Coolors is a website that provides a wide range of colour palettes to use in your designs. You can go through all the existing colour palettes and search palettes based on color, topic, and style. Link:- Coolors. - Source: dev.to / 29 days ago

Coloors - Create or choose the perfect palette, and use a range of tools, from image-color picker, contrast checker and palette visualizer. - Source: dev.to / about 2 months ago

Then, I get some color palette from this color palette generator. I have been using it since the very beginning of web dev journey, a good color palette could better describe the theme of the website. - Source: dev.to / 2 months ago

We set a whole house palette and worked from that. I knew the base colors I wanted (teal and aqua blues) and then used https://coolors.co to round out a cohesive palette. I love how our whole house feels now. Source: 6 months ago

I had no idea stitch palettes existed! I’ve used coolors.co for hex based palettes; I love perusing suggestions. Source: 6 months ago

Xibo - Digital Signage which is slowly being rolled out across all of our sites. (I used to be the maintainer of the Ubuntu setup script back in the day). Source: over 1 year ago

Xibo Digital Signage -- Used to managed Digital Signage tvs in the hallways. Gets better with every release. Source: over 1 year ago

/u/slugshead mentioned Xibo. They've discontinued Pi-compatible versions but run on a lot of other things. Player(client) licenses per major version are perpetual, or at least very long. I've seen some weird issues with them, don't know if it's fixed (mostly has to do with display scaling, probably related to the consumer-grade smart TVs I have to run it on). Source: about 2 years ago

Xibo, FOSS and free if you self host https://xibo.org.uk/. Source: about 2 years ago

There are several roll-your-own. For example, Xibo. To get it totally free, you'll need to fire up a Linux master server, then learn the UI for creating content. Source: over 2 years ago