Based on our record, KDevelop should be more popular than Rider. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I use Rider as my IDE, but I've heard used the C# plugin for VSCode before with success. Source: about 3 years ago
Never tried it: https://kdevelop.org/. Source: about 1 year ago
Since you want to become a KDE developer I suggest you use KDevelop as your IDE. Source: about 1 year ago
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.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Android Studio - Android development environment based on IntelliJ IDEA
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.
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.