Web-based File Tagging Tools

Put your files into your Dropbox on one computer, and they'll be instantly available on any of your other computers that also have Dropbox installed. Because copies of your files are stored on Dropbox's secure servers, you can also access them from any computer or mobile...

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

Store bookmarks with related content, organize thematically with real-time collaboration and privacy focus, offering web clipper and cloud sync.

An end-to-end encrypted note-taking by Proton. Offline access, unlimited sync across devices, tagging, passcode and biometric security, plus advanced premium privacy features.

Open-source, end-to-end encrypted backup and sharing for photos and videos, with multi-platform sync, original quality, privacy controls, and collaborative albums.

Multifunctional cross-device tool captures ideas, lists, voice/photo notes. Features color coding, geo-fencing, checklists, and cloud sync.

Self-hosted solution enabling photo and video backup, privacy-driven local AI search, facial recognition, map-based tagging, and multi-user sharing.

Filen is a cutting-edge cloud storage provider that offers client-side, end-to-end, zero-knowledge encryption. Headquartered and operated entirely in Germany, Filen is at the forefront of combining comprehensive features with uncompromising privacy and security.

Provides infinite text-based nested lists, real-time collaboration, tagging, file uploads, kanban boards, offline access, and seamless sync across devices.

Powerful photo editing and organizing with cloud backup, available on multiple devices including mobile, web, and desktop.

Privacy-focused, encrypted and cross-platform data storage for documents, notes, photos, and files with advanced editing, live sync, and open-source features.

A fully self-hostable, open-source collaborative bookmark manager to collect, organize and archive webpages.

Seafile is an open-source file management and collaboration platform that goes beyond sync and share, offering extensible metadata, multi-level tagging, flexible file views, and AI-powered organization for smarter teamwork.

Save, annotate, and organize web resources with highlighters, sticky notes, cross-device sync, Outliner, advanced search, and flexible sharing options.

Capture and organize knowledge with a network-based note system, providing a novel approach to creating a distinct and personalized idea network.

AI-driven storage system with natural language search, automatic data organization, syncing, annotation, and collaborative workspaces for files, notes, and links.

XWiki is the ultimate open-source structured wiki designed to enhance business collaboration and efficiency. Tailored for tech-savvy professionals, XWiki’s extensibility, customization, and flexibility make it indispensable for managing large projects and datasets, while...

Paperless-ngx is a document management system that transforms your physical documents into a searchable online archive so you can keep, well, less paper. Paperless-ngx forked from paperless-ng.

All your ·notes· ·bookmarks·, ·inspiration· ·articles· and ·images· in one single, private place, enhanced with artificial intelligence.

Engage in social bookmarking to collect, explore, and share interests by joining and creating communities, saving media, and connecting with others.

An open-source alternative to Google Drive, offering secure, self-hosted cloud storage with full control over your data, enhanced privacy, and enterprise-grade collaboration features.

Your bookmark manager with privacy at heart. Brace.to helps you save links to everything and visit them later easily, anytime, on any of your devices. Powered by Stacks technology, all your saved links are encrypted, and only you can decrypt them and see the content inside.

Free open-source bookmark manager with customisable nested tags. Superfast and lightweight. All data is stored locally and secure.

AI-driven platform for organizing links, notes, and media with instant recall, personalized discovery, real-time collaboration features, and workspace customization.