Axialis IconGenerator is a free icon production tool for professional developers, UI designers and illustrators. It lets you create icons in seconds from a database of ready-to-use icon sets. Supported vector formats are SVG, XAML, PDF, EPS, PS. You can also generate bitmap icons at all standard and custom sizes in PNG, BMP, JPEG, Windows ICO, Mac ICNS and Image Strip. Various overlay images are provided in each set to customize your icons.
Create and edit icon files for Windows, iPhone, iPad, Apple Watch, and Android with professional yet easy-to-use Icon Editor. IconEdit2 has full support for semi-transparency and multi-image icon files. Easily manage color depths and image sizes. Open/Save ICO, Import/Export GIF, TIFF, BMP, JPEG or PNG image files. One-click image export for iPhone, iPad, Apple Watch, or Android.
Icons8 app allows to search icons and insert directly into Photoshop, Xcode or anything. Contains 5000+ free icons for developers and designers. Icons are in PNG format in multiple sizes from 25x25px to 512x512 px, in iOS 7, Android and Windows 8 styles. The application resides in status bar and allows to search by tags, drag to Xcode, Photoshop or anything. Vector icons are not included into the application and available for a fee.