The Brightpearl App Store allows you to extend Brightpearl with the exact capabilities you need, such as web store integrations, forecasting tools, reporting tools and more. It can be accessed by clicking "App store" on the top right-hand side of any page:
Brightpearl has a list of public apps, which are approved apps built by Brightpearl or by third-party developers.
It is also possible for a developer to build an app solely for the use of a single account, without listing it on the app store. Learn more about building apps here.
There are also apps that are in beta as some developers want customers to trial apps before making them available to all accounts. If you're interested in seeing apps that are in beta, then you can turn on the relevant setting in Settings > Company > Other options.