Interesting. Could perhaps be useful.

Secure peer-to-peer chat that is serverless, decentralized, and ephemeral.

• https://github.com/jeremyckahn/chitchatter
• via https://mastodon.social/@poleguy/114435828714249700

Aswan High Dam Reservoir, aka Lake Nasser.
Informative page on the Word Lake Database, run by the International Lake Environment Committee Foundation (ILEC).

Instantly test run Linux distros online in the cloud for free, right from your web browser. No installation or live boot required.

[...] useful site which lets you rank over 20k Ikea products by how long they will approximately take to build.

Via https://b3ta.com/newsletter/issue992

Surveillance Camera Map built on OpenStreetMap.

Clearly someone in Uppsala has been diligent - it has more than six times as many registered cameras than Stockholm :-)