grdnts is the “stack-type” curated resource site for all things modern gradients. Photoshop & Sketch packs, CSS gradients.
Grabient is definitely the most fun interactive web-based gradient editor, with CSS and Sketch support.
uiGradients is a collection of CSS web gradients, with the nice option to download jpeg files.
An amazingly huge collection of 2000 hand-crafted Sketch gradients made by Apostol Voicu.
This is the most complete website, with 180 linear gradients, CSS3 code, along with Photoshop and Sketch packs.
This small PSD and Sketch set by Weekdone contains some very nice and smooth gradients used in their product.
gradients.io is a small, yet very high quality collection of 24 beautifully crafted gradients.
CSSmatic is a very useful CSS gradient generator, with a Photoshop-like, intuitive gradient editor.
Coolhue is also a pretty small pack, but the gradients are beautiful and come in CSS, Photoshop and Sketch.
This Sketch freebie by Maks Torch contains 21 beautifully crafted 2 color gradients.
Colorion helps you create gradient buttons with effects on hover, like the ones used on grdnts.
A small collection of wonderful gradients in both PSD and Sketch format made by Stelian Firez.
A very small, but very nice collection of gradients with a beautiful icecream presentation by Ishtiaq Khan Parag.
This small Sketch freebie pack by Vladimir Kudinov is interested because it contains darker, more neutral gradients.
Thank you for downloading this freebie, I hope you find great use for these colorful beauties.