Here's an article on Napa tools, an amazing tool to build apps for Office and SharePoint. It builds apps without installation of any software or an environment and can be built directly through the same browser.

We'll see various kinds of apps we can make using this amazing tool in the subsequent parts of this article.

Let's see how to use this app in Office 365 and SharePoint 2013, so let's install it.

We'll see the installation step-by-step and follow it since we will be using it in our various articles.

The following are the types of app you can build:

Don't worry, you don't need to take permissions from admin to deploy these apps that you build or raise change control since the deploying of these apps are as easy as a click.

No Visual Studio, Script editors and so on are required.

So now we have our tool installed, let's see in other articles some more details of how to build them. Until then, keep learning!

Cheers!