01 / 16Game
Lina Chess
An offline chess lab that explains every move
Independent studio in Seoul · 22 products
Useful,
beautifully.
From mobile apps to desktop tools and games, we begin with a clear need and shape it into a product worth keeping.
New game · Early Access
Iron & Asphalt
A transport tycoon set in South Korea
Build roads and railways, carry people and freight by bus, truck and train, and grow a one-bus start-up into a listed company. The title and encyclopedia are painted in ink wash, and the soundtrack mixes Korean traditional instruments with jazz and orchestra.
- itch.io
- Steam
- STOVE
Product families
We choose the screen and platform that best fit the problem and the moment.
The right form for the need.
iOS · Android
16
Mobile apps
Focused iOS and Android apps for learning, daily life and specialist work
ExploreWindows · macOS
5
Desktop
Windows and macOS tools that work on files and video right on your computer
ExplorePC · Web · Mobile
2
Games
A transport tycoon for PC and a survival simulation for mobile
ExploreWeb
Web services
Being prepared for release.
Coming laterOur point of view
Not for everyone.
For someone who needs it.
Every CommonSource product begins with a concrete problem. We design the moment a person actually faces before counting features.
Law, learning, radio, vehicles, video editing and games may look unrelated. The rule is the same: deep, quiet and built to last.
Desktop products
No uploads.
Just your computer.
CrystalCut
Image utility
Fast images. Private processing.
AI background removal, object selection, brush refinement and batch conversion in one workspace.
View productWindows · macOS
LinaZip
Archive & file utility
Pack together. Split apart. Extract exactly what you need.
View productWindows · macOS
SizeTree
Storage utility
See your storage. Review cleanup with evidence.
View productWindows · macOS
FileTree Pro
Disk space analyzer
Navigate the file system like a map.
View productWindows · macOS
Lina Edit
Video & caption editor
Edit video by its transcript.
View productWindows · macOSSelected apps
Six very different worlds.
02 / 16Productivity
Lina Scanner
Sharp documents. Private by design.
03 / 16Lifestyle
Lina Viewer
Every comic and book in one beautiful library
04 / 16Education
Ttokttoki Lina
Build the habit of pausing before a suspicious screen
05 / 16Productivity
LinaPad
Return to the recording through the notes you wrote
06 / 16Productivity
Lina Notes
One place to write, listen and find what matters
Music
Music to work to.
3 Korean fusion gugak playlists, 49 tracks from the Iron & Asphalt soundtrack, ready to play right on this site.
Student access
Access the app you need for learning without the cost barrier.
Students and exam candidates can request one of a limited number of app access codes each month.
16
Mobile apps
5
Desktop tools
2
Games