Free tier of Heroku Dynos, Postgres and Data for Redis will no longer be available after November 28, 2022. Let's find a list of services with a free plan that developers can use as an alternative to Heroku. Feel free to submit PRs and improve the list.
render.com - One of the top Heroku alternatives with a free plan to get started.
fly.io - Run your full stack apps (and databases!) all over the world. No ops required.
railway.app - Railway is the cloud that takes the complexity out of shipping software.
cyclic.sh - Connect your GitHub repo. We will build, deploy and manage the hosting.
qoddi.com - Qoddi is a fully managed App Hosting Platform running on a tier 1 network at 10% of the cost of similar solutions.
deta.sh - Build & deploy your ideas on the universe's most developer friendly cloud platform.
adaptable.io - Just connect your GitHub repository and let Adaptable handle the rest.
alwaysdata.com - All your services in one place.