intime allows you to use drag and drop to generate or modify a school's weekly schedule; given students' grouping and curriculum, it can assign teachers, times, and rooms to the lessons.
TNTT (The Note-Taking Tool) is a note-taking application tailored for use by students in academic environments; makes use of the well-accepted Cornell Note-Taking method.
asigna receives information about the schedule of a school and some of its constraints, and with that it tries to arrange a schedule that satisfy the contraints; highly portable and has a simple UI.
Code-Forge is an advanced integrated development environment (IDE) that provides full project management and complete edit/compile/debug cycle support for over 30 programming languages.
GNU Aspell is a spell checker designed to eventually replace Ispell; can either be used as a library or as an independent spell checker with the superior job of suggesting possible replacements for a misspelled word.
Cream is a configuration of the famous Vim text editor that makes it easier to use, like an Apple- or Windows-style text editor; seamlessly maintains Vim's insertmode to access all the power of the original Vim, plus many custom Cream extensions.
Asbru Web Content Editor is a cross-browser and cross-platform WYSIWYG HTML/XHTML web content editor component for Web designers and programmers; can be integrated into web applications to give non-technical users access to create and update web content.
Minimum Profit (mp) is a programmer's text editor; features small memory and disk requirements, syntax highlighting, context-sensitive help for the source code being edited, and more.