List of free deployment stuff for developerππ½
If you're looking for all programming tools around deployment (not just free). Check this page List of deployment Programming Tools

Buddy Works
Get the most powerful and easy-to-configure continuous integration and delivery platform.
Tag: CI-CD, deployment
Unlimited Delivery Pipelines High-performance Build Environment Easy configuration via GUI & YAML First-class Docker support Continuous Deployment for GitHub, GitLab, Bitbucket, and more Details: 5 projects 120 pipeline runs/mo 512 MB Cache storage 1 GB RAM & 2 vCPU 1 Concurrent pipeline 1 Parallel action

Fly
Deploy App Servers close to Your Users. Make your applications 80% faster by running on physical servers in cities where your users are.
Tag: deployment
VM: shared-cpu (2,340 hours per month) Bandwith: 160GB per month Anycast IPS: Unlimited IPv6, 1 IPv4 per active app 10 active certificates

serverless
Build web, mobile and IoT applications using AWS Lambda and API Gateway, Azure Functions, Google Cloud Functions, and more.
Tag: serverless, deployment, AWS
1 User Run 1 concurrent build Up to 100K monitoring transactions/month
pulumi
Pulumi's open source infrastructure as code SDK and enterprise SaaS products together provide editions for teams of all sizes.
Tag: cloud, deployment, Infrastructure, CI-CD
1 member Any cloud and language State & secret management Unlimited deployments CI/CD Integrations

Jenkins
an open source automation server which enables developers around the world to reliably build, test, and deploy their software
Tag: CI-CD, deployment
Free forever and Open Source

Unleash
Feature management lets you turn new features on/off in production with no need for redeployment. A software development best practice for releasing and validating new features.
Tag: feature, deployment, testing
Hosted by you Canary release (Gradual rollout) On/Off Targeted release Experimentation (A/B testing) Kill switches Community support

Earthly
Fast, consistent builds with an instantly familiar syntax β like Dockerfile and Makefile had a baby. Write builds once, and run them anywhere β on your laptop, remote, and in any CI. Great for monorepos and polyrepos. Open source, 9000+ stars.
Tag: ci-cd, deployment
6,000 minutes/month Log Sharing Secrets XS and S satellites 8 days cache retention x86 & arm64 satellites Community support