There are also a lot of cool "self-hosted Heroku" alternatives
- Coolify (PHP) (2020) https://github.com/coollabsio/coolify
- Dokku (Go) (2013) https://github.com/dokku/dokku
- Dokploy (TypeScript) (2024) https://github.com/Dokploy/dokploy
- CapRover (TypeScript) (2017) https://github.com/caprover/caprover
- Komodo (Rust) (2022) https://github.com/moghtech/komodo