Bookends!

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. »

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.

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.

A reference management software, used for searching online publication databases, & managing publications / bibliographies, with the ability to insert the references into a word processor.

colwiz is free software for researchers, academics and students. The iPad, iPhone and iPod touch version sync your research articles, attachments and annotations with the Desktop App over the internet. Now you can take your research with you while you are travelling, at a conference, or just relaxing on the couch.

BibSonomy is a system for sharing bookmarks and lists of literature (BibTex format).

A handy, intuitive reference-managing tool. Citavi researches in over 4800 databases and catalogs, organizes and structures your literature, references, quotes and idea collections and assists you with your documentation or publication.

Organize your research papers in a Gmail-like web app, sync your PDFs to Google Drive and cite your references in Google Docs.

Automatic works cited and bibliography formatting for MLA, APA and Chicago/Turabian citation styles. Now supports 7th edition of MLA.

Scientilla is a new approach to give the scientific community an open, free, accurate, tidy and up-to-date production reporting solution.

BibDesk is a bibliographic reference manager for Mac OS X. BibDesk is designed to help organize and use bibliographic databases in BibTeX .bib format.