Flint

Flint is a modern, self-contained management tool for Linux virtualization using KVM via libvirt. It provides an embedded web interface, a CLI, and an HTTP API to create, manage, and automate virtual machines without dealing with libvirt XML directly.

Key Features

• Embedded Web UI with passphrase-based login and session cookies
• CLI and authenticated HTTP API (bearer token) for automation and integrations
• VM lifecycle management (list, launch, start/stop, manage resources)
• Cloud image browsing and downloads to speed up VM creation
• Cloud-init provisioning support and snapshot-based templates
• Manage local or remote libvirt hosts via SSH transport

Use Cases

• Homelab and developer workstation VM management with minimal overhead
• Lightweight alternative to heavier virtualization management platforms
• Automating VM provisioning and operations through a scriptable CLI/API

Limitations and Considerations

• Requires a Linux host with QEMU/KVM and libvirt (libvirt 6.10.0+)
• Remote management relies on SSH key-based authentication (no password auth)

Flint is a pragmatic choice for operators who want a small footprint and a modern interface while keeping full control over KVM/libvirt infrastructure. It focuses on fast workflows, automation, and simple deployment as a single binary.