Two photographers personally shot photos which can be downloaded without registering and released under CC0 license, meaning it can be used for free and the resolution is fairly high, worth saving.
Photoshop 省時新功能
Photoshop has reached its 25th year. In this tutorial, we will share the latest added features and optimized items with a focus on "time-saving" and "easy for beginners". The goal is to help designers save more overtime and turn their "black liver" back to "pink liver". (Please don't forget to go to the emergency room if it really turns pink!)
designcode
Download the iPad GUI for iOS 9, UI designers hurry up and download it to worship. However, the file format it provides is .sketch and can only be opened with Sketch QQ.
Mazwai
This website provides free videos for download, which can be used for commercial purposes and can be shared or modified with the video content, but the original author's name must be indicated. There are many high-quality videos.
smallpdf
The website provides a free tool for compressing/merging/splitting/decrypting PDF files and can also convert PDF, PPT, Excel, Word, and JPG files.
直物
每個設計人的血液裡，據說含有 79.3% 的【文具控】血統，這個網站專門販售未被人們發現的美好物品，並運用絕美照片與動人的文字魅力介紹給大家，快來犒賞一整天的辛苦工作吧。
旅遊日記
A travel photo sharing platform with CC0 open license, shared by people from all over the world for unrestricted use, you can also share your photos and advertise your website.
包裝刀模下載
Translate the following Traditional Chinese into English: Designers will take on some design projects after work, but it is difficult to step out of different life circles, with online courses becoming more common.
psdrepo
This website collects PSD materials provided by designers from all over the world, including buttons, icons, mobile devices, UI interfaces, and web templates. It is free to download without registration and includes the original designer's web description.
picasa2html
Generate HTML or BB code for public photos in Google Photos or Picasa albums, making it convenient to use on blogs or forums.
typeform
An online form-making tool that is very interesting. The interface is very clean and good-looking, and there are many interesting templates built-in that you can apply directly, such as wedding invitations, surveys, customer service systems, etc., with support for Chinese input.
iOS 9 GUI
A collection of GUI interface design materials for iOS 9, made by multiple designers from around the world. Includes both PSD and vector files for use by UI designers as a reference tool.
Update: Service may have ended.