Pencil is a free, open-source sketch mapping and GUI prototyping tool from Vietnam. Its hand-painted style can match the effect of drawing on paper veritably, and can independently run on Windows, Linux and Mac OS platforms or even installed as plugin of Firefox.

EZDML is a free lightweight but practical database builder from China, with which we can quickly design a database table structure, and set up the data model. To a certain extent, we can see it as a super lite version of many commonly used database modeling tools (such as SAP PowerDesigner, CA ERwin, ER/Studio, Rational Rose family, and so on).

Probably because too much stress on the server or just for reasons of throttling, using the Microsoft's official web/online installer for Visual Studio to try to install it on your Windows is a gruelling long process with many tribulations (your network must be stable enough, otherwise that might fall by the wayside over and over). Therefore, this collection post was born.

MoleBox Virtualization Solution (MoleBox VS for short) is a real-time software visualization/distributing tool with not perfect but professional and complete functions. It can package some software on Windows along with all of its auxiliary/necessary data and components into a single executable file (EXE), which can run the same as before or even faster.

MinGW (formerly mingw32, short for Minimalist GNU for Window) is a minimalist free, open source and the most important, pretty darned good compiler for Windows application development using C/C++.