Open-source alternatives to Docuum

docker-gc is a garbage collection tool for Docker hosts designed to reclaim disk space by automatically removing exited containers, unused images, and dangling volumes. It functions as a resource cleaner that optimizes host storage through the lifecycle management of orphaned or inactive container resources. The utility manages image retention by preserving a minimum number of the most recent images per repository while deleting older versions. It employs configurable grace periods to determine when images and containers become eligible for deletion and supports pattern-based exclusion to pre

Docker cleanup volumes is a containerized system maintenance tool and shell script designed to scan host systems and delete unused Docker storage volumes. It reclaims disk space by identifying leftover data assets that are no longer attached to any active containers. The utility inspects container-graph dependencies to distinguish between active and orphaned storage items. It supports dry-run preview execution to simulate cleanup operations and review target volumes before any actual data deletion occurs. The software can be executed directly as a command-line shell script or run as a contai

Aldertech Dynamic Resource Governor — A kernel-level resource manager for high-density Docker stacks on Raspberry Pi and low-power servers.

Keep docker hosts tidy