Getting illustrations to compliment your design work or to use within your project can be hard. In order to save you some valuable time, I have put together a list of websites that offer free Illustrations that you can use for all your needs.

Draw Kit
SVG illustrations that you to use in your next projects, in two different styles.

Humaaans
Trendy mix-&-match illustrations of people with a design library for InVIsion Studio and Sketch

Ouch
Ouch helps creators and designers who don't draw overcome the lack of quality graphics. You can download free illustrations from top Dribbble artists to class up your product.

unDraw
Open-source illustrations for any idea you can imagine and create. Comes in super handy when you are designing a website or an app.

Open Peeps
Hand-drawn illustration library to create scenes of people. You can use them in a product, marketing, comics, product states, user flows, personas, storyboarding, invitations, or whatever you want!

Lukaszadam
You can find MIT licensed SVG illustration images in different shapes & styles.

ManyPixels
Each week, manypixels offers royalty-free illustrations that you can use to power up your projects. You can use them in a commercial or non-commercial way for your landing pages, blog posts, email newsletters, social media graphics and more!

Vivid.js
Ready to use Free and Open Source SVG Icons Pack JavaScript Library. Vivid.js have 90+ pixel perfect and handcrafted ready to use icons.

IRA Design
IRA Designs allows you to build your own amazing illustrations, using their gradients and hand-drawn sketch components. (MIT License)

Interfacer
A collection of 300+ free design resources found on the Web.