1. While doing, change the model (Build-and-Fix Model).
2. The waterfall model (Waterfall Model);
3. Rapid Prototype Model (rapid prototyping);
4. Incremental Model;
5.The spiral model (Spiral Model);
6.Evolution model (evolution model);
7.The fountain model (fountain model);
8.Intelligent model (four generation technology (4GL));
9.Agile development model (agile development model);
10.RADRapid (Application Development);