Feature Comparison
| Feature | Opterius | cPanel | Plesk | DirectAdmin | HestiaCP |
|---|---|---|---|---|---|
| Starting price | Free / $19/mo | ~$20–46/mo | ~$10–25/mo | ~$2–5/mo | Free |
| OS support | Ubuntu, Debian, RHEL, AlmaLinux, Rocky | CentOS/AlmaLinux/CloudLinux only | Linux + Windows | Debian, Ubuntu, AlmaLinux | Debian, Ubuntu only |
| Architecture | Panel + Agent (separate process) | Monolithic | Monolithic | Monolithic | Monolithic |
| Multi-server from one UI | Yes (Business/Datacenter plans) | No | Yes (paid add-on) | No | No |
| Reseller accounts | Yes | Yes | Yes | Yes | Limited |
| WordPress installer | Yes | Via Softaculous (paid) | Via Plesk WP Toolkit | Via Softaculous (paid) | Via QuickInstall |
| Automated backups | Yes | Yes | Yes | Yes | Yes |
| Security scanner | Yes | Via ImunifyAV (paid) | Built-in | Limited | No |
| WHMCS integration | Native module | Native module | Native module | Native module | No |
| Open-source Panel | Yes (GitHub) | No | No | No | Yes |
| Agent binary open-source | No (license enforcement) | N/A | N/A | N/A | N/A |
vs cPanel
cPanel is the incumbent — it powers a majority of shared hosting infrastructure worldwide and has been around since 1996. That longevity is both its strength and its limitation.
Price. cPanel moved to per-account pricing in 2019, which hit small and mid-sized hosts hard. A server with 100 accounts now costs $45–46/month in cPanel licensing alone, before the server itself. Opterius's Starter plan is $19/month regardless of account count.
Age. The cPanel UI was last meaningfully redesigned around 2019 (Paper Lantern to Jupiter). The underlying architecture still reflects decisions made in the early 2000s — it runs as root, mixes configuration and state, and is difficult to automate against. Opterius was designed from scratch as an API-first system with a separate Agent process.
OS support. cPanel dropped CentOS 8 support and is tied to AlmaLinux/CloudLinux/RHEL. Opterius supports the full range of enterprise and Debian-family distributions.
Migration. Opterius can import cPanel pkgacct backups directly, so moving from cPanel to Opterius is well-supported.
vs Plesk
Plesk is the primary cPanel alternative in the enterprise and European markets. Its main differentiation is Windows Server support.
Windows. If you need to host ASP.NET applications on Windows Server, use Plesk. Opterius is Linux-only and has no plans to support Windows Server.
Price. Plesk Web Pro (the tier most comparable to Opterius Starter) runs around $14–25/month depending on the reseller channel. Opterius is cheaper at the entry level and significantly cheaper at scale.
Architecture. Like cPanel, Plesk is monolithic. Opterius's Agent architecture means the Panel itself does not need root privileges — the Agent handles privileged operations as a small, auditable binary.
Migration. Plesk to Opterius migration is manual — Plesk backup format is not supported. See Migration FAQ.
vs DirectAdmin
DirectAdmin occupies a similar price bracket to Opterius at the entry level and is popular with budget hosts.
Price. DirectAdmin's pricing has historically been very low (some reseller channels offer it for $2–3/month). Opterius's Free plan wins at the bottom, but DirectAdmin can be cheaper than the Opterius Starter plan for single-server use depending on the channel.
OS support. DirectAdmin has historically lagged on RHEL 9 and AlmaLinux 9 support. Opterius supports AlmaLinux 8/9 and Rocky Linux 8/9 cleanly from day one.
API. DirectAdmin has a legacy API that has been extended over the years but was not designed API-first. Opterius's API is REST/JSON and was designed before the UI, so it covers everything the UI does.
WHMCS. Both have WHMCS modules. The Opterius module is maintained alongside the Panel itself rather than as a third-party addon.
vs HestiaCP
HestiaCP is a free, open-source panel forked from VestaCP. It is a reasonable choice for hobbyists and very small hosts.
Price. Both have free tiers. For zero accounts and zero budget, they are comparable.
OS support. HestiaCP officially supports Debian and Ubuntu only. No RHEL, AlmaLinux, or Rocky Linux support.
Architecture. HestiaCP is a collection of shell scripts and a PHP UI. There is no agent — all privileged operations run directly via the web server user or via SUID scripts. This is simpler but less secure and harder to audit.
WHMCS integration. HestiaCP has no native WHMCS module. Third-party modules exist but are community-maintained with varying reliability.
Resellers. HestiaCP has limited reseller functionality. Opterius has a first-class reseller system.
Multi-server. HestiaCP cannot manage multiple servers from one interface. Opterius's Business and Datacenter plans support multi-server management from a single Panel.