EasyMapMaker might be a bit more popular than BatchGEO. We know about 1 link to it since March 2021 and only 1 link to BatchGEO. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I used http://ukara.org.uk/ (under "UKARA registered game sites") and batchgeo.com to put this together a while ago. Source: about 4 years ago
You can import it to excel and trim away some of the useless categories. Even better pull it over into something like easymapmaker.com and map the locations along with the important data. If you see a ton of rejects each year then probably someone to avoid. If the data looks good then email them. Source: almost 4 years ago
mamap.io - Easily create and embed a customizable, interactive map with markers, images and search functionality in just a few minutes. Enhance your user experience and streamline navigation.
Snazzy Maps - Simple & Free To Use Themes for Google Maps
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
Stamen Maps - Turn any OpenStreetMap location into a watercolor painting
Leaflet - Leaflet is a modern, lightweight open-source JavaScript library for mobile-friendly interactive maps.
MapStyle - MapStyle is a huge library providing a plethora of options for styling the map with detailed customization support.