of open source geospatial software without any installation requirements.

The entire system consists of free software, permitting unrestricted distribution, duplication, and sharing.

Current Version: OSGeoLive 16.0 - Based on Lubuntu 22.04 LTS

Features

Key Features

50+ Applications

Pre-configured geospatial tools for storage, publishing, viewing, analysis, and manipulation

OSGeoLive

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OSGeoLive

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Overview

About OSGeoLive

OSGeoLive is a self-contained bootable DVD, USB thumb drive, or Virtual Machine based on Lubuntu that allows you to try a wide variety of open source geospatial software without installing anything.

It is entirely composed of free software, allowing it to be freely distributed, duplicated, and passed around.

Contents

What's Included?

OSGeoLive includes 50+ open source geospatial applications, including:

Desktop GIS

QGIS
GRASS GIS
gvSIG
Marble

Web Mapping

GeoServer
MapServer
OpenLayers
Leaflet

Databases

PostGIS
SpatiaLite

Libraries

GDAL/OGR
PROJ
GEOS

And Much More!

View Full Software List

OSSIM

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OWSLib

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Partners

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OSGeo works with organizations world wide promoting open source geospatial.

Partners

Our Partners

OSGeo collaborates with a variety of organizations to advance open source geospatial technology:

Standards Organizations

OSGeo works closely with standards bodies to ensure interoperability:

Open Geospatial Consortium (OGC)
ISO Technical Committee 211
INSPIRE

Academic Partners

Through Geo for All, we partner with educational institutions worldwide:

PDAL

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pg_featureserv

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pg_tileserv

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pgRouting

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Portable GIS

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PostGIS

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Press Releases

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Press

Press Releases

Official announcements from the Open Source Geospatial Foundation.

2024

FOSS4G 2025 Announced for Auckland, New Zealand

OSGeo announces that FOSS4G 2025, the annual global conference for open source geospatial software, will be held in Auckland, New Zealand from November 17-23, 2025.

Learn More About FOSS4G 2025

OSGeo welcomes [Sponsor Name] as a new Diamond sponsor, demonstrating their commitment to supporting the open source geospatial community.

PROJ

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Project Incubation

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Process

What is Incubation?

OSGeo’s incubation process is the pathway for open source geospatial projects to become officially recognized as OSGeo projects. The process ensures that projects meet community standards for openness, quality, and sustainability.

Benefits

Benefits of OSGeo Project Status

Becoming an OSGeo project provides:

Legal Protection

OSGeo can hold trademarks and copyrights on behalf of projects

Project Releases

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Updates

Latest Releases

Stay informed about new versions and updates from OSGeo projects. Our projects follow regular release cycles, providing new features, bug fixes, and security updates.

Recent Major Releases

QGIS 3.40 LTR

October 2024

The latest Long Term Release of QGIS brings improved performance, new processing algorithms, and enhanced 3D visualization capabilities.

Highlights:

New mesh layer rendering options
Enhanced GPS tracking functionality
Improved annotation tools
Performance optimizations

Download QGIS | Release Notes

pycsw

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pygeoapi

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pygeometa

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PyWPS

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QGIS

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rasdaman

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Re3gistry

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Service Providers

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Overview

Professional Support

While OSGeo software is free to use, many organizations need professional support for implementation, customization, training, and maintenance. Service providers fill this role, offering commercial services built on OSGeo projects.

Note: OSGeo does not endorse any specific service provider. This directory is provided as a community resource.

Find a Service Provider

Service providers are listed on the OSGeo wiki, organized by:

SFCGAL

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SpatiaLite

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TEAM Engine

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TorchGeo

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Travel Grants

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Overview

About Travel Grants

OSGeo is committed to ensuring that financial constraints don’t prevent community members from attending FOSS4G conferences. Our Travel Grant Program (TGP) provides financial assistance to help cover travel, accommodation, and registration costs.

Since its inception, the program has helped hundreds of community members from around the world attend FOSS4G, enriching the conference with diverse perspectives and experiences.

Eligibility

Who Can Apply?

The Travel Grant Program is open to:

UN Open Source Initiative

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OSGeo works with United Nations organizations to promote the adoption of open source geospatial technology for sustainable development and humanitarian response.

Overview

About the Initiative

The UN Open Source Initiative supports the United Nations’ adoption of open source geospatial software and open standards. We work with:

UN-GGIM (United Nations Committee of Experts on Global Geospatial Information Management)
UN Agencies using geospatial technology
Member States implementing SDI programs

Focus

Focus Areas

Welcome

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The Open Source Geospatial Foundation facilitates interaction among users, developers, and community participants. It provides links to events, documentation, websites, and other information of interest to the open source web mapping community.

Local

Local Chapters

OSGeo maintains an expanding network of regional and local chapters worldwide. These chapters serve as connection points for geospatial enthusiasts and professionals in specific areas.

Events & Training

Local chapters organize events, provide training and support, and create networking opportunities for their communities.

What is Open Source?

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OSGeo holds a passionate belief in open source as the best way to build software.

Definition

Open Source

Open source starts off with a license that provides royalty free (re)use of software. Open source grants access to the source code so you can see how the software works and make changes if needed. Finally, open source offers the ability to redistribute the software, and any modifications you might make, without paying additional costs.

ZOO-Project

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