TinaCMS : Tina is an open-source site editing toolkit for React-based sites like Next.js & Gatsby to build content management directly into your website.
Alpaca : Given a web API, Generate client libraries in node, php, python, ruby
WaveFunctionCollapse : Bitmap & tilemap generation from a single example with the help of ideas from quantum mechanics.
Retromat : Planning your next agile retrospective? Start with a random plan, change it to fit the team's situation, print it and share the URL. Or browse around ...
IcoMoon : IcoMoon is an icon solution, providing three main services: Vector Icon Packs, The IcoMoon App, and an Icon Delivery Network.
A fast static site generator in a single binary with everything built-in.