Author: Open Source Design (More References...)
The Noun Project CC and purchasable icons.
IcoMoon CC icons and free to use icon-font creation software.
Pictogramas Open source free icons for personal and commercial purposes.
ToIcon All icons are licensed under a Creative Commons.
Inkscape Open Symbols Open source icon sets to use as Inkscape symbols.
IconMonstr A large collection of glyph icons from a German artist. Free to use without attribution and free to modify.
FontAwesome The iconic font and CSS toolkit. Free to use. CDN. GitHub.
Font Fabulous A fabulous iconset packaged as a font. Free to use. GitHub.
Remix Icons Huge repo of consistent neutrally styled icons. GitHub
React Icons SVG react icons of popular icon packs. GitHub
Styled Icons Icon packs like Font Awesome, Material Design, and Octicons, available as React Styled Components. GitHub
React Feather Icons Collection of simply beautiful open source icons for React.js. GitHub
Mono Icons A simple, consistent open-source icon set designed to be used in a wide variety of digital products. MIT Licensed. GitHub
FontForge font editor
Metaflop parametric font editor
Prototypo parametric font editor (source code)
Metapolator font editor
Type:Bits collaborative type design workshop
Note: Some of these platforms also take submissions, so if you designed a font with an open license, submit it there!
Libre Graphics magazine print magazine.
Libre Projects collection of nice open source web apps.
Libre Graphics Meeting conference.
Beautiful Open Beautiful sites for Open Source projects.
Open Design and Hardware Group. OKFN open design and hardware group.
PIXLS.US Free/Open Source Photography.
Photos of Design Research on Wikimedia Commons
Checklist Design A collection of the some UX and UI practices.
Untools Tools for better thinking.