Koi Editor

Koi Editor

Hackerman, Inc.
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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.

About

Textastic for Mac is the perfect desktop companion to the popular iOS code editor. With support for more than 80 source code and markup languages, Textastic brings the powerful syntax coloring engine of the iOS source code editor to the Mac. You can use your own TextMate, and Sublime Text, compatible syntax definitions. Textastic for Mac is based on the code editor that powers the iOS app. It uses native macOS APIs like Core Text for maximum speed. Code completion, file navigation with the symbol list and support for modern Mac features like Auto Save and Versions make your life easier. With iCloud Drive, you can sync your files across your macOS and iOS devices with ease. The app packs in support for 80 source code and markup languages, iCloud auto-save and macOS Versions. Built with the ability to import syntax definitions, themes and templates from TextMate.

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 Supported
iPad Supported
Android Not Supported
Chromebook Not Supported

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.

Audience

Editors, writers and developers in need of a text editor to write and edit all types of documents

Support

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

Support

Phone Support 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

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

Pricing

$7.99 one-time payment
Free Version Not Supported
Free Trial 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 Supported

Company Information

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

Company Information

Textastic
Founded: 2010
Germany
www.textasticapp.com/mac.html

Alternatives

Alternatives

TextMate

TextMate

MacroMates
Sublime Text

Sublime Text

Sublime HQ

Categories

Text Editors Supported

Categories

Code Editors Supported
HTML Editors Supported
Markdown Editors Supported
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
Java Supported
JavaScript Supported
LaTeX Supported
Lua Supported
PHP Supported
Python Supported
Ruby Supported
Haskell Supported
JSON Supported
MATLAB Supported
Perl Not Supported
SQL Not Supported
TypeScript Supported
XML Not Supported
Zig Supported
iCloud Not Supported

Integrations

C Supported
C++ Supported
CSS Supported
HTML Supported
Java Supported
JavaScript Supported
LaTeX Supported
Lua Supported
PHP Supported
Python Supported
Ruby Supported
Haskell Not Supported
JSON Not Supported
MATLAB Not Supported
Perl Supported
SQL Supported
TypeScript Not Supported
XML Supported
Zig Not Supported
iCloud Supported
Claim Koi Editor and update features and information
Claim Koi Editor and update features and information
Claim Textastic and update features and information
Claim Textastic and update features and information