Sites and apps similar to Complibase include Nextcloud, which is free and open source. Other options are Dropbox, Syncthing, Google Drive and MEGA. Cloud Storage Services like Complibase are a crowded field, with more than 50 alternatives for iPhone, Android, Windows, Mac and iPad.
End-to-end encrypted cloud storage with quantum-resistant cryptography protects files from all third-party access, including service providers, ensuring strict confidentiality for individuals and businesses, seamless web and mobile access, and compliance with EU data laws.
Germany
EU
Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.
SloveniaEU
Ente Locker is a secure vault for life’s essentials - your most important documents and credentials - protected with end-to-end encryption.
United States
Encrypted peer-to-peer file transfers between devices with no size limits, no cloud storage, and no servers involved. Simple pairing via QR or code, supporting large files and folders across devices, all without sign-up, accounts, or personal data required.
Russia
PixelUnion is a privacy-focused, EU-based photo storage service alternative to Google Photos. It offers lossless uploads, free 16 GB starter storage, AI-powered face recognition, and more.
NetherlandsEU
Offers secure content management with workflow automation, AI-driven insights, 10GB free cloud storage, e-signature support, integration with 1,500+ apps, file-level security, offline access, document commenting, real-time search, and previews for 200+ file types.
United States
Encrypted, privacy-focused digital storage with zero-knowledge architecture supporting document editing, notes, journals, and photo storage with raw DSLR support, live sync, markdown, code, LaTeX, to-dos, audio, tables, EPUB, PDF, and cross-platform access.
EstoniaEU
Resilio Sync allows you to automatically sync files between computers via secure, distributed technology (P2P bittorrent protocol).
United States
Open source cloud platform for organizations with self-hosting, device file synchronization, sharing, versioning, secure encrypted storage, admin controls, web access, audit logging, and support for desktop and mobile clients for secure collaboration.
China
Sync-in is a sovereign, open-source platform for file storage, sharing, synchronization, and collaboration. It is intended for individuals, businesses, public-sector entities, and institutions seeking a controlled, scalable solution suited to their operational requirements.
FranceEU
kDrive is a Swiss online storage service that respects its users' privacy and makes storing, sharing & collaborating on files a breeze.
Switzerland
IPFS is a global, versioned, peer-to-peer filesystem. It combines ideas from Git, BitTorrent, Kademlia, SFS, and the web. It is like a single bittorrent swarm, exchanging git objects. IPFS provides an interface as simple as the HTTP web, but with permanence built in.
United States
