Six browser tools · open now
Hear it.
Key it.
Keep climbing.
Learn Morse from your first character, sharpen real operating skills and chase your next personal best. Use your keyboard—or connect the paddle already on your desk.
Choose today’s session
Six doors into better CW.
Begin with structured lessons or jump directly into callsigns, speed, pressure and conversation. Each tool runs in your browser.

Morse Trainer
Build the alphabet step by step with the Koch method, then follow your accuracy and progress.
Start learning →
Advanced Trainer
Move into groups, words and callsigns with detailed RX and TX analysis.
Build fluency →
Balloon Burst
Recognise characters, words or callsigns before the balloons stack up.
Burst some balloons →
CW Summit
Hold your accuracy while the speed rises. Chase camps, streaks and your ghost run.
Start climbing →
RufzXP
Copy real callsigns at adaptive speed by keyboard, or key them back with your paddle.
Take the challenge →
MorseChat
Leave drills behind and talk in live CW rooms by keyboard, key or OpenShack Box.
Call CQ →One skill · two directions
Train the ear.
Train the hand.
OpenShack CW treats receiving and sending as two halves of the same operating skill. Start with computer audio and the keyboard. Add your paddle when you are ready for real timing and immediate sidetone.
Your personal best · worldwide
First, beat yourself.
The tools already remember your personal bests on this device. The next layer will let you publish selected results, compare like-for-like challenges and keep every other run private.
Your next run starts here