Ultimate++ is described as ', also called U++, is a C++ cross-platform rapid application development framework focused on programmers productivity. It includes a set of libraries (GUI, SQL, etc..), and an integrated development environment' and is an app in the Development category. There are more than 50 alternatives to Ultimate++ for a variety of platforms, including Windows, Linux, Mac, BSD and Android. The best alternative is Microsoft Visual Studio. It's not free, so if you're looking for a free alternative, you could try Eclipse or PyCharm. Other great apps like Ultimate++ are Qt (Freemium, Open Source), Electron (Free, Open Source), Code::Blocks (Free, Open Source) and Qt Creator (Free, Open Source).
Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft. It is used to develop computer programs for Microsoft Windows, as well as web sites, web applications and web services.
Python and Django IDE with refactorings, code completion, on-the-fly code analysis and other features, including version control integration, deployment, integration with issue trackers, and remote debugging.
Qt is a cross-platform application framework that is widely used for developing application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while having the power and speed of native applications.
Code::Blocks is a free C++ IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable. An IDE with all the features a developer need, having a consistent look, feel and operation across platforms.
MonoDevelop enables developers to write desktop and web applications on Linux, Windows and Mac OS X. It also makes it easy to port .NET applications created with Visual Studio to Linux and Mac OS X maintaining a single code base for all platforms.
Lazarus is a cross-platform IDE for the Free Pascal compiler. It tries to offer a Delphi-like programming experience through its own 'Lazarus Component Library' and supporting many platforms like Windows, OSX, Linux, BSD, Android, iOS and more.