A simple postgres client I'm working on in my free time: https://sanchosql.com/
Linux only now but it's open source so it should be possible to compile for win/mac
Never planned to make any money out of it, I've made it because I needed it, and to play around with building a unix tool in C. It's pretty simple but it's definitely one of the projects I've had the most fun working on and I still have plenty of things I want to add.
Thanks. Don't know of anything made specifically for learning Chinese unfortunately, but I do hope to extend my project to include Asian languages someday.
1) online platform for learning foreign languages via simple games, currently trying to make it work on mobiles (http://language-monster.com)
2) attempting to create a classic 2D real-time strategy game, although it's in early development: https://github.com/lchsk/knights
I intend to make it work on Linux & Windows
1. There actually are instructions (button in the top left corner, shown during the game). I guess it should be more visible to be useful :)
2. Great idea, I'll certainly think about it!