Qutum 
Qutum, short for quantum, is a simple, efficient, powerful and layered programming language.
Project hosted here.
Feature
Layer 1
- Quite concise semantic and syntax
- No side effect pure functional
- Data flow
- Pure object oriented
- Memory safety
- Closure function
- Named parameter
- Default parameter
- No null nor nil
- Multiple inheritence without name conflict
- Static type
- Type inference
- Polymorphic generic type
- Duck typing
- Declarative concurrence
Layer 2
- Javascript backend
- C backend
- ObjectiveC backend
- Aggressive memory management
- Global garbage collection
- Integer optimization
- Tail recursion elimination
Try Qutum 10 online (Adobe Flash Player 10 required)
License
Code license of Qutum is GNU General Public License version 3.
Content license of Qutum is Creative Commons 3.0 BY-SA.
Copyright
Copyright 2008-2010 Qianyan Cai.