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What is Koi Editor?

Koi Editor is a fast, efficient, and customizable text and code editor designed specifically for macOS, focusing on reducing typing latency, managing large files effectively, and enabling smooth local workflows. The editor includes a variety of features such as multi-cursor editing, synchronized document views, project-wide search capabilities, easy navigation through files and buffers, syntax highlighting, code suggestions, customizable themes, personalized keybindings, and a comprehensive set of text-editing commands. Engineered for optimal performance, Koi maintains its responsiveness even when managing large source files, logs, and complex text formats, having been rigorously tested with documents containing millions of lines while ensuring syntax highlighting and essential editing functions remain intact. With additional AI features that facilitate local model support via Ollama for real-time code suggestions and assistance, Koi operates entirely offline without requiring a user account and is free from telemetry components. Tailored specifically for Apple Silicon Macs, Koi integrates a unique editing engine with the native functionalities of macOS, thereby providing a performance-driven user experience that feels familiar and intuitive. In summary, Koi Editor stands out as a contemporary tool for developers and writers who desire a robust, streamlined interface, allowing them to focus on their work without the clutter of extraneous features, all while enjoying a responsive and powerful editing environment.

What is Emacs?

At its core, the platform features an interpreter specifically designed for Emacs Lisp, a specialized variant of the Lisp programming language tailored for text editing applications. It provides context-sensitive editing modes that incorporate syntax highlighting for numerous file types. There is an extensive built-in documentation system, which includes a tutorial designed to assist newcomers effectively. Users enjoy robust Unicode support that caters to almost every human script, enhancing global usability. The system is highly flexible, allowing for alterations through Emacs Lisp code or a graphical interface, making it accessible to various skill levels. In addition to fundamental text editing, it encompasses a wide range of functionalities, including tools for project planning, email and news reading, debugging, calendaring, and even an IRC client, among many others. A dedicated packaging system allows users to effortlessly download and install a multitude of extensions, thereby expanding the platform's capabilities. Furthermore, it supports arbitrary-size integers natively and employs HarfBuzz for efficient text shaping. There are also built-in features for JSON parsing, enhanced Cairo drawing support, and the incorporation of portable dumping instead of the traditional unexec method. The system conforms to XDG standards for initialization files and includes an additional early-init file for further customization options. Moreover, it incorporates native tab bar and tab-line functionalities, as well as the ability to manipulate images—such as resizing and rotating—without the dependency on ImageMagick, showcasing its versatility for a wide array of tasks. Overall, the platform emerges as a formidable tool that meets diverse user requirements, transcending basic text manipulation and offering a comprehensive environment for various computing needs. It is this adaptability that truly sets it apart in the realm of text editors.

Media

No images available

Media

Integrations Supported

Amp
C
Cairo Web Design CRM
Cody
Common Lisp
Dash
Devin Desktop
Hound
JSON
MULTI IDE
Magit
Mermaid Chart
Org Mode
Racket
Scheme
Tabnine
Termius
Wing Python IDE
XML

Integrations Supported

Amp
C
Cairo Web Design CRM
Cody
Common Lisp
Dash
Devin Desktop
Hound
JSON
MULTI IDE
Magit
Mermaid Chart
Org Mode
Racket
Scheme
Tabnine
Termius
Wing Python IDE
XML

API Availability

Has API

API Availability

Has API

Pricing Information

$195, one-time
Free Version
Free Trial Offered?

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Hackerman, Inc.

Date Founded

2025

Company Location

United States

Company Website

hackerman.ai

Company Facts

Organization Name

GNU

Date Founded

1996

Company Location

United States

Company Website

www.gnu.org/software/emacs/

Categories and Features

Text Editors

API
Auto-Complete
Code Folding
Column Editing
Customizable Themes
Debugging
Formatting / Table Editing
Keyboard Shortcuts
Multi-Monitor Editing
Syntax Highlighting
WYSIWYG

Categories and Features

Code Editors

API
Auto-Complete
Code Folding
Column Editing
Customizable Themes
Debugging
Formatting / Table Editing
Keyboard Shortcuts
Multi-Monitor Editing
Syntax Highlighting
WYSIWYG

Text Editors

API
Auto-Complete
Code Folding
Column Editing
Customizable Themes
Debugging
Formatting / Table Editing
Keyboard Shortcuts
Multi-Monitor Editing
Syntax Highlighting
WYSIWYG

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