Panelica vs cPanel vs Plesk: Which Hosting Control Panel Should You Choose?

TL;DR

Choosing between Panelica, cPanel, and Plesk depends on your priorities. Panelica focuses on 5-layer security isolation (cgroup v2 + namespaces) and Docker management. cPanel offers the largest third-party ecosystem. Plesk provides strong WordPress tooling and is the only panel among these three that supports Windows Server. This comparison covers security, features, and migration capabilities.

Overview

Three of the most discussed hosting control panels in 2026 represent very different philosophies:

• cPanel — The incumbent, with the largest ecosystem and the most third-party integrations. Widely deployed, with deep market penetration in shared hosting.
• Plesk — A strong alternative with excellent WordPress tooling, a clean interface, and the distinction of supporting both Linux and Windows Server.
• Panelica — A newer panel built from scratch with Go and React, focused on security isolation architecture and Docker management without requiring third-party OS add-ons.

Architecture Comparison

Security Isolation

Security isolation is the most significant architectural difference between these three panels.

Panelica — 5-Layer Isolation

Panelica implements 5 distinct isolation layers for every hosting account — no additional OS license required:

1. Cgroup v2 — Hard CPU, memory, I/O, and process limits per user at the kernel level. Fork bombs and memory exhaustion attacks are contained per-account.
2. Linux Namespaces — PID and mount namespace isolation. Users cannot see each other's running processes.
3. SSH Chroot Jails — SFTP-only or bash+chroot modes. Users cannot navigate outside their home directory.
4. PHP-FPM Per-User Per-Version Pools — Each user has isolated PHP worker processes with open_basedir and disable_functions. Multiple PHP versions selectable per domain.
5. Unix Permission Enforcement — Dedicated UID/GID per account, home directories set to 700, strict file ownership.

Additional: ModSecurity + OWASP CRS WAF, ClamAV antivirus, Fail2ban, nftables firewall.

cPanel — Isolation Requires CloudLinux

cPanel's base installation provides Unix permission separation and basic PHP-FPM support. Cgroup v2 and namespace isolation require CloudLinux OS — a separate third-party product with its own licensing cost. Without CloudLinux, cPanel offers minimal process and resource isolation between accounts.

Plesk — Limited Native Isolation

Plesk provides PHP-FPM per-domain pools and SSH access controls. It does not include cgroup-based resource isolation or namespace separation in its base offering. Docker extension is available separately.

Security Feature Table

Docker & Container Support

Panelica

• Built-in Docker management with full UI
• Container creation, monitoring, and lifecycle management
• RBAC-controlled: users can only see their own containers
• Cgroup integration for container resource limits
• Docker Compose support

cPanel

• No native Docker support
• Third-party plugins available but limited

Plesk

• Docker extension available
• Basic container management
• Extension marketplace approach

WordPress Management

Plesk's WordPress Toolkit remains the most integrated WordPress management experience across these three panels, with granular update control and staging capabilities that are mature and feature-rich.

Email Stack

RBAC & Multi-Tenancy

Migration Capabilities

Licensing Models

cPanel uses a per-account pricing model — costs increase as you add more hosting accounts, which can become significant at scale. Plesk uses a per-domain model. Panelica uses a flat per-server model, making costs predictable regardless of account count.

For current pricing, refer to each panel's official website. Pricing changes over time, and what matters most is understanding the model: per-account vs per-domain vs per-server flat rate.

Choosing the Right Panel

Consider Panelica if you prioritize:

• Security isolation at the kernel level (cgroup v2 + namespaces) without additional OS licenses
• Docker management with RBAC user separation
• Migrating from multiple panel types (cPanel, Plesk, DirectAdmin, CyberPanel)
• A Go-based panel with a modern API-first architecture
• Linux-only deployments (Ubuntu or Debian)

Consider cPanel if you prioritize:

• Maximum third-party software compatibility (billing systems, plugins, integrations)
• The largest ecosystem of support resources and documentation
• Familiarity — your team and customers already know cPanel
• AlmaLinux or Rocky Linux server environments

Consider Plesk if you prioritize:

• WordPress hosting with the most integrated WordPress Toolkit
• A mature panel with strong Windows Server support
• Extension-based feature expansion with a curated marketplace
• Mixed Linux/Windows hosting environments

FAQ

How does Panelica compare to cPanel?

Panelica and cPanel have different architectural approaches. Panelica provides 5-layer isolation (cgroup v2, namespaces, chroot, PHP-FPM, Unix permissions) as built-in features without requiring additional OS licenses. cPanel offers a larger third-party ecosystem and has been the industry standard for decades. cPanel's per-account pricing scales with growth; Panelica uses flat per-server pricing.

How does Panelica compare to Plesk?

Panelica focuses on security isolation and Docker management. Plesk's strength is WordPress tooling — its WordPress Toolkit is more mature and feature-rich than any other panel's WordPress management. Plesk also has strong Windows Server support, which is a significant advantage for providers running mixed environments. Panelica does not support Windows.

Does Plesk support Windows Server?

Yes. Plesk is the only major hosting control panel that supports both Linux (Ubuntu, Debian, CentOS, AlmaLinux) and Windows Server. This makes it particularly valuable for hosting providers who need to manage both Linux and Windows hosting environments from a single interface. cPanel and Panelica are Linux-only.

Which panel is easier to migrate to from cPanel?

Panelica provides automated migration that handles files, databases, email, DNS, and SSL from cPanel — with database password hash preservation so users don't need to reset passwords. Plesk also offers cPanel migration. Most other alternatives require manual migration.

Which panel has better Docker support?

Panelica includes native Docker management as a core feature with full RBAC — each user can manage their own containers without seeing others. Plesk offers Docker through an extension. cPanel does not include native Docker support.

Do I need CloudLinux with cPanel for isolation?

For cgroup-level resource isolation and namespace separation, yes — cPanel requires CloudLinux (a separate OS with its own license cost). Without CloudLinux, cPanel provides basic PHP-FPM separation and Unix permissions. Panelica includes equivalent isolation capabilities without additional OS licensing.

Panelica is a hosting control panel built with Go and React, focused on deep security isolation and Docker management. cPanel remains the most widely deployed panel with the largest ecosystem. Plesk offers the strongest WordPress-specific tooling and uniquely supports Windows Server. The right choice depends on whether you prioritize security isolation, ecosystem compatibility, WordPress optimization, or Windows support.