Collaborative Map Updates for Agencies
The missing lakehouse layer for ArcGIS. Vector Ledger connects ArcGIS Online with Iceberg, GeoParquet, and Spark/Sedona data lakes.
No major Esri partner ships Iceberg + wiki-style editing + GeoParquet for ArcGIS today.
Agencies want collaborative editing in ArcGIS and versioned, portable data for analytics—without lock-in.
Esri community has 100+ votes on ideas for Sedona/Iceberg support (source: Esri ArcGIS Ideas). Clear demand, no partner solution.
The lakehouse layer for ArcGIS
All map edits recorded and versioned in one ledger—from Esri web apps, cloud QGIS, or ArcGIS Pro. Output: versioned GeoParquet (and Iceberg).
Who it’s for: Agencies with or planning Spark/Sedona/Iceberg data lakes who need collaborative editing and clean GeoParquet for ArcGIS.
ESRI web apps → Ledger Editor → Ledger Lake (GeoParquet/Iceberg on AWS) → Ledger Dashboard & Ledger Grid → ArcGIS and analytics.
Ledger Editor
Esri web apps, no GIS skills needed
Ledger Dashboard
Statistics, QC, approval workflows
Ledger Lake
Versioned GeoParquet storage
Ledger Grid: Kubernetes runs GIS for map production.
Esri web apps meet open-standard GeoParquet. Your data stays portable, scalable, and analytics-ready.
3000+ resorts, live web editing, versioned data. Same workflow available for agency data (boundaries, infrastructure, program areas).
Today: OSM data · MapTiler, MapLibre, DynamoDB, JS front end · 3000+ resorts, web editor, public atlas.
Can use Esri: Same workflow can run on ArcGIS and Esri data for agencies.
Who else? CARTO and Wherobots push Iceberg + GeoParquet as data platforms—but not as “Esri + lakehouse collaboration.” Most agencies DIY or have nothing.
Vector Ledger: First Esri-aligned partner doing Iceberg + collaborative editing + GeoParquet for ArcGIS.
Moat: Working product, not just a diagram—Esri sync, approval workflows, deployment support.
Pre-revenue. We’re building the reference implementation (git repo + sample datasets) now.
Next: Pilot engagements (free or discounted). Commercial pricing TBD after pilots.
Then: License the software and provide implementation for each customer’s ArcGIS and cloud environment. License $10K–$30K/year + implementation $15K–$40K per deployment.
Moat: Integration depth and support—not something they can replicate from a diagram.
Esri Startup Program: We want to be the go-to lakehouse GIS collaboration layer for ArcGIS users.
Esri software licenses to build and test demo products (Experience Builder, ArcGIS Online).
Co-sell and go-to-market support for Esri customers.
Pilot: Ready for customers who have (or plan) Spark/Sedona/Iceberg data and need collaborative editing + GeoParquet for ArcGIS Online.
Jonathan Witcoski — Founder & GIS Architect
15+ years federal GIS (CDC, Census, ARNG, DHS). Python ETL, AWS serverless, geospatial automation.
Vector Scope AI
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