Neocities websites
Agei's Cafe - a fun website with a cafe and pixel art theme.
Neocities, PHP and SQL - A guide on using SQL and PHP with Neocities.
Old Web
Chattable - A free customizable chat for you Neocities site.
Gifcities - GifCities is a project from the Internet Archive to celebrate 20 years of preserving the web. It's a GeoCities animated GIF search engine.
Wiby - The Wiby search engine is building a web of pages as it was in the earlier days of the internet.