AppMySite - An automated no-code app builder
Uppy.io - Next open source file uploader for web browsers
AppYourself App maker - App maker designed by AppYourself is a popular app builder platform that gives you the opportunity to create feature-rich Android, iOS, and PWAs apps in minutes.
PigeonFiles - The #1 Google Drive uploader app for allowing others to upload files to your Google Drive. Create your first secure upload page for FREE in 30 seconds.
AppyBuilder - An App Inventor 2 spin-off. Formerly called AILiveComplete.
Uploader Window - Easy File Uploader for your websites and apps