yappa-ng is an easy to use online PHP photo gallery. It has a comfortable and elaborate album-oriented photo album administration Web interface. Each picture can be viewed in many different sizes with resizing created automatically on the fly. It has complete user selectable language support, and supports password protected albums, hit counters for albums and images, album info, image captions, gallery overview, different themes, and a 'Top 10 images' ranking system for each photo album.
Yappy provides a lexical analyser and a LR parser generator for Python applications. Currently it builds SLR, LR(1), and LALR(1) parsing tables. Tables are kept in Python shelves for use in parsing. Some ambiguous grammars can be handled if priority and associativity information is provided.
yencode is an encoder, decoder, and posting package for the popular Usenet yEnc encoding format. It features the ability to encode single or multipart archives, a smart decoder which can decode multiple files (including files specified out of order or with nonsense filenames), an optional scan mode with recursion, and an easy to use Usenet posting utility. It is fully compliant with the yEnc specifications.