Klen-library is a program for creating electronic books. It consists of three modules, for editing books, reading books, and creating tests. It offers password protection of every book and the editing mode. The print function makes it self-sufficient, as it allows creation of books without using third-party text editors. It uses SQLite, so you don't have to install a database server. It can export to the XWB, HTML, TXT, PDF, PostScript, and RTF formats, and can import from XWB, HTML, and TXT.
QMentat helps you practice mental arithmetic. It uses arbitrary-length fixed point arithmetic, and can handle any size numbers, only limited by the size of your screen (and in the case of division with an integer result, the speed at which the number can be factored). It is also quite configurable, allowing you to tailor the questions to your needs.
Spanish Word Searches allows you to generate and play randomly-generated word searches based on 1,200 items of basic Spanish vocabulary split into topics. You can select to play the word searches on vocabulary from any combination of themes and specify the size of the grid, number of words, and difficulty parameters. The program also contains a link to the iPad version of the word search application.
MorseCodr is a program for practising Morse code communication. You can connect to other users and send Morse signals that are automatically interpreted by the program. Once you become more proficient, you can reduce the amount of display and interpretation provided. It features Morse code tape display, dot/dash colouring, letter interpretation, and adjustable speed.
German Word Searches allows you to play on-screen word searches to reinforce core German vocabulary. The user can select any combination of 20+ built-in topics, containing a total of 1,200 items of vocabulary. The size and overall difficulty of word searches can also be configured.