Aptana Studio
The world’s most powerful open-source web development IDE just got better. Rebuilt from the ground-up. It’s now much faster, customizable and includes new features to help you be more productive.
19 Alternatives To Aptana Studio

Adobe Dreamweaver
Adobe Dreamweaver is a proprietary web development tool developed by Adobe Systems.
Atom
At GitHub, we’re building the text editor we’ve always wanted: hackable to the core, but approachable on the first day without ever touching a config file. We can’t wait to see what you build with it.

Buddy
The simplest CI/CD tool ever made, acclaimed by top developers worldwide. It uses delivery pipelines to build, test and deploy software. Pipelines are created with over 100 ready-to-use actions, that can be arranged in any way.
Codenvy
Cloud workspaces for development teams.
Geany
Lightweight IDE for Linux and Windows

Gedit
gedit is the official text editor of the GNOME desktop environment. While aiming at simplicity and ease of use, gedit is a powerful general purpose text editor.
Komodo Edit
Komodo Edit is a fast, smart, free and open-source code editor.
Microsoft Visual Studio
Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Netbeans
NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
Notepad2
Notepad2 is a fast and light-weight Notepad-like text editor with syntax highlighting.
PhpStorm
Professional IDE for PHP and Web Developers

PyCharm
Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more…

Qt Creator
Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment. It is the fastest, easiest and most fun experience a C++ developer could wish for.
Textmate
TextMate brings Apple’s approach to operating systems into the world of text editors.
UltraCompare
UltraCompare is the name of an advanced level of file and folder comparison platform that is loaded with an advanced level of features and functions.
Vim
Highly configurable text editor built to enable efficient text editing

Visual Studio Code
Build and debug modern web and cloud applications, by Microsoft
WebStorm
The smartest JavaScript IDE

Xcode
Xcode 4 is the new version of Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.