Top Alternatives to Bookmark OS

Diigo is a comprehensive online tool designed for researchers, students, and lifelong learners to collect, organize, annotate, and share information found on the web. It acts as a powerful bookmarking service combined with robust annotation capabilities for web pages, PDFs, and documents.

Firefox Sync seamlessly synchronizes your browsing data across all your devices running Firefox. Access tabs, bookmarks, history, passwords, and preferences from your desktop, laptop, or mobile phone, ensuring a consistent and personalized browsing experience wherever you go.

Raindrop.io is a versatile bookmark manager that helps you organize, save, and rediscover web content across all your devices. It provides a visually appealing interface and powerful search capabilities to keep your digital life organized.

Google Bookmarks is a fundamental online bookmarking service offered by Google. It allows Google Account holders to save, organize, and access their favorite web pages from anywhere using a simple, web-based interface. Ideal for users seeking a no-frills, integrated solution within the Google ecosystem.

Tagpacker is a visual bookmarking tool designed to help users collect, organize, and share their favorite links. It moves beyond traditional folders by utilizing tags, enabling a more flexible and intuitive way to manage online resources.

Historious is a single-click bookmarking and search engine designed for efficient organization and retrieval of web content. It offers robust features like offline access, full-text search, and privacy-focused storage, making it a powerful tool for managing your online research and saved pages.

Pearltrees is a visual and collaborative web clipping and organization tool that allows users to collect, organize, and share virtually anything found online. It's designed to help users curate digital content in a visually intuitive way, facilitating knowledge management and collaboration.

Floccus is an open-source, cross-browser bookmark synchronization extension that prioritizes user privacy and data control. It allows users to sync their bookmarks across various web browsers, offering strong encryption and the flexibility of self-hosting, ensuring that your valuable bookmark data remains private and secure. Ideal for individuals and teams seeking an alternative to cloud-based, vendor-locked sync solutions.

GGather is an advanced online bookmark manager and knowledge curation platform designed to help users organize, annotate, and share web content efficiently. It transcends traditional bookmarking by offering robust features like full-text search, visual bookmarks, dead link checking, and collaborative sharing, making it ideal for researchers, content creators, and anyone seeking a superior way to manage their digital information.

elCurator is a collaborative content curation and bookmarking tool designed for teams and individuals. It allows users to easily save, organize, read, and share web content, fostering efficient information management and knowledge sharing within a centralized platform.

Linkman is a robust bookmark manager designed for centralized organization and access to your web links across multiple browsers and devices. It offers powerful features for managing, organizing, and synchronizing your bookmarks efficiently.

Basket is a comprehensive online knowledge management platform designed to help users save, organize, and revisit web content effortlessly. It serves as a central hub for bookmarks, articles, documents, and more, offering powerful tools for organization, annotation, and offline access.

LinkCollector was a portable bookmark management solution designed to help users organize, manage, and synchronize their bookmarks across different browsers and machines. It offered features like duplicate bookmark detection and organizational tools.