The best Felgo alternatives
The rest of Best Cross-Platform App Development Frameworks, in this site's order.
1
Qt Creator
AndroidiPhone & iPadWeb+3 €546 a year Record6.2 Visit Qt Creator may suit developers creating applications across desktop, embedded, mobile, and browser targets.
2
Xojo
AndroidiPhone & iPadWeb+3 $499 one-time Record6.2 Visit Xojo suits developers building for mobile, desktop, or web who want to use one programming language across platforms.
3
B4X
AndroidiPhone & iPadWindows+2 $59 one-time Record5.9 Visit B4X may suit developers building across mobile, desktop, server, and IoT targets.
4
GitHub CodeQL
WebWindowsMac+3 Free plan Record5.6 Visit CodeQL suits developers and security researchers who need to analyze code for security and other quality issues.
6
Tauri Bundler
AndroidiPhone & iPadWindows+2 Free plan Record5.3 Visit It suits developers distributing applications across desktop and mobile platforms through stores or platform-specific installers.