Proton DrivePick
Service
Swiss cloud drive where files, photos and the built-in Docs and Sheets are encrypted on your device before upload.
- Minimal tracking
- Partly open
- End-to-end encrypted
- Account needed
- Free plan
- Android
- iPhone
- Mac
- Windows
- Web
Syncthing
App in Cloud storage, File transfer
Keeps folders in sync directly between your own devices, encrypted in transit, with no cloud in the middle.
Official Android app was retired; a community fork carries on.
Privacy passport
4 of 5 checks- No trackingMinimalOnly opt-in or anonymous first-party telemetry, such as crash reports.
- Open sourceYesApps and server code are public, so anyone can check them.
- Only you can read itOn deviceYour data stays on your own device.
- No accountYesWorks without signing up.
- FreeYesFree to use.
Where it stands among 15 cloud storage services
No tracking
Yes
Partly
Not stated
Open source
Yes
Partly
No
Only you can read it
Yes
Partly
No
No account
Yes
No
Free
Yes
Listed in
Other cloud storage services
FilenPick
Service
German cloud storage with zero-knowledge encryption, open-source apps on every platform and low prices.
- Tracking not stated
- Partly open
- End-to-end encrypted
- Account needed
- Free plan
- Android
- iPhone
- Mac
- Windows
- Linux
- Web
Tresorit
Service
Swiss encrypted file sync and sharing owned by Swiss Post, built for sensitive documents and teams.
- Minimal tracking
- Closed source
- End-to-end encrypted
- Account needed
- Free plan
- Android
- iPhone
- Mac
- Windows
- Linux
- Web
Sync.com
Service
Canadian cloud storage with end-to-end encrypted sync and sharing, including a free plan.
- Tracking not stated
- Closed source
- End-to-end encrypted
- Account needed
- Free plan
- Android
- iPhone
- Mac
- Windows
- Linux
- Web
MEGA
Service1.9k
Cloud storage with a large free plan where files are encrypted in your browser or app before upload.
- Tracking not stated
- Partly open
- End-to-end encrypted
- Account needed
- Free plan
- Android
- iPhone
- Mac
- Windows
- Linux
- Web
InternxtAudited
Service
Spanish zero-knowledge cloud drive with open-source apps, a small free plan and published audits.
- Tracking not stated
- Partly open
- End-to-end encrypted
- Account needed
- Free plan
- Android
- iPhone
- Mac
- Windows
- Linux
- Web