Experimental Playground

Ideas grow
at CS42.org

A space to explore ideas, relax, and play while real products take shape behind the scenes.

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Featured

Experiments pushing what the browser can do

Two live projects you can open and try right now — no installs, no sign-ups.

Computer Vision modes: general detection, calorie counting, cafe occupancy, and padel tracking
Object Detection YOLO Real Time

Computer Vision

Real-time object detection powered by YOLO. Detect objects, estimate calories, monitor table occupancy, and analyse padel matches right in your browser.

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Draw AI interface. Sketch anything and let AI guess the category in real time
Drawing AI Creative

Draw AI

Test your drawing skills against an ML model trained on 95 object categories. Sketch anything and see if the AI can recognise what you drew in real time.

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Our Applications

Mobile apps built with care for your pocket

Native iOS apps designed around one simple job each — done properly.

Sukoon iOS App Icon iOS
Soundscapes Coming Soon

Sukoon سُكُونْ

The full Sukoon experience in your pocket. Mix nature sounds, save your soundscapes, and use background playback for focus, rest, and sleep.

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PunchTrack iOS App Icon iOS
Boxing Coming Soon

PunchTrack

Audio-powered punch counter for solo heavy-bag boxing. No wearables, no recording, no cloud — just hit the bag and let your phone keep count.

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All mobile apps

Browse the full list of CS42 mobile applications, with more on the way.

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Fun Experiments

Smaller side projects to fill a break

Quizzes, games, and calm corners — quick to open, easy to put down.

Sukoon · سكون Breathing

Chilling

Mix ambient soundscapes with Sukoon (سكون — stillness) and practice guided breathing exercises to focus, relax, and unwind.

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Geography Leaderboard

Quizzes

Test your geography knowledge with timed challenges, compete on leaderboards, and play with friends in multiplayer mode.

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Snake XO Teams

Games

Classic Snake variants, XO strategy challenges, and team generators for quick fun whenever you need a break.

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MIDI Music

Piano

Fake your piano skills. Load a MIDI file and the piano plays the correct note no matter which key you hit — look like a pro instantly.

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In Development

Real products are on the way

CS42.org is currently an open experimental playground — a place to prototype, test ideas, and have fun while the core products are being built. Stay tuned for what's coming next.

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Product Suite

Tools & apps built for real world use

Coming Soon

Release announcements on the way

Early Access

Be among the first to try new releases