Unsplash:Unsplash is a website that provides high-quality free photos and illustrations. You can find all kinds of photos and illustrations here, including scenery, people, architecture, technology and so on.

Pexels:Pexels is a website that provides high-quality free photos and videos, where you can find all kinds of materials, including scenery, people, architecture, technology and so on. It also provides an easy-to-use search function, so that you can easily find the information that meets the requirements.

Pixabay:Pixabay is a website that provides high-quality free photos, illustrations and videos. You can find all kinds of materials here, including scenery, people, architecture, technology and so on. It also provides easy-to-use search functions and filters, so that you can easily find materials that meet your requirements.

Freepik:Freepik is a website that provides free vector graphics, PSD files, icons and illustrations. It provides a huge material library, where you can find all kinds of materials, including commercial and non-commercial uses.

Canva:Canva is a graphic design platform, which provides a huge material library, including photos, illustrations, icons, backgrounds, words and so on. Although its free material library is limited, it also provides subscription service, which allows you to get in touch with more high-quality materials.

Jusoutu: Jusoutu is a platform suitable for designers to search websites, including all kinds of material websites, with one-click direct access, simple introduction and new ones every week.

These free materials websites provide various materials and resources, which can help designers save time and cost in their work. Whether you need photos, illustrations, icons or vector graphics, these websites can help you.