Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.

RallyUp - RallyUp is a dominating platform for making professional fundraising experiences for your nonprofit, company, school, team, or another group.

Paperpile - Clean and simple and reference management for the web. Sync your PDFs to Google Drive and cite your papers in Google Docs.

donate.ly - The Simplest Way to Fundraise.

JabRef - Graphical Java application for managing bibtex (. bib) databases.‎JabRef · ‎JabRef Help · ‎JabRef | Blog · ‎OpenOffice/LibreOffice .

Salsa - Anonymous messages in your workplace