Strong Foundation.Simple Control.

Control your infrastructure without getting buried in management tools.

Quick installpkg install sylve

Read the docs View on GitHub

Built on FreeBSD

We make orchestration simple, and the incredibly robust base system does the rest.

01 / 04

Interactive product demo

Explore Sylve.

A working three-node cluster, right here in your browser.

Interactive Sandbox

3 nodes Sample data Open full

SYLVE

Sylve platform

Build and operate on FreeBSD.

Run VMs and Jails, manage ZFS storage and host networking, then coordinate workloads across a cluster.

<384 MBbaseline memory

Bhyve + Jailsworkload runtimes

ZFS nativestorage and replication

BSD-2-Clauseopen source

Compute

Run VMs and Jails.

Provision Bhyve VMs, FreeBSD Jails, and Linux Jails. Snapshot workloads, create templates, and migrate guests between hosts.

Cloud-Init and templates
PCI passthrough and CPU pinning
Snapshots and migration

Storage

Build on ZFS.

Create pools, filesystems, and zvols; schedule snapshots; replicate datasets; and serve storage over Samba or iSCSI.

Periodic snapshots
Replication and failover
Samba and iSCSI

Network

Shape the network.

Build bridges and virtual networks, enforce firewall and NAT policy, and run DHCP, mDNS, routing, or WireGuard on the host.

Bridges and interfaces
Firewall and NAT
DHCP, mDNS and WireGuard

Multi-node

Coordinate every host.

Join FreeBSD hosts into a cluster, migrate guests, schedule replicated copies, fail over workloads, and restore from remote backups.

Guest migration
Replication policies
Backup and restore

Project supporters

Made possible by open infrastructure partners

Organizations helping Sylve stay open, independent, and useful on real infrastructure.

Sponsor Sylve

Your logo hereBecome a supporter ↗

Common questions

Know what fits before you install.

Still deciding if Sylve fits your environment? Read the documentation or talk with us on Discord.

01 What workloads does Sylve support?

Sylve runs Bhyve virtual machines, FreeBSD Jails, and Linux Jails. It provides guest lifecycle controls, VNC and serial consoles, snapshots, Cloud-Init, VM templates, PCI passthrough, CPU pinning, and migration between Sylve hosts.

02 What does Sylve require from the host?

03 How does Sylve use ZFS?

04 Which networking features are built in?

05 Can I cluster hosts, migrate guests, and fail over?

06 How do backups and restores work?

07 How is Sylve different from Proxmox?

Start with Sylve

Start with one host. Build from there.

Install Sylve from pkg, then add VMs, Jails, ZFS storage, networking, backups, and clustered hosts as your infrastructure grows.

Install Sylve GitHub Discord