Emacs

Emacs

GNU
Koi Editor

Koi Editor

Hackerman, Inc.
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About

At its core is an interpreter for Emacs Lisp, a dialect of the Lisp programming language with extensions to support text editing. Content-aware editing modes, including syntax coloring, for many file types. Complete built-in documentation, including a tutorial for new users. Full Unicode support for nearly all human scripts. Highly customizable, using Emacs Lisp code or a graphical interface. A wide range of functionality beyond text editing, including a project planner, mail and news reader, debugger interface, calendar, IRC client, and more. A packaging system for downloading and installing extensions. Built-in support for arbitrary-size integers. Text shaping with HarfBuzz. Native support for JSON parsing. Better support for Cairo drawing. Portable dumping used instead of unexec. Support for XDG conventions for init files. Additional early-init initialization file. Built-in support for tab bar and tab-line. Support for resizing and rotating of images without ImageMagick.

About

Koi Editor is a fast, minimal, scriptable code and text editor for macOS, designed around low typing latency, large-file performance, and local workflows. Koi provides multi-cursor editing, multiple synchronized views of the same document, project-wide search, file and buffer navigation, syntax highlighting, code completion, configurable themes and keybindings, and extensive text-editing commands. The editor is designed to remain responsive with large source files, logs, and structured text, and has been tested with files containing tens of millions of lines while retaining syntax highlighting and core editing functionality. Optional AI features support local models through Ollama for code completion and inline assistance. Koi can operate entirely offline, requires no account, and includes no telemetry. Koi is built specifically for Apple Silicon Macs and combines a custom editing engine with native macOS integration.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Anyone looking for an extensible, customizable, free text editor solution to create, change and interpret text modules

Audience

Software developers, programmers, technical users, and power users on macOS who want a fast, lightweight code and text editor, particularly for large files, local workflows, and keyboard-driven editing.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$195, one-time
Free Version
Free Trial

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

GNU
Founded: 1996
United States
www.gnu.org/software/emacs/

Company Information

Hackerman, Inc.
Founded: 2025
United States
hackerman.ai

Alternatives

Atom

Atom

GitHub

Alternatives

gedit

gedit

The GNOME Project
Kate

Kate

KDE
GoCoEdit

GoCoEdit

Gogolith

Categories

Categories

Integrations

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

Integrations

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