Syncthing - As per their website what it does is to synchronize files between two or more computers in real time, which are usually owned by you so the storage

Syncthing - As per their website what it does is to synchronize files between two or more computers in real time, which are usually owned by you so the storage limit is the highest storage you have on a single computer Diode Drive - A privacy-focused alternative to Google Drive or Dropbox - share and collaborate without uploading to the cloud.you have unlimited storage and files can be shared with a link with anyone and yes that blockchain nonsense