A very simple invoices app concept for your inspiration. Free PSD designed and released by Monika Majkowska.
Here is a Skype app concept built with Material Design by Google. Free PSD created and released by IndiaNIC.
Skype app concept with Material UI
Here is a complete GUI pack including some Apple Watch apps concepts. Free PSD designed and released by Jan Losert and Lukáš Kus.
Apple Watch apps UI
TETHR is an impressive and complete UI kit for iOS design. This resource is free for a limited time only! Released by Invision.
TETHR – iOS design kit
Redesigned Facebook app using Android Material Design philosophy. Free PSD created and released by Ruban Khalid.
Facebook Material Design – Free PSD
Exclusive freebie of this week is an Android Material Design free PSD by Donart Selimi. It includes 5 screens and an some UI elements.
Android Material Design
Exclusive
Here is a useful free PSD UI kit for Instagram app. Material design created and released by Zach Buechler.
Instagram UI material design PSD
Here is the profile page concept for a mobile app. Free PSD designed and released by Alexander.
App profile page – PSD concept
Here is a small UI kit including some login/signup screens for iOS. Free PSD released by Freecreative.
Login UI kit for iOS
A Google app UI concept designed with Photoshop shapes. Free PSD created and released by Dimple Bhavsar.
Google app concept UI
Here is an iOS style music app user interface created with Photoshop. Free PSD designed and released by Mạnh Nguyễn Tiến.