Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Invenio - Invenio is a free, open-source software to run a digital library or document repository on the web.
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Greenstone Digital Library - Greenstone is a suite of software tools for building and distributing digital library collections...
Axure RP - The prototyping and specification software used by 87% of the Fortune 100. Beyond mockups, design interactive prototypes for business solutions, websites, and applications.
Koha - Koha is the first free and open source software library automation package (ILS).