Fbrushes are a rich collection with over 5000 high quality Bruches ("F" stands for Free). FBrushes offers 3 different types of brush, pattern and testure, for both Adobe Photoshop and Adobe Illustrator. As with the above services, you can use the site's default search toolbar or browse through topics to find your options. In addition, before downloading, you can view previous reviews of users under Brushes.
Link: http://fbrushes.com/
BrushLovers is a web site for brush enthusiasts, focusing on the brush and trying to bring out the best experience for graphic designers. For that reason, BrushLovers have a multitude of different brushes from the most common, most unusual, most creative and inspiring needs of the designer.
The only thing to note when downloading the brush on BrushLovers is that you must read the license carefully to avoid copyright issues. BrushLover's team is always ready to help if you need it.
Download link: http://www.brushlovers.com/
Photoshop.cc is like a precious resource repository for Photoshop users. The website stores thousands of resources for Photoshop, including Brushe, Stroke, Font, Shape, Style, Pattern and even PSD files. There is a lot of content, but it's easy to find because they are carefully sorted, and also pleasant. The website also synthesizes up-trend content, you can follow them to get the best experience.
Download link: http://photoshop.cc/brushes
With over 22,000 unique Brush packs, with a variety of options to choose from. Besides the brush, the site also has vector graphics, PSD files, which help millions of users complete their designs with a sense of satisfaction.
Link download: http://all-free-download.com/photoshop-brushes/
If you still do not have the choice, you can refer to this service. The brushes here are contributed by the Photoshop user community, so you can be assured of their diversity.
Link: https://www.deviantart.com/resources/applications/psbrushes/whats-hot/
Although only 3,000 brushes are available, QBrushes will ensure that you do not need to create more blocks on your design to complete. Instead, just visit QBrush, find the exact brush you need by entering the name in the search box and enjoy. With QBrushes, you can also share brushes you create with your community.
Download link: https://qbrushes.net/
inObscuro is a personal website of Nela Dunato, a graphic designer, who has spent 10 years building interesting Photoshop content and sharing it for free through the inObscuro website. Nela also provides advanced resources for those who can recognize her sharp skills in creating unique Photoshop content.
Link download: http://inobscuro.com/brushes
Hopefully, with the above Photoshop brush sources, you can find the right set of brushes for your upcoming design.
See also: Photoshop CS: How to create and use Brush (Part 1)