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

LiveImpact - LiveImpact Nonprofit Technology that integrates with quickbooks, gmail, google docs and provides donor, donation, volunteer, crm management. Event, donation, social fundraiser, gala events, student tacking, increased engagement and task management

Tax990 - Tax 990 is an IRS-authorized e-filing solution for nonprofit organizations that helps clients understand the process of filing 990 series returns.

The Databank For Nonprofit Organizations - Databank is a nonprofit CRM with solutions in donor management and fundraising.

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.

FIMS - FIMS is a fund accounting solution tool that also includes grant management and constituent management modules.