Interact is an online learning and collaboration platform that was developed by the Christchurch College of Education. It is a free alternative to the likes of WebCT and Blackboard, and was designed with the intention of making it easy for students and lecturers to interact online, and focuses on constructivist and Vygotskian views of teaching and learning.
Yet Another Time Machine is a command line Ogg Vorbis and MPEG audio player with the ability to control the tempo of playback without changing the pitch. Primary usage would be to listen (for example) to audio books at 150% tempo. This is still understandable and saves time, hence the name of the program.
jbofihe (or more correctly jbofi'e) is a parser for checking the grammatical correctness of Lojban text. It also provides approximate translations of Lojban into English. (Lojban is a constructed human language with the interesting property that its grammar can be cast into a form that Bison can parse.) The package includes cmafi'e (a smaller version without grammar checking), and a program to aid lujvo (compound word) construction.
ETH Lecture Communicator is a tool to improve classroom interaction between an instructor and their students. It enables the instructor to create and carry out in-class online assessments, and facilitates organized instant communication for large classes. It is intended to improve the overall quality of a lecture by providing the instructor with continuous feedback on the students' understanding of the material.