Citations is a free and open source Bibliography application for Linux. Using Citations, you can create and manage your bibliographies in a BibTeX format. It comes with article, book, misc, In proceedings, unpublished, online, booklet, conference, in book, In collection, manual, master thesis, PhD thesis, proceeding and tech report citation types. It comes with plain, markdown and Latex support. you can directly search the citations in google scholar and arXiv. It is released under the GNU General Public License v3.0.