The collections of free design resources and graphic design tools. I listed many graphic design resources that make possible to generate and create useful graphics.
Free Design Resources Part I - Generator Apps
These tools generate design resources for you. They are simple tools but generate effective patterns and code. Those are free design resources that you can tweak an use them.
Advanced Blog Generator
CSS Shapes
Pre-made shapes that is completely written by CSS code.

Animista
Easily copy and paste the CSS animations.

Text Column Generator
Split your text through columns by CSS.

Text Shadow CSS Generator
Pre-made text shadows from Mixfont. Easily copy and paste the CSS code.


Clip Path Generator
Easily create a clip path by this free design generator from Uplabs.

A simple clip-path generator made with React. It uses CSS variables to update the node positions for the clip-path and supports the various clip-path styles. Enjoy!
CSS Stripes Generator
SVG Shape
A simple SVG shape generator with minimal options.

Animated Header

This advanced tool provides animated headers with rich customization options.
Glassmorphism Generator

I didn't like neuomorphism so much. However, this year's trend is awesome. Probably, you are familiar with it. Here the glassmorphism generator that produces CSS.

Get Waves

Get Waves is a web app that produce wave pattern in SVG format. Thus, you can manipulate them easily.

SVG Waves

Another generator that produces wave pattern in SVG or PNG formats.
Faux Code Generator
This app requires a link of any GitHub gist. When you provide the source code, the web app transforms it to a faux code graphics.
Neumorphism CSS Generator

This web app allows you to create neumorphism CSS code that you tweak visually.

Soft UI
Another free design resource that makes possible to build neumorphic style code.
Glitch Art
The glitch art generator produces glitch patterns.
Fancy Border Generator

This online design resources allows you to make custom shape borders.
Components.ai
This design resource actually a suit. It consists of many design generator that is produced by machine learning algorithms. Gradients, color scales, voronoi, and bootstrap color palette generator.

Material Shadow
It allows you to add shadows to your icons. You can also select predefined material icons.
Technology Bullshit Generator
If you need flashy words, then this app makes it for you. It create flashy but bullshit word generator.
Squircley
Squircley generate a shape neither square nor circle. You can tweak it as you want.
Shape Divider
It divides the shape 🙂 You realized that some kind of divided shapes are well suited on landing pages. You can do those kind of shapes with this design resource.
Blobs
Decorative blob generator tool.

Omatsuri Suite
Omatsuri is not a single graphic design tool. It is actually a free design resources suit. You can find many useful graphic design resources such as triangle generator, wave generator, color shades and color palette generators.
Blog Cover Generator
Easy blog post cover generator.
Patternico
A pattern generator.
Doodad
Yet another pattern generator
Tabbied
Doodle with generated patterns.
BG Jar
Very useful background pattern generator which can export your design in various formats such as CSS, SVG or PNG.
Free Design Resources Part II - Visual Content Creator Tools
Canva

Canva is the most popular and the most used graphic content creations site. It has both free and premium plans. If you need a quick visual content Canva is one of the best design resource.

Easil
Easil is another Canva alternative that has limited features for free plan.
Visme
Visme is an online tool that allows you to easily create info-graphics. Those are very useful for visual explanations and building back-links.

Glorify
Glorify is a Canva-like tool that specifically create graphics for different platforms such as Product Hunt, Shopify, Fiver etc...

Polotno Studio
Polotno Studio allows you to edit your graphics.

Projector
Projector is also another free graphic template design tool.

Taler
Taler is relatively new tool comparing with other free design resources. It is also powered by e-commerce platform Shopify.

Crello
It is very limited graphic design tool. Only 5 design downloads are permitted.

Artify
I personally like the illustration of Artify. Once in a while, It does not respond. However, It is now working. I should also mention that attribution is required.

Design AI
Design AI is another Canva alternative platform that has speech and video maker features.

Free Design Resources Part III - Prototyping and Graphic Editing Tools
Figma

Figma is awesome. It is a sketch alternative. Moreover, It is boosted by Web-Assembly technology that makes possible to do these stuff on your browser. It is great for teams and freelancers. It also allows you to graphically edit React components. In this way, Framer is a unique design tool.

Penpot
Penpot is an open-source free prototyping and design tool that is currently at alpha stage.
Framer

Framer stands out with its mobile and interaction prototype development. It has web version as long as MacOS versions. React developers may know Framer Motion library which is the product of Framer.

Lunacy
Lunacy is a desktop software created by Icons8. Because of the creator company, it has built-in assets. Currently only available for Windows.

Spline
One of the best tools of 2020. Spline allows you to create 3D geometry. Moreover, It has Linux support.
Free Design Resources IV - Design System Tools
Toolabs Design System
Toolabs is a very intuitive tools that allows you to create your design system and export it with various formats such as CSS, JSON etc.. Also, It creates a web page for your design system that you can access and share it easily.

Frontify
Frontify actually is more than a design system tool. It is a complete brand design suite. It has a free plan for freelancers. You can create your design guideline and design system. Frontify also allows you to create a web page in order to access and share your guideline. Moreover, you can develop and design a user-interface component and share the code easily. A sample guideline page can be seen below:


Diez
Tokens are great when the case is design. Diez is a tool that is specialized in creating design tokens.

ZeroHeight
You can create your design guidelines with Zeroheight and make it single source of truth. Because it includes both design and code assets, communication with designers and developers becomes less problematic.
Free Design Resources V - Miscellaneous
Design Lobby
It is nice looking asset manager. You can deploy your design assets such as typefaces, icons, images and colors. Currently in a beta phase.
Squoosh
Squoosh is a one page web app that is the easiest way to compress images. As we know, Google stated that fast opening is an important factor when ranking websites. Therefore, image compression is a must for websites that is aiming to rank higher. Considering the situation, Squoosh is an important free design resource.
Scrollbar Designer
Design your page's scrollbar. It should be also noted that it doesn't work on Firefox. You can accomplish it via JavaScript.
It will be updated as soon as possible.