常用免费图标icon网站:Icon website
- Noun Project
- icons8
- iconfinder
- Medical Free Vector Art – (22,784 Free Downloads)
- Illustrations | unDraw
- Iconfont-阿里巴巴矢量图标库
- swifticons
- 27 Hot CSS & Vector Icon Resources
- Photoshop Brushes for Free Download
https://zhuanlan.zhihu.com/p/143227021?ivk_sa=1024320u