French Broadcast Translators Map
Over 1500 translators / relays in France, Belgium and North Italy available to radio amateurs (Hams) for Aprs, D-Star, C4FM,
Communication
All communication tools that are not internet related (look at the dedicated > Network & web < category for these). These include the various 2G to 5G tools or analogical and numerical radio protocols.
Meshtastic Range Simulator (Site Planner)
Enter your location, either on a map or Latitude/Longitude, your elevation, your emission characteristics (power, antenna gain, frequency), and it
WBO Online Whiteboard
Free online collaborative/shared whiteboard: you can draw either on the public whiteboard, accessible to all. For curiosity only, but you
Excalidraw Free Online Whiteboard
One of the most famous free online collaborative whiteboard, used by Google or Meta for their own applications or needs.