The Open Source Sunspots Organizer is a php interface designed to register all data acquired from sunspots' observation. It supports a login system to separate observers. As a php based interface it needs a web server to run.
Project Galileo at Sourceforge.net aims to provide developers a unique opportunity to develop open source software for an on-line telescope for schools across the UK. See http://www.projectgalileo.org.uk for more details.