Hacker ApprovedDepartments

Sylve

Hacker Approved

Shares rank 4 of 16 hypervisors by recommenders

Free FreeBSD virtualization platform, a Proxmox alternative with ZFS at its core and template-based VM deployment. Caveat: an early project, with few ready-made packages and some networking problems reported.

Free FreeBSD virtualization platform, a Proxmox alternative with ZFS at its core and template-based VM deployment. Caveat: an early project, with few ready-made packages and some networking problems reported.

20 people gave an opinion

recommend it
17
criticize it
3
approval share
85%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it carries the badge

  • 17 people recommend itNeeds 10 or more, met.
  • 5.7 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 6 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Smooth, clean, modern interface

    “we felt was missing, and built something that feels smoother for our workflows”

    Comment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

    “Even at such an early stage Sylve already looks like it's clicking nicely”

    Comment from 1 Apr 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

    “Sylve with Svelte stays smooth even on large clusters.”

    Comment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”
  • Alternative to Proxmox and TrueNAS

    “looks like a possible sweet spot replacement for both proxmox and TrueNAS”

    Comment from 26 Jun 2026 in “Migrating from Proxmox to NixOS and Incus”

    “This is a welcome alternative in the space.”

    Comment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”
  • Easy to use, rarely needs CLI

    “With Sylve, you rarely need to touch the CLI.”

    Comment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

    “Sylve makes them really easy to use”

    Comment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”
  • Templates and jail-based isolation

    “you can create a template out of Sylve (with networking, storage, CPU config etc.) and then deploy that template as many times as you want”

    Comment from 31 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

    “you can already run Sylve inside jails. That gives you multiple isolated "nodes" on a single machine”

    Comment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

Other hypervisors people recommend

The four most recommended other hypervisors, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Sylve compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Proxmox VE2086078%123 yrs16 ownersApproved
Incus90892%126 mo5 ownersApproved
KVM32978%12—Approved
SylveThis page17385%6—Approved
Hyper-V17965%9——
See all 16 hypervisors, ranked

What people said

25 of the 30 comments that mention it, newest first. Each links to the original comment.

“looks like a possible sweet spot replacement for both proxmox and TrueNAS”

RecommendsComment from 26 Jun 2026 in “Migrating from Proxmox to NixOS and Incus”

“I did try it on a couple machines and couldn't get the network working”

CriticizesComment from 9 May 2026 in “FreeBSD: Local Privilege Escalation via Execve()”

“Sylve or Bastille is amazing for it.”

RecommendsComment from 8 Apr 2026 in “Slightly safer vibecoding by adopting old hacker habits”

“Even at such an early stage Sylve already looks like it's clicking nicely”

RecommendsComment from 1 Apr 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“It still looks like a beautiful design”

MixedComment from 31 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“if an user cannot perform the same tasks via CLI, I see that as a big blocker for a project to be fully adopted”

CriticizesComment from 31 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“In Sylve, we tried to make ZFS a first-class part of the system rather than something sitting underneath it.”

RecommendsComment from 31 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“it already stands on its own as a solid option”

RecommendsComment from 31 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“you can create a template out of Sylve (with networking, storage, CPU config etc.) and then deploy that template as many times as you want”

RecommendsComment from 31 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“Excellent, this makes a lot of sense. I'll try it out”

RecommendsComment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“Sounds awesome! Looking forward to trying it out.”

RecommendsComment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“we felt was missing, and built something that feels smoother for our workflows”

RecommendsComment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“you can already run Sylve inside jails. That gives you multiple isolated "nodes" on a single machine”

RecommendsComment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“With Sylve, you rarely need to touch the CLI.”

RecommendsComment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“FreeBSD+Sylve (using bhyve under the hood) seems to be, at long last, my way out of systemd.”

RecommendsComment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“Sylve looks like a decent project with a promising future”

MixedComment from 30 Mar 2026 in “From Proxmox to FreeBSD and Sylve in Our Office Lab”

“Sylve makes them really easy to use”

RecommendsComment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”

“fully self-contained, and doesn't mess with the base system in any destructive way”

RecommendsComment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”

“Kind of envious of this as a Debian user.”

RecommendsComment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”

“Sylve with Svelte stays smooth even on large clusters.”

RecommendsComment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”

“This is a welcome alternative in the space.”

RecommendsComment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”

“Looks great! Love seeing Svelte being adopted in the wild.”

RecommendsComment from 29 Mar 2026 in “Sylve – Proxmox Alternative by FreeBSD”

“Ah, very cool. Thanks for sharing; will try it out”

RecommendsComment from 21 Jan 2026 in “SmartOS”

“At the moment there are no ready-to-use packages for Sylve.”

CriticizesComment from 31 Dec 2025 in “Sylve: The Most Promising Proxmox-Like Virtualization Way for FreeBSD and Bhyve”

“which gives it a clean and modern look”

RecommendsComment from 31 Dec 2025 in “Sylve: The Most Promising Proxmox-Like Virtualization Way for FreeBSD and Bhyve”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.