ForgAE is an æternity framework for creating & initializing æpp projects. It provides commands to run a local node and to compile, deploy, and test smart contracts. ForgAE will be part of the Dev Suite.
ForgAE’s init command will get you started with a template of the basic structure for your æpp project. Have a look at the GitHub repository containing various libraries and examples in Sophia. From there on, you can build out more complex decentralized æpps! In case you run into any trouble, you can ask your technical questions on the æternity forum and get answers from the æternity team.