Command-line tool for secure file transfers between computers using relay servers with end-to-end encryption. Open-source, community-reviewed, pause/resume support; no accounts needed. Multi-platform (Windows, macOS, Linux); efficient for ad-hoc sharing avoiding cloud tracking. (Open-source, free)
Secure EU-based storage for files and photos with anonymous accounts. Open-source, audited by Securitum, encrypted in EU jurisdictions; 10GB free tier. Multi-platform (Windows, macOS, Linux, Android, iOS); reliable for privacy-focused users with crypto payment options. (Open-source, free tier)
E2EE cloud for documents, photos, and chats with modern UI and sharing features. Open-source, independent audits, no data access; 10GB free tier. Multi-platform (Android, iOS, desktop, web); user-friendly for users seeking simple, secure storage. (Open-source, free tier)
Self-hostable platform for file sync, sharing, and collaboration with apps for calendars and notes. Open-source, community-audited, full data control via self-hosting; variable pricing for hosted instances. Multi-platform (Android, iOS, desktop, web); ideal for customisable privacy without third-party reliance. (Open-source, free)
Swiss-based E2EE storage for files, photos, and docs with seamless Proton ecosystem integration. Open-source apps, audited by Securitum, zero-access architecture, no logs; 5GB free tier. Multi-platform (Android, iOS, desktop, web); suitable for everyday secure backups. (Open-source, free tier)
