Abalone
data tracking and analytics for conservation efforts
AirCasting
platform for gathering, visualization and sharing of environmental data
Expertiza
peer-reviews app, supported by the National Science Foundation
Fae CMS
another CMS
Fat Free CRM
a clean, customizable CRM
Hackershare
social bookmarking and knowledge-sharing
iNaturalist.org
social network for nature stuff
Listed.to
online publications with automatic newsletters
Morph.io
web scraping tool
Open Source Billing
Beautifully Simple Billing Software
planningalerts.org.au
planning alerts for Australians
Racing On Rails
bike racing association management
Reservations
equipment loans and reservations software
tip4commit.com
reward contributors
WikiEduDashboard
course dashboard system