For a variety of small on-line games, I now rely on Burt Bonte. He makes his own clever puzzle games, but regularly posts new games from a variety of other developers. A great variety of challenges and approaches! Many are browser games available for free, others he tells you where to find them and the platforms they are available on, including pay-to-play games on Steam, itch.io, Apple Apps, Google Play)
I still monitor Rinnogogo. Her games are only published every few months. The latest ones include in-game hints.
Amajeto was publishing new games fairly regularly, but has switched to hidden-object games and is now on