Editra is a general, extensible, multi-platform text editor with an implementation that focuses on creating a clean and easy-to-use interface with features that aid in code development. Currently, it supports syntax highlighting and variety of other useful features for more than 60 programing languages.
iloog is a Gentoo-based live CD targeted mainly at students and scientists. It features UnionFS filesystem support that enables you to write everywhere on the LiveCD and install extra packages, a graphical X environment through the Fluxbox window manager, many programming editors and IDEs, and a plethora of scientific applications, including Octave, Namd, Merlin, and full (La)TeX support.
Trowser is a browser for large line-oriented text files (such as debug traces). It's meant as an alternative to "less". Compared to less, trowser adds color highlighting, a persistent search history, graphical bookmarking, separate search result windows, and flexible skipping of input from pipes to STDIN. Trowser has a graphical interface, but is designed to allow browsing via the keyboard at least to the same extent as less. Key bindings and the cursor positioning concept are derived from vim.
The Ecere SDK is a cross-platform toolkit for building software applications. It currently runs on Windows, Linux, Mac OS X (through X11), FreeBSD, and the Android OS. It should run on other Unix platforms with minor testing/tweaking. With the Ecere SDK, you can develop applications once and deploy them on all supported platforms alongside a lightweight runtime environment. It introduces eC, an object oriented language derived from and fully compatible with C, compromising neither runtime performance nor ease of use. A built-in 3D engine supporting both Direct3D and OpenGL is fully integrated.
The pickle module implements a fundamental, but powerful algorithm for serializing and de-serializing a Python object structure. Pedit is an interactive editor for such data structures, making them handy on the command line. The code is a work in progress, but is currently useful.
WAscii is a Web frontend intended to display an AsciiDoc documentation repository. It allows you to search and browse your documentation files and automatically converts AsciiDoc to HTML, PDF, and ODF documents. It is intended to work directly from a subversion repository containing your AsciiDoc files.