Koi Editor

Koi Editor

Hackerman, Inc.
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About

Code Browser is a folding text editor for Linux and Windows, designed to hierarchically structure any kind of text file and especially source code. It makes navigation through source code faster and easier. Code Browser is especially designed to keep a good overview of the code of large projects, but is also useful for a simple CSS file. Ideal if you are fed up of having to scroll through thousands of lines of code. It supports syntax highlighting for all major languages and custom syntax highlighting can also be added. Although Code Browser was initially designed to edit programs, it can also be used for different tasks such as plain text outlining or helping to understand existing source code. I've added a page with suggestions to take advantage of folding.

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 Supported
Mac Not Supported
Linux 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

Anyone looking for a Text Editor solution

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

No information available.
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 5.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 4.0 / 5
support 2.0 / 5

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

Pros & Cons from Real Users

Pros

  • This is how life with Code Browser is: Start writing code Initialization Globals Main loop to do requested tasks Opening screen Do task A Do task B ...etc. Each of the above is a link to an entire tree of code going as deep as you need. When it's been three years since you've looked at this source and you need to add a feature to task B, look how easy it is to find your way to the place you need! Code Browser is the only editor that lets you create your own hierarchy just the way you want it, just the way you think, no troubles. No other editor lets you do this. Every other editor wants to decide for you what gets folded and what doesn't (usually by looking at the code itself...but code isn't how ANYONE outlines and solves programming problems).

Cons

  • No one you know is using this wonderful program or has even heard of it. Everything about the program depends on one guy who wrote this editor in a language that no one (except him) uses. So, you get what you get.

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

Code Browser
tibleiz.net/code-browser/

Company Information

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

Alternatives

Alternatives

Kate

Kate

KDE
Emacs

Emacs

GNU

Categories

Code Editors Supported
Text Editors Supported
XML 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
CSS Supported
HTML Supported
C++ Not Supported
D Not Supported
Haskell Not Supported
JSON Not Supported
Java Not Supported
Lua Not Supported
MATLAB Not Supported
Markdown Not Supported
Odin Not Supported
Ollama Not Supported
PHP Not Supported
Python Not Supported
Ruby Not Supported
Rust Not Supported
TypeScript Not Supported
XML Supported
YAML Not Supported

Integrations

C Supported
CSS Supported
HTML Supported
C++ Supported
D Supported
Haskell Supported
JSON Supported
Java Supported
Lua Supported
MATLAB Supported
Markdown Supported
Odin Supported
Ollama Supported
PHP Supported
Python Supported
Ruby Supported
Rust Supported
TypeScript Supported
XML Not Supported
YAML Supported
Claim Code Browser and update features and information
Claim Code Browser and update features and information
Claim Koi Editor and update features and information
Claim Koi Editor and update features and information