Solend LITE is a lightweight open-source client to the Solend program. It serves as a backup site, a starting point for third-party applications built on top of solend, and a way to personally host your own Solend client.
Solend LITE is a great resource to get started with programming with the Solend program. Check out how the SDK code is used to make transactions, or fork and reskin Solend LITE into your very own specialized client.
Check out there code here.