qcow2-dump is a useful tool for checking and repairing damaged qcow2 image, it has some improvements compare with qemu-img check command (qcow2-dump has all functions which qemu-img check command has).

TeQA (Termux, Qemu and Alpine) Installler

This shell script allows you to convert OVA (Open Virtualization Format) images to QCOW2 images.

Virtual disk type batch conversion tool | 虚拟磁盘类型批量转换工具

Proxmox Templates Maker is an application to help you create VM templates from images you can customize.

Bash scripts for automatic Windows images building with elements collection

qemu-img convert command(eg: qemu-img convert -f qcow2 -o preallocation=off -O qcow2 src.qcow2 dst.qcow2) will lost snapshots of qcow2 image. qcow2-defrag is a tool for defragging qcow2 image which can solve this problem.

Running Kali Linux on Apple M1 using QEMU x86 emulation

Qemu incremental backups with Dirty bitmaps and QMP

VM disk image utils

Scripts to export and convert XVA Virtual Machine images to qcow2 or img(raw) images.

Kvm Virtual Machine Manager

Create networks of virtual switches and virtual machines without root privileges

Building bare metal OS images with Packer, VirtualBox and qemu-img