Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Agilon One - Agilon One is a Nonprofit CRM software solution that connects and gathers information on constituents.
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.
Little Green Light - Illuminating Data. Advancing Nonprofits.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .
Donorhut - Donorhut offers cloud fundraising software for charities and non-profits of any size.