Ideas which will covers all Basic Appian Features with good complexity - New To Appian.
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I would recommend you to Log in to Community via below link.It covers all topics with application development step by step based on skill and level.https://appian.com/landing/community-edition/get-started
Appian Tutorialshttps://docs.appian.com/suite/help/25.2/Tutorials.html
A few project ideas are attached that involve integrations. I would recommend you can either use dummy data from freely available APIs, or you can create data in Appian and expose it as a Web API, then consume the same data in your application using integrations.PDFPDFPDF