Prism

Prism is an open-source, lightweight, super-fast, and customizable code editor built entirely with Java Swing. Designed for performance and simplicity, Prism aims to deliver a smooth editing experience for developers who prefer a native desktop editor without the overhead of large frameworks.

Click here to install Prism.

Features

Prism is packed with powerful features designed for speed and efficiency, helping you write, navigate, and run your code with ease.

Core editing:

• Full syntax highlighting for C, C++, Java and 20+ other languages
• GPU-accelerated rendering keeps large files fluid on modest hardware
• Line numbers, auto-indent, bracket matching, multi-tab/multi-session workspace
• IntelliSense autocompletion and on-the-fly error diagnostics

Navigation & project management:

• Tree-view file explorer with drag-and-drop; open, move or rename without leaving the editor
• Outline panel updates in real time; click any symbol to jump to its definition
• Bookmarks, recent-files list and file switcher put any location one keystroke away
• Global search & replace with regex support across the entire project

Integrated tooling:

• Embedded PowerShell / Command Prompt terminal for build scripts, Git commands or rapid prototyping
• Side-by-side diff viewer with syntax-aware change highlighting
• Configurable command palette for one-click script execution

Requirements

• Operating System: Windows 7 or newer
• Architecture: 64-bit

Installation

Go to releases, choose which version you want to download, click on Assets, and then click on the installer file (like Prism_Setup_x64_1.0.0.exe) to download it. When the download finishes, double-click on it to install Prism.

The Java Runtime Environment (JRE), SE 25, is bundled within the application's installer. There is no need to worry if you have an outdated Java version or have never installed Java before.

Installation Screenshot

Development

Want to contribute? Prism is open for collaboration as development continues.

License

Prism is released under the Apache License 2.0