Find Open-Source Alternatives
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Compare community-driven replacements for ArcGIS Online in gis & mapping platforms workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.

These projects match the most common migration paths for teams replacing ArcGIS Online.
Why teams pick it
Launch quickly with streamlined setup and onboarding.
Recent commits in the last 6 months
Counts reflect projects currently indexed as alternatives to ArcGIS Online.
Why teams pick it
Automate scheduling with AI-driven assistants.

Serve, share, and edit geospatial data via OGC standards
Why teams choose it
Watch for
Requires a Java runtime, adding operational overhead
Migration highlight
National cadastral data publishing
Expose land parcel vectors via WFS for public and internal use

Powerful CGI engine for creating web‑based GIS maps and services

Professional GIS platform for powerful spatial analysis and cartography
Teams replacing ArcGIS Online in gis & mapping platforms workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from ArcGIS Online.
Why teams choose it
Watch for
Requires CGI/web server setup and configuration
Migration highlight
Publish satellite imagery via WMS
Provides a standards‑compliant map service accessible by GIS clients and web applications.
Why teams choose it
Watch for
Steeper learning curve for advanced analysis workflows
Migration highlight
Environmental impact assessment
Combine satellite raster, vector habitats, and temporal data to model and visualize ecosystem changes