RAD Studio Alternatives

Capable and Ergonomic IDE for JVM

AIDE (Advanced Intrusion Detection Environment) is a file and directory integrity checker.

Android development environment based on IntelliJ IDEA

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.

Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

Build and debug modern web and cloud applications, by Microsoft

Lazarus is a cross-platform IDE for the Free Pascal compiler.

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.

Cross-Platform IDE for all your major languages, including Python, PHP, Ruby, Perl, Tcl, NodeJS, HTML, CSS and JavaScript

MonoDevelop enables developers to write desktop and web applications on Linux, Windows and Mac OS X.

NetBeans IDE features overview

Delphi is the fastest way to write, compile, package and deploy cross-platform native applications on Windows, macOS, iOS, Android and Linux. See more.

Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.