Folium: Leaflet maps from Python. OpenLayers: Full-featured open-source library for web GIS applications.
| Folium | OpenLayers | |
|---|---|---|
| Category | Map Libraries & SDKs | Map Libraries & SDKs |
| Pricing model | Open source | Open source |
| Starts at | Free | Free |
| Free tier | — | — |
| Open source | Yes | Yes |
| Software licence | MIT | BSD-2-Clause |
| API | — | — |
| Platforms | Python | JavaScript |
| Made by | — | — |
| Commercial use | Allowed | Allowed |
| Export / print images | Allowed | Allowed |
| Offline / caching | Check terms | Allowed |
| Visits from MapTools | 1 | 2 |
| Visit | Visit |
Folium features
- Leaflet maps from Python
- Choropleths and heatmaps
- Jupyter integration
- HTML export
OpenLayers features
- Any projection
- WMS, WFS, WMTS support
- Vector tiles
- Drawing and editing interactions
Summary based on public information. Check each provider's current pricing and terms.