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Maps · head to head

Lonboard vs Omeka

Lonboard logo

Lonboard

Maps

Python map rendering in Jupyter that skips GeoJSON and moves millions of features without choking

From
Free
Rated
-
Full reviewWebsite
Omeka logo

Omeka

Libraries

Publish collections and create rich digital experiences

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Lonboard it is a notebook visualisation library, not a mapping application, so there is no editing, no layout, no map export for print and no sharing beyond distributing the notebook or an HTML file; Omeka omeka Classic designed for individual projects rather than large institutional deployments
  • They diverge on capability: Lonboard covers GeoArrow binary transfer, Omeka covers Item and collection management.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Lonboard and Omeka actually diverge.

Attributes where Lonboard and Omeka differ
AttributeLonboardOmeka
Pricing modelOpen source, no licence feeopen-source
PlatformsLinux, macOS, WindowsWeb
CategoryMapsLibraries
FoundedUnknown2007

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Lonboard

  • GeoArrow binary transfer
  • GeoPandas input
  • deck.gl layers
  • Jupyter widget
  • Large dataset handling
  • Styling by attribute
  • Open source licence

Only in Omeka

  • Item and collection management
  • Dublin Core metadata
  • Online exhibitions
  • Plugin architecture
  • Theme customization
  • Simple workflow
  • File management
  • Tag and search

What people use each for

The jobs each tool is most often brought in to do.

Lonboard

  • An analyst exploring a national road or parcel dataset in a notebook where pydeck or ipyleaflet becomes unusable at that sizenot Omeka
  • A researcher publishing a reproducible analysis where the visualisation must run from the same script as the processingnot Omeka
  • A data scientist joining spatial data to model outputs in pandas and needing to see the result immediately without exporting to a GISnot Omeka
  • A team building an internal analysis pipeline on GeoParquet that wants rendering without a serialisation step in the middlenot Omeka

Omeka

  • Academic and research institutions creating digital collections with Dublin Core metadatanot Lonboard
  • Museums and archives publishing heritage collections with semantic web capabilitiesnot Lonboard
  • Individual projects and educators creating media-rich online exhibitsnot Lonboard

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Lonboard

  • It is a notebook visualisation library, not a mapping application, so there is no editing, no layout, no map export for print and no sharing beyond distributing the notebook or an HTML file
  • Maintenance sits with Development Seed as an open source side output of a consultancy, so roadmap priorities follow client projects and there is no support contract to buy
  • Layer coverage is a subset of deck.gl, so an analyst needing a less common layer type has to drop to pydeck or write JavaScript rather than staying in Python
  • It expects data already in GeoPandas or Arrow form, which means the performance benefit depends on the rest of your pipeline being Arrow-friendly; reading a large Shapefile is still the slow step
  • Rendering happens in the browser, so very large datasets are ultimately limited by the client machine's memory and GPU rather than by the server, and a laptop will still fail on data a workstation handles

Omeka

  • Omeka Classic designed for individual projects rather than large institutional deployments
  • Requires self-hosting and technical setup; no managed hosting option in Classic version
  • Omeka S pricing not publicly disclosed, available only for download or sandbox testing
  • Limited scalability for institutions managing multiple extensive collections

Pricing, plan by plan

Lonboard

Free
  • LonboardFree
    • Open source, no licence fee
    • No usage limits
    • Installed from PyPI or conda

Omeka

Free

No published plan breakdown. See the Omeka review.

Which should you pick?

Choose Lonboard if

  • You need geoarrow binary transfer.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want geopandas input.
Lonboard review

Choose Omeka if

  • You need item and collection management.
  • You want to start without paying.
  • You also want dublin core metadata.
Omeka review

Questions people ask

Is Lonboard or Omeka better?
Neither clearly leads. Lonboard starts at Free and Omeka at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lonboard or Omeka?
Lonboard starts at Free and Omeka at Free.
Does Lonboard or Omeka run on more platforms?
Lonboard runs on Linux, macOS, Windows. Omeka runs on Web.
Can I use Lonboard for free?
Both have a free tier, so you can try either at no cost before committing.
What is Lonboard best used for?
Lonboard is most often used for an analyst exploring a national road or parcel dataset in a notebook where pydeck or ipyleaflet becomes unusable at that size, a researcher publishing a reproducible analysis where the visualisation must run from the same script as the processing, a data scientist joining spatial data to model outputs in pandas and needing to see the result immediately without exporting to a gis, a team building an internal analysis pipeline on geoparquet that wants rendering without a serialisation step in the middle. Of those, an analyst exploring a national road or parcel dataset in a notebook where pydeck or ipyleaflet becomes unusable at that size and a researcher publishing a reproducible analysis where the visualisation must run from the same script as the processing are not what Omeka is typically brought in for.
What can Lonboard do that Omeka cannot?
Lonboard covers GeoArrow binary transfer, GeoPandas input, deck.gl layers, Jupyter widget. Omeka covers Item and collection management, Dublin Core metadata, Online exhibitions, Plugin architecture.

Answered from the vendors’ own pages

Lonboard: Why not just use pydeck?

pydeck serialises geometry to GeoJSON to reach the browser. Lonboard uses a binary GeoArrow pipeline, which is the reason it handles far larger datasets in the same notebook.

Omeka: How much does Omeka cost?

Omeka Classic and Omeka S are free to download and use under the GNU GPL open source license. Hosted services through Omeka.net and managed Omeka Services require visiting their respective pricing pages.

Source
Lonboard: Who maintains it?

Development Seed, a geospatial engineering consultancy, as an open source project. There is no commercial support offering.

Omeka: Is Omeka open source?

Yes, Omeka is open source software distributed under the GNU copyleft GPL license, making it freely available for individual projects, educational use, and institutional resource management.

Source
Lonboard: Does it work outside Jupyter?

It is built as a Jupyter widget. Exporting to standalone HTML is possible, but the intended environment is a notebook.

Omeka: Are there hosted options for Omeka?

Yes, Omeka.net provides hosted service options and Omeka Services offers managed hosting and support plans, though specific pricing details are not disclosed on the main Omeka website.

Source
Lonboard: Is it free for commercial use?

Yes, it is open source with no licence fee.

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