BibSonomy!

Mendeley helps manage and share academic knowledge: Mendeley Desktop is free academic software (Windows, Mac, Linux) for organizing and sharing research papers and generating bibliographies with 1GB of free online storage to automatically back up and synchronize your library across desktop, web and mobile. Mendeley Web is a free research network which lets you manage research papers online, discover trends and connect to like-minded academics. Mendeley tracks usage data on over 40 million research papers in real-time, thus creating a network of people using and sharing millions of scholarly articles - helping to shift research into the 21st century world of collaboration and openness. Mendeley is engendering a revolution in the way research is conducted and disseminated, changing the face of science. »

Google Bookmarks is a free online bookmark storage service, available to Google Account holders. It allows one to bookmark favorite websites and add labels or tags, and also notes.

Do you want to share the links you discover? Shaarli is a minimalist delicious clone that you can install on your own server. It is designed to be personal (single-user), fast and handy.

Qiqqa is free award-winning knowledge-, research- and reference management software. If you're serious about getting the most from managing your publications, PDFs and bibliographies, Qiqqa is for you.

Chrome Bookmarks and the Bookmarks Manager are now more powerful by incorporating the smarts of Google Search with a new modern UI.

Docear is a unique solution to academic literature management, which helps you organizing, creating, and discovering academic literature. The 3 most distinct features are:

JabRef is an open source bibliography reference manager. The native file format used by JabRef is BibTeX, the standard LaTeX bibliography format.

SemanticScuttle is a self-hosted and web-based social bookmarking tool experimenting with new features like structured tags and collaborative descriptions of tags. Originally a fork of Scuttle , it has overtaken its ancestor in stability, features and usability.Self-hosted and web-based social bookmark manager.

Historious saves a copy of web pages you bookmark, so that you can find pages youve bookmarked easily without needing to add words as tags which are already in the page text. Tags can still be added, and you can use the special tag "unread", which removes itself when you read the page, and comes with its own special "read later" bookmarklet.

ReadCube’s desktop and mobile iOS applications are available free for both Mac & PC and offers researchers the ability to discover and access literature faster, organize their literature and enjoy interactive reading of scholarly articles. Features include: -Integrated search for easy discovery and article downloads -Interactive PDFs for enhanced reading with clickable inline references and annotation tools-Personalized recommendations-Simple integration with institutional proxies-Full text search of library-1-click article downloads-Google Scholar / PubMed databases built in-Easy syncing across multiple devices with cloud sync capabilities (PRO feature) »