Ubooquity is a lightweight and easy-to-use home server for your comics and ebooks. It allows access to your files from anywhere, with a tablet, an e-reader, a phone, or a computer. Ubooquity offers a Web administration page (if you prefer to do everything through your browser), user management with secured access (to decide who can see what), and an online comic reader (to read your comics without downloading huge files), and it supports many types of files, with a preference for epub, zip (cbz), rar (cbr), and PDF files.
MathMod is mathematical software for visualizing and animating parametric and implicit surfaces. It is an extension/rewrite of the K3DSurf project. It supports 3D/4D plotting and animation, a scripting language, a JSON file format with a large set of scripted examples, and an OBJ output file of the 3D mesh.
phpHackerPortal is a portal site with dynamic Web pages for hackers, including programmers, artists, and designers. It features a movie database with with pictures, widgets, groups of users, notebook, pixel art and animations of 8x8 images, a Scheme and C interpreter, utilities, and many libraries with PHP routines, CSS, and lots more.
Pybik is an interactive, graphical, single player puzzle about the cube invented by Ernő Rubik. Besides the cube, the program can handle towers and bricks (non-cubic puzzles). Pybik also has solvers, pretty patterns, and a collection of various moves. The cube can be manipulated with the mouse or keyboard. You can change the colors or images on the faces of the cube.