jVLT is a vocabulary learning tool. Examples containing one or many of the vocabulary words may be specified. jVLT also can perform quizzes, querying only those words which you frequently did not know in the past or which have not been queried for a long time. During a quiz, jVLT shows the examples of each word, letting you better memorize its usage.
Vocatra is a console-based vocabulary trainer. It takes one or more vocabulary files, queries you for each word, and lets you try to give the correct answer. You can enable different learning modes. If you prefer to learn sequentially it has an order mode. Otherwise, there is also a random mode available.
Dr. Higgins will teach you and help you teach yourself any language. It works like a quiz, asking you the translations of words and keeping score of your correctness. It includes a number of quizzes for self-study in different languages (English, Spanish, Finnish, and a bit of Japanese). It's very easy to add your own lists, thanks to a simple file format.
SLD Calculator is a GUI to calculate the characteristics of chemical compounds, especially the Neutron and X-Ray scattering length densities that are often required to know in scattering experiments. Furthermore, it offers internationalization support and is capable of switching the language at runtime.
eduMagnet can search and access different online video sites (YouTube, Blip, TeacherTube, RSS, German public TV, etc). Students and pupils can create playlists of lectures and talks and play educational content using an embedded video player (MPlayer). As an OLPC project eduMagnet is developed for the sugar OS, but can also be used in any Linux environment using GTK. Students may synchronize playlists to the online platform eduMagnet.org so that other users can subscribe to their playlists. Access to new online video sites can easily be added using python plugins ("Magnets").
TextCite is a program for organizing and commenting textual citations from texts (books, articles, or other published works) for use in producing scientific or academic publications. You can organize by publication, author, category, or outline. It works with bibliographic management programs like Citation, EndNote, RefWorks, and BibTeX, providing important text/citation management capabilities that these programs lack, while still allowing for rapid footnote and bibliography generation by means of your favorite bibliography manager. It also exports to PDF and Word (RTF).