Self-hosted cloud file storage

[x] Cross-platform (Mobile, Desktop, Web) [x] Offline [?] File Explorer [x] Upload files [x] Upload folders [x] Create folders [x] Rename [x] Move (cut-paste) [ ] Copy (copy-paste) [ ] Merge (move/copy) [x] Download files [ ] Notifications for completed/failed downloads [ ] Download folders / multiple files as zip [?] Preview files [x] Images [ ] Text [ ] Audio [ ] PDF [ ] EPUB [ ] Bookmark folders [ ] Table View [ ] Grid View [ ] Thumbnails [ ] Sync Manager [x] View List of pending actions [x] View failed actions [ ] Actions for failed actions [x] Delete [x] Retry [ ] Edit [ ] Rename [ ] Overwrite [x] View in-progress downloads [ ] View transfer rate and ETA [ ] View finished downloads (in current session) [ ] Actions for completed downloads [ ] Open [ ] Open Folder [ ] Actions for failed downloads [ ] Delete [ ] Retry [ ] Edit [ ] View all past downloads [ ] Public access [ ] Download files [ ] View folders [ ] Password-protected (Basic auth) [ ] Max Duration [ ] Max Accesses (single-file only?) [ ] Sharing folders [x] Server support for permissions [ ] View permissions [ ] Edit permissions [ ] Shared With Me [ ] Sync [ ] Sync directory tree [ ] Keep files offline [ ] Full 2-way sync [ ] Storage backends [ ] System Tray Integration [ ] Edit files [ ] Text [ ] Images [ ] Session management [x] Support server-side logout [ ] Trash