Gupicasa provides a GUI for uploading photos to Picasa. It supports local editing of orientation, scaling, time stamps, and text summaries.
pgGallery is a Web-based photo gallery powered by PostgreSQL and Spring.
PhoSho is a revamp of the now-defunct PixelPost project. It's a clean and simple application which enables the user to host a photoblog on a website.
Software for building a more federated and programmable Web.
A mental arithmetic practice program.