The best alternatives to Horizon are PocketBase, Canonic, and Napkin. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Horizon?
AssemblyAI— Multilingual Speech-to-Text API with superhuman accuracy
PocketBase is an open source Go backend that has embedded realtime database, files and users management, admin UI and REST-ish API, all compiled in 1 portable file. Think of it as a lightweight alternative to Firebase or Supabase.
Build and deploy full-stack apps that scale. Create user-facing apps, internal tools, workflow automation, and more end-to-end. Get started in minutes, master it in hours. No prior development experience is necessary.
Meteor is an open source platform for web, mobile, and desktop used by over half a million developers around the globe to make shipping javascript applications simple, efficient, and scalable.
WebSubmit allows you to build an API for your web forms, manage data submitted from the users, secure the forms with modern anti-robot mechanisms, trigger automatic emails, auto-delete data etc,. Headless CMS + WebSubmit as backend would be a perfect fit.
Before Sailscasts: You wonder where to learn and master Sails to a pro level for your work and personal projects. Endless google search and hunting for answers across the Sails documentation for how to get things done. After Sailscasts: Master Sails to build your ideas, products and businesses.