Classy icons crafted according to Microsoft guidelines. Available in PNG and SVG. Free for a link
Feather Icons - Simply beautiful open source icons
Brandkey.io - Brandkey's Logo API, Colour API and Website Categorization API. All the website data you need for $100pm per 5000 API Requests. Highly Accurate & Simple Integration.
IconStore - Free icon packs by first-class designers
The Companies API - Search and enrich 54 million companies, find similar businesses, and detect their employees. Use our API and data to supercharge your product or marketing tools.
Flat Icons - 20,000 unique, customizable icons with free lifetime updates
Logo Grabber - Grab any site's logo in a click ✨