Koi Editor

Koi Editor

Hackerman, Inc.
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About

A lightweight, multi-language programming text editor and IDE for macOS. CodeRunner was designed to support all of the most widely used programming languages and run them instantly. The app is configured to run code in 25 languages out-of-the-box, and additional languages can be configured to run by simply entering their terminal command. With over 200 syntax modes, lots of advanced editing features and thoughtful details, CodeRunner will quickly become your go-to editor for any and all kinds of text files. CodeRunner's code completion is the best you'll find in any IDE. Intelligent matching of typed text enables completions beyond single words. Quickly find the right completion among thousands with the extra-fuzzy search algorithm, helpful documentation snippets, and smart ranking of results. Don't clutter your code with print-statements for debugging. Instead, use CodeRunner's built-in debugging features to set breakpoints and step through your code.

About

Koi Editor is a professional text editor for Mac, built around three principles: fast, local, and scriptable. Koi is designed for responsive editing from ordinary source files to very large documents. It includes multi-cursor editing, synchronized views, project-wide search, context-aware autocomplete, syntax highlighting for 30+ languages, code folding, file outlines, configurable themes and keybindings, and extensive editing commands. Koi requires no account, includes no telemetry, and can operate entirely offline. Configuration and keybindings are plain text, and custom editor commands can be written in Python. Optional AI features connect directly to local models through Ollama for code completion and inline assistance. Built specifically for Apple Silicon Macs, Koi combines a high-performance editing core with native macOS integration.

Platforms Supported

Windows Not Supported
Mac Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Programmers and writers requiring a multi-language programming text editor and IDE for macOS

Audience

Software developers, programmers, and technical professionals on macOS who value fast, responsive editing, large-file performance, local workflows, keyboard-driven operation, and a scriptable environment.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$19.99 one-time payment
Free Version Not Supported
Free Trial Not Supported

Pricing

$195, one-time
Free for non-commercial use.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

CodeRunner
Founded: 2021
coderunnerapp.com

Company Information

Hackerman, Inc.
Founded: 2025
United States
koieditor.com

Alternatives

Alternatives

TextMate

TextMate

MacroMates

Categories

Code Editors Supported
HTML Editors Supported
IDE Supported
Markdown Editors Supported
Text Editors Supported

Categories

Text Editors Supported

Text Editors Features

API Not Supported
Auto-Complete Supported
Code Folding Supported
Column Editing Supported
Customizable Themes Supported
Debugging Not Supported
Formatting / Table Editing Not Supported
Keyboard Shortcuts Supported
Multi-Monitor Editing Supported
Syntax Highlighting Supported
WYSIWYG Not Supported

Integrations

C Supported
C++ Supported
CSS Supported
HTML Supported
Haskell Supported
Java Supported
JavaScript Supported
LaTeX Supported
Lua Supported
Markdown Supported
PHP Supported
Python Supported
Ruby Supported
Rust Supported
TypeScript Supported
Go Supported
Ollama Not Supported
Swift Supported
Visual Basic Supported
YAML Not Supported

Integrations

C Supported
C++ Supported
CSS Supported
HTML Supported
Haskell Supported
Java Supported
JavaScript Supported
LaTeX Supported
Lua Supported
Markdown Supported
PHP Supported
Python Supported
Ruby Supported
Rust Supported
TypeScript Supported
Go Not Supported
Ollama Supported
Swift Not Supported
Visual Basic Not Supported
YAML Supported
Claim CodeRunner and update features and information
Claim CodeRunner and update features and information
Claim Koi Editor and update features and information
Claim Koi Editor and update features and information