The best alternatives to Deployer are Porter, Deploy Now, and Gitploy. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Deployer?
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Porter brings the magical experience of deploying an application with just a few clicks into your own AWS or GCP account. Porter will manage the underlying infrastructure for you - simply point at your repo and Porter will handle the rest, from building your application to autoscaling it.
With Deploy Now from IONOS, you can git push your static website or web project from GitHub directly without any build or bandwidth restrictions. Staging, SSL and georedundant, DDoS-protected infrastructure are included in the free plan.
Gitploy makes your team or organization build the deployment system around GitHub in minutes. Now, do not waste the time building the deployment system.