Every app that turns habits, focus or commitments into a game, sorted into four kinds — habit trackers, focus timers, commitment devices, to-do add-ons — with a comparison table.

The encrypted database behind KeePass and a dozen independent clients — what is inside the file, which version number matters, and why picking a format beats picking a product.

Every kind of password manager — rented cloud, self-hosted, local file, built into your OS, terminal — what each really costs after 2026's price rises, and who each one suits.

The KeePass client that needs no installation — what it does well, how to host your own, and how to read a GitHub page whose last stable release is from 2021.

A terminal multiplexer in one idea — your shell stops belonging to the window it was opened in. What tmux is, everyday and advanced usage, why its commands are spelled the way they are, and a verdict.

Minecraft, the best-selling game ever, in one screen: its origins, Java vs Bedrock vs the NetEase China edition, the creator toolbox from redstone to mod loaders, and the classrooms and cities already using it seriously. Ends with a note on Smart Island.

A free, open-source habit tracker that scores your day like an RPG: HP for missed habits, XP and gold for kept ones, party quests that make skipping cost friends.