Cloudlog

Cloudlog is an open-source PHP & MySQL based amateur radio logging application, allowing you to log contacts via a web browser on any device and platform.

Cloudlog supports HF to Microwave, it can even interface with your radio via CAT, sync logs from WSJT-X. Also, if you are a satellite operator, it integrates with SatPC32. (further details here from the Magigbug website)

The software is running on a server provided by Ellis 2E0EWM and LEFARS members are invited to apply for a free account