Official icons and logos

about.me

Alvanista

AngelList

asciinema

Bandcamp

beBee

Behance

Bitbucket

Bitcoin

ChallengePost (now renamed to Devpost)

ChangeTip

CheckiO

CodePen

Coderwall

Crunchyroll

deviantART

Devpost

DigitalOcean

Discord

Disqus

Drawception

Dropbox

Ello

Facebook

Flattr

Flickr

Foodspotting

Foursquare

Fundacity

Game Jolt

GitHub

Gmail

Goodreads

Google+

Gratipay

Gravatar

Greasy Fork

Grooveshark

HackerRank

HackHands

hitbox

ICQ

IFTTT

Imgur

Instagram

Instructables

italki

itch.io

Kickstarter

Kongregate

Last.fm

LinkedIn

Medium

Meetup

Myspace

Newgrounds

Openclipart

OpenGameArt.org

Patreon

PayPal

Pinterest

Pixel Joint

Playfire

Pluralsight

Pocket

reddit

Regex Crossword

RSS

Shadertoy

Skype

Slides

SlideShare

Snapchat

SoundCloud

Speaker Deck

Stack Exchange and Stack Overflow

Steam

Stellar

StumbleUpon

Stylish / userstyles

Telegram

TopCoder

Tumblr

TuneIn

Twitch

Twitter

Uber

Userscripts

Vimeo

VK

YouTube

Other icons and logos

Colorful

Monochrome