This website offers weekly updates of design materials that can be downloaded without registration for use in personal and commercial projects.
Gantt.io
Free online Gantt chart generator, Gantt chart is a bar chart used to display projects and progress, managers can monitor the progress of various tasks in a project through Gantt chart, and view the progress of other projects, it is convenient and fast to grasp the progress, the basic account is enough to use, and the paid account can have "more styles to design".
EaseUS Data Recovery Wizard
If the design files are accidentally deleted, it's a crying shame. This free data recovery software can restore deleted or formatted data. The free version can only recover a limited number of files, but with the paid version, you can unlock the ability to restore more files. If the lost data is very important, paying a small fee to recover it is a great value.
Firefox Send
This is a free file download space, where free account users can upload a single file of 1.5GB. After registering as a free member, the limit increases to 2.5GB per single file. There are options to set download passwords and limits on download times, as well as file destruction after a certain number of days.
Sucuri SiteCheck
This website scans whether a website has any malicious programs and checks if it has been blacklisted by online virus scanners. It also provides a risk assessment and suggestions for improvement, as well as information such as the website's IP address, CMS, and CDN.
The Apple Archive
The website is an unofficial history of Apple, starting from 1970, it records the events that happened in each period of Apple, and also includes introductions of the products that were released. It is a great resource for Apple enthusiasts and design professionals who use Mac computers.
OPPO Sans
OPPO is a well-known smartphone manufacturer, they are sharing a font called "OPPO Sans" for free, it can be used for commercial purposes, but cannot be claimed as self-made. The Chinese part of the font is designed by Han Yi fonts, while the English part is designed by Pentagram, an American design company.
Old Book Illustrations
This website collects many beautiful illustrations from old books, reorganizes and indexes them, and provides them for free to everyone for search and use. You do not need to register to download them for free. Under each illustration, you can see the source of the picture and related information. Almost all the pictures inside are CC0 licensed and can be used for commercial use without attribution.
GameSnacks
Sometimes playing games is a good way to relax, but buying games and only playing them a few times is a waste of money and phone storage. Now, Google's internal incubator, Area 120, has a new project called GameSnacks, which is a platform for games designed with HTML 5 architecture. They are all free to play, even on lightweight mobile phones or tablets, as long as the device has 1GB of memory and internet speed of 1Mbps. The games can be opened quickly without the need for downloading, allowing you to easily enjoy your gaming time.
Palettable
This is an online color tool that allows you to select a main color, then randomly displays colors that can be changed according to your preferences. These random combinations are based on the experience of millions of designers. Finally, you can get five well-matched color combinations that can be exported as PNG images with color codes or fixed URLs.
Unminus
Free mp3 music material download, can be used for personal or commercial use, with simple style classification, can play online to listen, can directly download MP3 files without registration, oh, this service is also produced by the well-known free stock website Unsplash.
65枚鐵鏽素材
I have compiled a collection of rusty materials for everyone, which were collected from various free material websites, and can be used for commercial purposes. There are a total of 65 pictures, and if you download all of them, the total file size is about 280MB.