IntelliJ IDEA & IntelliJ Platform
binary releases of VS Code without MS branding/telemetry/licensing
JUCE is an open-source cross-platform C++ application framework
Lightweight multi-platform code editor designed for modern hardware
An editor designed for Swagger
High-performance, multiplayer code editor from the creators of Atom
A desktop Laravel admin panel app
Professional collaborative platform for embedded development
A component toolkit for creating live-running code editing experiences
Ace (Ajax.org Cloud9 Editor)
mawww's experiment for a better code editor
Online EditorX
A tool to help eliminate NullPointerExceptions (NPEs) in your code
phpFileManager a complete filesystem management tool on a single file.
An Editor to teach Programming Fundamentals using Karel Robot
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Simple and flexible programming language for applications development
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
Hobby operating system, bootloader, kernel, drivers, C library
Komodo Edit is a fast and free multi-language code editor
Web IDE in single HTML file
Lamdu, towards the next generation IDE
Open Source C & C++ IDE for Windows