Skip to content

Navigation Menu

Appearance settings

coteditor

GitHub Copilot
Write better code with AI

GitHub Spark New
Build and deploy intelligent apps

GitHub Models New
Manage and compare prompts

GitHub Advanced Security
Find and fix vulnerabilities

Actions
Automate any workflow
Codespaces
Instant dev environments

Issues
Plan and track work

Code Review
Manage code changes

Discussions
Collaborate outside of code

Code Search
Find more, search less
Explore

Why GitHub

Documentation

GitHub Skills

Blog
Integrations

GitHub Marketplace

MCP Registry
View all features
By company size

Enterprises

Small and medium teams

Startups

Nonprofits
By use case

App Modernization

DevSecOps

DevOps

CI/CD

View all use cases
By industry

Healthcare

Financial services

Manufacturing

Government

View all industries
View all solutions
Topics

AI

DevOps

Security

Software Development

View all
Explore

Learning Pathways

Events & Webinars

Ebooks & Whitepapers

Customer Stories

Partners

Executive Insights
GitHub Sponsors
Fund open source developers
The ReadME Project
GitHub community articles
Repositories

Topics

Trending

Collections
Enterprise platform
AI-powered developer platform
Available add-ons

GitHub Advanced Security
Enterprise-grade security features

Copilot for business
Enterprise-grade AI features

Premium Support
Enterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

CotEditor Project

Plain-Text Editor for macOS

Verified
We've verified that the organization coteditor controls the domain:
- coteditor.com
Learn more about verified organizations

301 followers
Japan
https://coteditor.com
@CotEditor

Overview
Repositories
Packages
People

More

Overview
Repositories
Packages
People

Pinned Loading

CotEditor CotEditor Public

Lightweight Plain-Text Editor for macOS

Swift 7.3k 464
coteditor.github.io coteditor.github.io Public

Web site repository for coteditor.com

HTML 32 11

Repositories

Loading

Type

Select type

All Public Sources Forks Archived Mirrors Templates

Language

Select language

All AppleScript C HTML Objective-C Python Ruby Swift

Sort

Select order

Last updated Name Stars

Showing 10 of 10 repositories

CotEditor Public
Lightweight Plain-Text Editor for macOS

coteditor/CotEditor’s past year of commit activity

Swift 7,293 464 46 0 Updated Nov 4, 2025
coteditor.github.io Public
Web site repository for coteditor.com

coteditor/coteditor.github.io’s past year of commit activity

HTML 32 11 0 0 Updated Nov 3, 2025
Documents-for-AppStore Public
Repository to maintain documents for the Mac App Store

coteditor/Documents-for-AppStore’s past year of commit activity

4 CC-BY-4.0 6 0 0 Updated Nov 1, 2025
DMGArchiver Public
Script to create .dmg file for non-AppStore version

coteditor/DMGArchiver’s past year of commit activity

Python 13 Apache-2.0 3 0 0 Updated Sep 9, 2025
SampleScripts Public
Sample scripts for CotEditor

coteditor/SampleScripts’s past year of commit activity

AppleScript 43 Apache-2.0 13 0 0 Updated Jul 13, 2025
cot Public archive
Command-line helper tool for CotEditor

coteditor/cot’s past year of commit activity

Python 56 Apache-2.0 10 0 0 Updated Dec 14, 2024
homebrew-coteditor Public archive
homebrew formula

coteditor/homebrew-coteditor’s past year of commit activity

Ruby 9 Apache-2.0 3 0 0 Updated Jun 5, 2024
Dash-CotEditor-Plugin Public
CotEditor script for Dash

coteditor/Dash-CotEditor-Plugin’s past year of commit activity

AppleScript 30 Apache-2.0 2 0 0 Updated Sep 17, 2022
YAML.framework Public archive Forked from mirek/YAML.framework
Forked YAML framework for CotEditor < 3.9.0

coteditor/YAML.framework’s past year of commit activity

C 3 102 0 0 Updated Apr 8, 2020
OgreKit Public archive Forked from sonoisa/OgreKit
Forked OgreKit Framework for CotEditor (no more maintained)

coteditor/OgreKit’s past year of commit activity

Objective-C 7 14 0 0 Updated Mar 23, 2016

People

Top languages

Loading…

Uh oh!

There was an error while loading. Please reload this page.

Most used topics

Loading…

Uh oh!

There was an error while loading. Please reload this page.

Footer

© 2025 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.