la-capitaine-icon-theme - La Capitaine is an icon pack designed to integrate with most desktop environments

La Capitaine is an icon pack — designed to integrate with most desktop environments. The set of icons takes inspiration from the latest iterations of macOS and Google's Material Design through the use of visually pleasing gradients, shadowing, and simple icon geometry.La Capitaine comes with a configuration script which attempts to determine your distribution and desktop environment. Using this information, La Capitaine updates several system icons and icons used for mime-types.

simple-icons - SVG icons for popular brands

•    HTML

Free SVG icons for popular brands. See them all on one page at SimpleIcons.org. Contributions, corrections & requests can be made on GitHub. Started by Dan Leech. Icons can be downloaded as SVGs directly from our website - simply click the icon you want, and the download should start automatically.

cryptocoins - Cryptocoins is the most complete vector/webfont icon pack of your favourite cryptocurrencies

•    CSS

Cryptocoins is the most complete free vector iconpack of your favourite cryptocurrencies. Available in webfont & SVG format for taking advantage of small file sizes and unlimited scalability, Cryptocoins are perfect for usage on the web – right where they belong. Use them all or just the ones you need.

react-native-vector-icons - Customizable Icons for React Native with support for NavBar/TabBar/ToolbarAndroid, image source and full styling

•    Javascript

Customizable Icons for React Native with support for NavBar/TabBar/ToolbarAndroid, image source and full styling.

boxicons - High Quality web friendly icons

•    CSS

'Boxicons' is a carefully designed open source iconset with 700+ icons. It's crafted to look enrich your website/app experience. Total of 798 icons in regular, solid styles.

polar-dashboard - Sick of the same-old? Try a new, sexy dashboard for icon packs.

•    Java

A tutorial is available on this repository's website.

MahApps.Metro.IconPacks - Some awesome icons for WPF and UWP all together...

•    CSharp

for WPF and UWP apps in a simple way.It's not necessary to install MahApps.Metro (for WPF), but it makes your application nicer.

fontisto - The iconic font and CSS toolkit

•    CSS

Fontisto is a full suite of 616+ pictographic icons for easy scalable vector graphics on websites, created and maintained by Kenan Gündoğan. Stay up to date with the latest release and announcements on Twitter: @fontisto. Within the download you'll find the following directories and files, logically grouping common assets and providing both compiled and minified variations.

iconpack-obsidian - Gnome Icon Pack based upon Faenza, optimized for dark themes

Clone or download the repo and move the containing folders to your ~/.icons directory, or to /usr/share/icons (needs root access).

Arc-OSX-Icons - Arc-OSX icon collection consists of a modern free desktop icon theme whose design is based around the use of bold colours and simple geometric shapes to compose icons with pixel perfect rendering

•    Shell

The icon collection consists of a modern free desktop icon theme pack whose design is based around the use of bold colours and simple geometric shapes to compose icons with pixel perfect rendering.The reason behind this icon theme pack is to enable new users to easily install the preconfigured arc icon theme to look and feel consistent to how I intended OSX-Arc theme collection to look, having been asked a few times “how do I get my desktop looking like the screen shots?” I decided to remix and preconfigure this icon pack to enable new users to just extract it directly to their icons folder without having to configure the arc icon theme themselves and also it allowed me to pack all the recommended icon themes in one source.

IconFontKit - Icon fonts toolkit for iOS.

•    Objective-C

IconFontKit provides a convenient toolkit to use icon fonts for iOS development. An icon can be created by three ways: code like @"\uf179", type like IFFAApple, identifier like @"fa-apple". The code and type way are recommended.

plane-icon-theme - Is a modern icon theme for gnome linux versions.

•    Javascript

The folder ./src/variants/* contains all possible icon variants and the var variants in the gulpfile.js have an array with all posible icon set variants. Allows hot editing, gulp watch auto will generate the icon and if you pass the parameter will update the icon set.

Blueprint - Free, feature-rich, easily customizable Android dashboard for icon packs

•    Kotlin

A full-of-features, easy-to-customize, free and open source, light-weight, Android dashboard library for icon packs.

IconShowcase - Full-of-features, easy-to-customize, free and open source, Material Design dashboard for icon packs

•    Java

This project is no longer actively maintained. It does its job, but there are no plans to extend, change, update or improve it. Everything you need to know can be found in the Wiki site.

IconShowcase-Dashboard - A full-of-features, easy-to-customize, free and open source, Material Design dashboard for icon packs

•    Java

This project is no longer actively maintained. It does its job, but there are no plans to extend, change, update or improve it. Everything you need to know can be found in the Wiki site.

ikonate - fully customisable & accessible vector icons

•    Javascript

Ikonate are fully customisable & accessible*, well-optimised vector icons. You can also follow the documentation below to generate generic demo files with all the available icons and customise them manually.

awesome-iconjar - Collect free icon set for iconjar.

Free IconSet collection for IconJar.

iconpack-delft - Continuation of Faenza icon theme with up to date app icons

Clone or download the repo and move the containing folders to your ~/.local/share/icons directory, or to /usr/share/icons (needs root access).