Blertly

System Design Lab

by Shahil Rahman

Explore tiny penguin worlds to see how caching, load balancing, and queues keep big apps fast. Break a system, then flip the switch to watch the fix.

Botfight

Call real crypto charts with the coin hidden. Buy, sell or stay out in three seconds, then see what happened. Free, pretend money, real prices, no signup. Made for people who want to find out if they can read a chart before risking real money.

SVG QR Generator

Generate a stylish vector QR code ready to use anywhere. Example shows this very site with a bloodspatter style QR.

Cozy Haunted Room

by Ashley Phillips

Explore a cozy animated fidget room filled with a warm fire, glowing candles, framed portraits, and a stormy night sky. Go full screen and relax to Halloween music while uncovering spooky tricks and treats!

Lobbli

by Blake

Coordinate game nights with your friends by picking a date, voting on what to play, and spinning a wheel to break ties.

Who Was It

A daily guessing game for close friends. One person answers a secret question every day, and the rest of the group votes to figure out who wrote it.