icon Gallery is described as 'Search and browse our Icon Gallery of the finest high quality free icons on the web'. There are more than 25 alternatives to icon Gallery, not only websites but also apps for a variety of platforms, including Windows, Mac, Figma and Adobe Illustrator. The best alternative is Flaticon, which is free. Other great sites and apps similar to icon Gallery are Iconfinder (Free), IcoMoon (Freemium, Open Source), Icons8 (Freemium) and IconArchive (Free).
IconArchive is a professional tag and color filter based icon search engine with more than 290,000 icons for web developers, end users and graphic artists. You can collect, organize & share your favorite icons here with ease.
Futuramo Icons is a system of user interface icons with instant search and tools for size, color, style, swatches. The 16-style matrix makes the web app unique. It is a comprehensive, visually compatible, always expanding professional icon system.