Open Source Mapping Libraries

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Our latest blog, How to Build Open Source Applications Using Basemap Sessions, is out!This blog is for developers who...
SherylTania
by SherylTania Esri Contributor Esri Contributor
in Open Source Mapping Libraries Ques. Last Updated Tuesday
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Hi All,I have started Open-Source repo for fleet optimizer. vkondepati/fleet-route-optimizer: Open source fleet manag...
VenkataKondepati
by VenkataKondepati Regular Contributor
in Open Source Mapping Libraries Ques. Last Updated a week ago
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We are excited to announce the MapLibre ArcGIS plugin — a MapLibre GL JS plugin for integration with ArcGIS services!...
SherylTania
by SherylTania Esri Contributor Esri Contributor
in Open Source Mapping Libraries Ques. Last Updated 4 weeks ago
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IDEA
I am looking for open-source platform to connect to Datalake and Sedona databases to create a solution with minimum c...
VenkataKondepati
by VenkataKondepati Regular Contributor
in Open Source Mapping Libraries Ideas Last Updated 09-05-2025
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Hi EveryoneI'm developing a web application where I use layers published on an ArcGIS server as the base layer. I'm e...
lpauchet
by lpauchet New Contributor
in Open Source Mapping Libraries Ques. Last Updated 07-14-2025
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esri-leaflet version: 3.0.12leaflet version: 1.9.4 Hello there! I am creating a map with multiple overlay layers.The ...
rubenhesselink
by rubenhesselink New Contributor
in Open Source Mapping Libraries Ques. Last Updated 08-01-2024
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Hello,I'm trying to add a vector tile basemap other than the basemap styles service, which works fine.I'd like to rep...
DiegoDíazDoce
by DiegoDíazDoce Emerging Contributor
in Open Source Mapping Libraries Ques. Last Updated 08-28-2025
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Hello,In my application I am using the ArcGisImageryProvider to stream FAA VFR Tile data as an imagery layer from her...
BrandonBerisford
by BrandonBerisford Occasional Contributor
in Open Source Mapping Libraries Ques. Last Updated 04-18-2024
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Hello everyone. I am attempting to create a mapping application using CesiumJS with react through the Resium library....
BrandonBerisford
by BrandonBerisford Occasional Contributor
in Open Source Mapping Libraries Ques. Last Updated 04-09-2024
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I am building a web app using mapbox. I have used qgis to export an xyz tileset from https://services.arcgisonline.co...
TomJarvela
by TomJarvela New Contributor
in Open Source Mapping Libraries Ques. Last Updated 04-04-2024
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When I reference/include both https://unpkg.com/esri-leaflet@3.0.4/dist/esri-leaflet.js  and js.arcgis.com/4.19 into ...
GertConradie
by GertConradie Frequent Contributor
in Open Source Mapping Libraries Ques. Last Updated 04-02-2024
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Hi,I would like to view data on a web application with a Peirce Quincuncial projection. I have noticed that it is not...
tuupa
by tuupa New Contributor
in Open Source Mapping Libraries Ques. Last Updated 03-07-2024
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Hi, I have a map service that I am trying to display on my basemap using Leaflet. The map service is public and is ho...
DanielDormont
by DanielDormont Regular Contributor
in Open Source Mapping Libraries Ques. Last Updated 01-26-2024
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IDEA
i recently made it as to add VectorTileServer layer in a cesium map. hope this could be helpful for anyone.  <html> ...
liqiuping
by liqiuping Occasional Contributor
in Open Source Mapping Libraries Ideas Last Updated 11-22-2023
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We recently added functionality to our application to be able to display feature data from ArcGIS Online using esri-l...
bdk0172
by bdk0172 New Contributor
in Open Source Mapping Libraries Ques. Last Updated 12-05-2023
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Welcome


This is a place to ask questions about using ArcGIS services with open source mapping libraries, including Leaflet, MapLibre GL JS, OpenLayers, and CesiumJS. If you have ideas for new open source integrations with Esri, suggest them in the Ideas board.