I used Dragula[^1] for a form builder in the past and had quit a pleasent experience. Though I don't know how it would hold with a drag centric (card game) UI [1]: https://bevacqua.github.io/dragula/. - Source: Hacker News / over 2 years ago

Drawkit - Free Illustrations library, updated weekly. Source: almost 2 years ago

All sites below either are free to use or the paid option comes with a print on demand license. If I mention 'Free PNG/SVG', you're allowed to sell these free assets.https://blush.design (Free PNG, paid SVG, mega library)https://fresh-folk.com (Free SVG)https://lukaszadam.com/illustrations (Pay what you want, even 0)https://illlustrations.co (Free SVG)Freepik.com (ONLY for commercial use (free and paid) when used... Source: over 2 years ago

One of the best site today in this post has it helps you get all actions vector illustrations. If you aren't using illustrations in your website, I suggest your start using this site and using illustration in your websites. Do check it out- https://drawkit.com/. - Source: dev.to / almost 3 years ago

DrawKit offers a beautiful collection of vector illustration packs. Some of the packs are free to download but most of them are paid. - Source: dev.to / almost 3 years ago