# Sirolius

> Sirolius is the studio of Loris Shparthi, a Lead Product Designer for SaaS and AI based in Tirana, Albania, working worldwide. The Playground at sirolius.com/playground/ has free web apps for designers and developers, made and maintained by Sirolius.

## Free apps (Playground)

- [Wayglim](https://sirolius.com/playground/wayglim/): free studio for animated light backgrounds (flowing veils of light for hero sections). Pick one of 99 looks, tune colour, motion and mouse interaction, then export Next.js, React or HTML code, an image or a video. Runs in the browser, no sign-up. Formerly named Waylume.
- [Duskcover](https://sirolius.com/playground/duskcover/): free studio for glowing dark UI cover illustrations (feature pages, changelogs, blog covers, app store art). Pick from 999 illustrations, edit text, colours and light, then export SVG, PNG, WebP, video or React code. Runs in the browser, no sign-up. Formerly named Raylight.
- [All apps](https://sirolius.com/playground/)
- [Licence](https://sirolius.com/playground/license/): everything exported from the Playground apps is free for personal and commercial use, no credit required; the illustrations and looks can't be resold as packs or templates.

## Blog (guides and resources)

- [Changelog images: when to use a screenshot, and when to use a cover](https://sirolius.com/blog/changelog-images/)
- [Free dark UI illustrations for SaaS websites (2026)](https://sirolius.com/blog/free-dark-ui-illustrations/)
- [Image sizes for a SaaS launch: OG, X, LinkedIn, Product Hunt and email](https://sirolius.com/blog/saas-launch-image-sizes/)
- [How to add an animated background to a Next.js hero without hurting LCP](https://sirolius.com/blog/nextjs-animated-hero-background/)
- [Animated hero backgrounds: CSS vs WebGL vs video](https://sirolius.com/blog/animated-hero-background-css-webgl-video/)
- [Aurora and light hero backgrounds: 20 animated looks, with code](https://sirolius.com/blog/aurora-hero-backgrounds/)
- [All posts](https://sirolius.com/blog/)

## Work with Sirolius

- [Request a custom app](https://sirolius.com/playground/request/): Sirolius designs and builds custom web apps and tools like these, from idea to launch.
- [Home](https://sirolius.com/)