Nibble Forms 2 is a PHP form class which allows developers to quickly create HTML5 forms and validate submitted results. An evolution of the original Nibble Forms class, it follows some of the key principles of Nibble Forms: It's simple to instantiate, it uses simple form field calls, it's flexible, and it provides validation out of the box.
safe numerics provides safe integer operations for C++ integers. Arithmetic operations in C++ are not guaranteed to yield the correct mathematical result. The feature is inherited from the early days of C, when the behavior of int, unsigned int, and others were designed to map closely to the underlying hardware. These types can silently overflow or change sign. This library contains drop-in replacements for the standard C types which throw exceptions whenever invalid operations occur.
cqueues is a comprehensive event and networking library for Lua 5.2 and LuaJIT using modern Unix O(1) polling facilities. It includes libraries for buffered socket I/O, SSL/TLS sockets, DNS querying, signal handling, threading, file change notification, and X.509 key management. It natively supports Linux, *BSD, OS X, and Solaris systems without third-party dependencies, and is interoperable with any event loop that accepts plain descriptors, or is usable standalone.
Qtnp is program for math\physics teachers and students. There 4 tools: Pen, Line, Jogged line, and Circle. The software can draw grids, coordinate planes, and graphics. It has flexible settings, presentation mode, support for all base formats, a GUI for blackboards/tablets, and a built-in powerful calculator.