Open source Koofr alternatives

All Koofr alternatives

1. 

   

   Proton Drive

   4.1(1.2K) · App StoreLike

   Proton Drive is the encrypted cloud storage service of Proton, the Swiss company behind Proton Mail. Files and file names are end-to-end encrypted, the apps are open source and files can be shared through password-protected links. It offers desktop sync on Windows and macOS, mobile photo backup and a free plan, with more space in Proton's paid bundles.

   12 Proton Drive alternatives

   Pros

   • Files and file names are end-to-end encrypted
   • Open source apps from a Swiss privacy-focused company
   • Password-protected share links and mobile photo backup

   Cons

   • No desktop app for Linux
   • Fewer third-party app integrations than mainstream clouds
   • The free plan offers limited storage

   Cost / License

   FreemiumOpen source

   Categories

   Cloud Storage & File Sharing

   Platforms

   WebWindowsMaciPhoneAndroid

   Features

   End-to-end encryptionFile syncFile versioningLink sharingPhoto backup

   Visit websiteMore about Proton Drive
2. 

   

   Nextcloud

   4.7(10.4K) · App StoreLike

   Nextcloud is an open source platform you install on your own server to sync and share files, keeping data under your control instead of with a third-party cloud. Beyond file storage with desktop and mobile clients, its app store adds calendars, contacts, video calls (Talk), online office editing and many other extensions. Self-hosting is free, and Nextcloud GmbH sells enterprise support.

   12 Nextcloud alternatives

   Pros

   • Keeps files on your own server instead of a third-party cloud
   • App store adds calendars, contacts, Talk calls and office editing
   • Desktop and mobile clients for every major platform

   Cons

   • Installing, securing and updating the server is your responsibility
   • Performance can be sluggish without careful server tuning
   • Quality varies across third-party apps

   Cost / License

   FreemiumOpen source

   Categories

   Cloud Storage & File Sharing

   Platforms

   WebWindowsMacLinuxiPhoneAndroidSelf-hosted

   Features

   File syncFile versioningLink sharingPhoto backupPlugins & extensions

   Visit websiteMore about Nextcloud
3. 

   

   Syncthing

   89.3KstarsLike

   Syncthing continuously synchronizes folders directly between your computers and servers, without storing anything on a third-party cloud. Connections are encrypted and authenticated, devices find each other on the local network or through relays, and per-folder versioning keeps old copies of changed files. It is free, open source and configured through a local web interface.

   8 Syncthing alternatives

   Pros

   • Syncs directly between your devices with no third-party cloud
   • Free and open source, with encrypted connections
   • Per-folder versioning keeps copies of changed files

   Cons

   • Configuration through a web interface is less approachable for non-technical users
   • Devices must be online at the same time to sync
   • No official mobile apps

   Cost / License

   FreeOpen source

   Categories

   Cloud Storage & File Sharing

   Platforms

   WindowsMacLinuxSelf-hosted

   Features

   End-to-end encryptionFile syncFile versioning

   Visit websiteMore about Syncthing