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The ultimate replacement for spreadsheets, mind mappers, outliners, PIMs, text editors and small databases. Suitable for any kind of data organization, such as Todo lists, calendars, project management, brainstorming, organizing ideas, planning, requirements gathering, presentation of information, etc. It's like a spreadsheet, immediately familiar, but much more suitable for complex data because it's hierarchical. It's like a mind mapper, but more organized and compact. It's like an outliner, but in more than one dimension. It's like a text editor, but with structure.

Aseprite is an open source program to create animated sprites. Its main features are: * Sprites are composed by layers & frames (as separated concepts). * Supported color modes: RGBA, Indexed (palettes up to 256 colors), and Grayscale. * Load/save sequence of PNG files and GIF animations (and FLC, FLI, JPG, BMP, PCX, TGA). * Export/import animations to/from Sprite Sheets. * Tiled drawing mode, useful to draw patterns and textures. * Undo/Redo for every operation. * Real-time animation preview. * Multiple editors support. * Pixel-art specific tools like filled Contour, Polygon, Shading mode, etc. * Onion skinning

Less is a program similar to more(1), but which allows backward movement in the file as well as forward movement. Also, less does not have to read the entire input file before starting, so with large input files it starts up faster than text editors like vi(1). This enhanced less support ISO 2022 code extension techniqes and Japanese codes(EUC Japanese, SJIS) and compressed(or gzipped) file viewing. The author of the patch is jam@pobox.com, and the UTF-8 support patch is written by bogytech.

The clean utility searches through the filesystem for "temporary files" left behind by editors and the like which can be deleted safely. WARNING: This program was written with the express purpose of deleting (unwanted) files. Please be certain that you understand this program and that you really want to use such an automatic deletion process before you begin. [ On the other hand, I've been using it for over ten years without doing anything worse than not having a core.1 manpage. The normal mode is interactive and prompts for confirmation. You are advised to have backups before using the non-interactive batch mode. ] -Chuck Swiger <chuck@pkix.net>

Tex2im is a simple tool that converts LaTeX formulas into high resolution pixmap graphics for inclusion in text processors or presentations. I encountered the problem that the formulas generated by the editors of common office packages usually were the ugliest part of my scientific presentations; on the other hand I didn't want to use latex for my transparencies. On the latex side I'm aware of the slitex and foiltex packages, nevertheless I consider them to be masochistic. EPS import can be nice, but commonly you get either display or printing problems. Also, often its nice just to copy formulas out of you latex documents.

Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button. The selection can be copied to clipboard but the original table disposition is lost making ugly results when you paste the text on datasheet applications (eg excel). If you want to paste data in Microsoft Excel on OpenOffice Calc with correct disposition simply use Table2Clipboard. Pasting in plain text editors is also supported as CSV file (but you can change rows and columns separators from option dialog)

Scintilla is a free source code editing component. As well as features found in standard text editing components, Scintilla includes features especially useful when editing and debugging source code. These include support for syntax styling, error indicators, code completion and call tips. The selection margin can contain markers like those used in debuggers to indicate breakpoints and the current line. Styling choices are more open than with many editors, allowing the use of proportional fonts, bold and italics, multiple foreground and background colours and multiple fonts. It comes with complete source code and may be used in any free project or commercial product.

The Irrlicht Engine is an open source high performance realtime 3D engine written in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderer, and has all of the state-of-the-art features which can be found in commercial 3d engines. It has a huge active community, and there are lots of games in development that use the engine. You can find enhancements for Irrlicht all over the web, like alternative terrain renderers, portal renderers, world layers, tutorials, editors, bindings for java, perl, ruby, python, and so on.

RDB is a fast, portable, relational database management system without arbitrary limits, (other than memory and processor speed) that runs under, and interacts with, the UNIX Operating system. It uses the Operator/Stream DBMS paradigm described in "Unix Review", March, 1991, page 24, entitled "A 4GL Language". There are a number of "operators" that each perform a unique function on the data. The "stream" is supplied by the UNIX Input/Output redirection mechanism. Therefore each operator processes some data and then passes it along to the next operator via the UNIX pipe function. This is very efficient as UNIX pipes are implemented in memory (at least in versions of UNIX at RAND). RDB is compliant with the "Relational Model". The data is contained in regular UNIX ASCII files, and so can be manipulated by regular UNIX utilities, e.g. ls, wc, mv, cp, cat, more, less, editors like the RAND editor 'e', head, RCS, etc.

TrenchBroom is a modern, cross platform level editor for Quake-engine based games. It currently supports Quake, Quake 2, and Hexen 2, is easy to use, and provides many simple and advanced tools to make complex and interesting levels with ease. Some of its features: - True 3D editing, no 2D views required - High performance renderer with support for huge maps - Vertex editing with edge and face splitting that will not create invalid brushes - Manipulation of multiple vertices at once (great for trisoup editing) - Move, rotate, and flip brushes and entities - Precise texture lock for all operations - Smart entity property editors - Graphical entity browser with drag and drop support - Comprehensive texture application and manipulation tools - Search and filter functions - Unlimited undo and redo - Point file support - Support for FGD and DEF entity definition files, mods, and multiple WAD files