JustCode

A super simple lightweight code editor built with Java Swing.

Features

• Multiple tabs with dynamic close buttons
• Open, Save, and Save As functionality
• Dynamic Line Numbers that sync with document changes
• Syntax Highlighting (Currently supports C/C++ keywords, strings, comments, and directives via a scalable Factory architecture)

Installation

1. Download JustCode-0.2.0.exe from the GitHub Releases page
2. Run the installer
3. Launch JustCode from the Start Menu or Desktop shortcut

No additional requirements — the installer bundles the Java Runtime!

Building from Source

Requirements: JDK 25

Clone the repo and run the main class: src/editor/Main.java

Roadmap

✅ Line Numbers
✅ Syntax Highlighting (currently only supports C, support for more languages coming soon)
⬜ Keyboard Shortcuts
⬜ In-Editor Code Execution (Compile and Run directly from the UI)
⬜ Find & Replace

License

Copyright © 2026 Raunak Dey. All Rights Reserved.

Proprietary / Source-Available License

• You are free to download, install, and use the JustCode application for personal, non-commercial purposes.
• You may download and study the source code for personal educational purposes.
• You may NOT redistribute the compiled application.
• You may NOT use, copy, modify, or publish this source code (in whole or in part) in any public or commercial project without explicit written permission from the author.