Gaupol is an editor for text-based subtitle files. It supports multiple subtitle file formats and provides means of creating subtitles, editing text, and timing subtitles to match video. The user interface is designed with attention to batch processing of multiple documents and convenience of translating.
RTextDoc is a text editor with proofreading. It is designed for typesetting professional research papers and manuals using the LaTeX, AsciiDoc, and DocBook markup languages. It includes on-the-fly spelling and grammar checking, syntax highlighting, bracket matching, folding, a document structure browser for sections and labels, bookmarks, a manager for LaTeX symbols, WYSIWYG equation editor, and integrated BibTex database manager.
Notepas is a multi-platform text editor written in Lazarus which can be compiled for multiple platforms and widget sets using the advanced native Free Pascal Compiler. Aimed at developers, it has some functions usually not found in other text editors and introduces some new exclusive features.
yEd is a powerful diagram editor which can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams, organization charts, mind maps, Entity Relationship diagrams, and many other kinds of diagrams, graphs, and networks. Choose from a wide range of highly sophisticated layout algorithms to automatically arrange diagrams in no time. An intuitive and visually appealing user interface makes creating diagrams fun. Once a diagram has been created, it's easy to save, print, or export it to popular formats like PDF, SWF, EMF, SVG, JPEG, GIF, PNG, or HTML image maps.
mtCellEdit is a lightweight spreadsheet program. Its main goal is to provide facilities for simple day-to-day tasks using a minimal graphical user interface. It uses TSV based file formats to ensure that archived data is always accessible to other programs, regardless of operating system, both now and in the future. These "other programs" might be spreadsheet programs, text editors, command line tools, or custom built programs. It is written from scratch and provides all of its core facilities via a library, so any C program can access its API.
TeXstudio is a fully featured LaTeX editor. It is designed to make writing LaTeX documents as easy and comfortable as possible. It features an integrated PDF viewer with (almost) word-level synchronization, live inline preview, advanced syntax highlighting, and live checking of references, citations, LaTeX commands, spelling, and grammar.
gEcrit is a source code editor oriented toward Python. It tries to keep the interface as clean as possible and keep the menus simple. It features all the common features a Python programmer might need, including an interactive Python interpreter and operating system shell. It supports a plugin system for expandability.
FXiTe is an advanced cross-platform text editor built with the Fox GUI toolkit and the FXScintilla text widget. It features built-in syntax highlighting for 40+ languages, an embedded Lua scripting engine, macro recording and playback, multi-line regular expression search and replace, rudimentary ctags and calltip support, a flexible interface to external tools, and a built-in "message window" to capture the output of external commands such as compiler error messages, etc.