CI/CD

• Gitea - Self-hosted Git hosting, code review, team collaboration, package registry and CI/CD.
• Act - Run your GitHub Actions locally.
• Gitness - An open source developer platform with source control management, continuous integration and continuous delivery.
• Jenkins - An open source automation server.
• Gitlab

Containers

• Docker
• Watchtower - A tool for automating Docker container base image updates.
• Diun - A Docker image update notifier.
• Lazydocker - A simple terminal UI for both docker and docker-compose.
• Podman - A tool for managing OCI containers and pods.
• k8s
• Minikube - A tool to setup a local Kubernetes cluster.
• K9s - A terminal UI to interact with your Kubernetes clusters.
• ArgoCD - A declarative, GitOps continuous delivery tool for Kubernetes.
• Helm - A tool for managing packages of pre-configured Kubernetes resources.
• Kompose - A conversion tool for Docker Compose to container orchestrators such as Kubernetes.
• Karpenter - Just-in-time nodes for any kubernetes cluster.
• Keda - Allows for fine grained autoscaling for event driven Kubernetes workloads.
• kyverno - Cloud-Native policy management tool.

Databases

• Medusa - A Cassandra backup tool.
• Postgres
• Pgbouncer - A connection pooler for Postgresql.
• Barman - A Postgresql backup tool.
• pgAdmin - A web-based management tool for the Postgres.
• Postgres Exporter - A Prometheus exporter for PostgreSQL server metrics.
• PGVector - Vector similarity search for Postgres.
• Redis - An in-memory key-value store
• Valkey - An open-source version of Redis.

DevSecOps

• Trivy - An open source security scanner.
• Snyk - Scans and monitors your projects for security vulnerabilities.
• Checkov - Prevents cloud misconfigurations and finds vulnerabilities during build-time in infrastructure as code.
• SonarQube - Code Quality, security and static analysis tool.
• Gitleaks - A fast, light-weight, portable, and open-source secret scanner for git repositories, files, and directories.
• Trufflehog - A secrets scanning tool.
• Vault - A tool for secrets management, encryption as a service, and privileged access management.

IaC

• OpenTufu - A community-driven fork of Terraform.
• Atlantis - Terraform Pull Request Automation.
• Localstack - cloud software development framework to develop and test your AWS applications locally.
• Terraformer - A CLI tool that generates terraform files based on existing infrastructure.
• Molecule - Test Ansible roles.
• AWX - A web UI for Ansible.
• Cloud-init - Cross-platform cloud instance initialisation tool.
• Terraform - An infrastructure as code tool that enables you to safely and predictably provision and manage infrastructure in any cloud.

Messaging

• Redis - The famous key-value store.
• RabbitMQ - A reliable and mature messaging and streaming broker,
• ZeroMQ - An open-source universal messaging library.

Misc

• Airflow - A platform to programmatically author, schedule, and monitor workflows.
• Keycloak - Open-source identity and access management for modern applications and services.
• Vagrant - A tool to build and manage virtual machines.

Observability

• Prometheus - The leading open-source
• Awesome Prometheus alerts - A collection of alerting rules.
• Node_Exporter - A system metrics exporter.
• Blackbox_Exporter - Allows blackbox probing of endpoints over HTTP, HTTPS, DNS, TCP and ICMP.
• Grafana - An interactive data-visualization platform.
• FluentBit - A fast log processor and forwarder.
• Fluentd - A log collector and shipper.
• Grafana Loki - A log aggregation system designed to store and query logs from all your applications and infrastructure.
• Sentry - Application performance monitoring and error tracking software.

Resources

• Git Cheat Sheet
• Git tips
• Git flow cheat sheet

Search

• Elasticsearch - A distributed, RESTful search and analytics engine.
• OpenSearch - An open-source fork of Elasticsearch.
• Curator - Tending your Elasticsearch indices.
• TypeSense - A fast, typo- tolerant, in-memory fuzzy search engine.

Storage

• Minio - A high performance object storage.
• Longhorn - A distributed block storage system for Kubernetes.
• Garage - An open-source distributed object storage service tailored for self-hosting.

WebServers

• HAProxy - The reliable, high performance tco/http load balancer.
• Nginx - The famous web server.
• Caddy - A powerful, enterprise-ready web server with automatic HTTPS.