ISPConfig
ISPConfig provides an open-source Linux hosting control panel for web hosting providers, ISPs, and system administrators. The Lüneburg, Germany-based company monetizes optional paid add-ons (Billing Module, Migration Toolkit, malware scanners, WordPress Manager) alongside its BSD-licensed core software and partner-delivered enterprise support.
- Company typePrivate
- Founded2012
- HeadquartersLüneburg, Germany
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What ISPConfig does
ISPConfig develops and maintains an open-source hosting control panel for Linux servers, distributed under the BSD 3-Clause license and operated through ISPConfig UG (Haftungsbeschränkt), a German limited liability company headquartered in Lüneburg and led by CEO Till Brehm. The core product, ISPConfig 3, is a web-based interface that manages websites, email accounts, FTP users, shell users, cron jobs, SSL certificates, and DNS zones across single-server, multi-server, and mirrored-cluster configurations. It supports Apache and nginx HTTP servers, Postfix SMTP, Dovecot IMAP/POP3, BIND/PowerDNS, and the MySQL/MariaDB/PostgreSQL database families, and runs on Debian, Ubuntu, AlmaLinux, RockyLinux, and CentOS distributions (including ARM64 since mid-2024). The product also integrates Let's Encrypt, RoundCube/SquirrelMail webmail, phpMyAdmin, Webalizer/Munin/Monit monitoring, Rspamd/Amavis/ClamAV/fail2ban security, Bacula backup, and a SOAP-based Remote API enabling third-party integration.
The business model is freemium-led: the core panel is free, with monetization concentrated in a small portfolio of paid add-ons—the Billing Module (€59 per server), the Migration Toolkit (€79 for up to 10 source servers, 1-year license), the ISPProtect Malware Scanner, the ISPProtect BanDaemon DOS protection, the WordPress Manager, and a 400+ page user manual (€5 single download or €5/month via HowtoForge). Enterprise support and consulting are delivered through a channel partnership with AmsterdamTech on a quote basis. Customer acquisition is community-led, primarily through HowtoForge forums, the official documentation site, the public GitLab repository, the official blog and newsletter, and SourceForge listings; the company discloses no external funding, no enterprise logo anchors, and reports 40,000+ downloads per month, 10,260+ GitLab commits, 52 releases, and 20+ language localizations. The target customer base consists of web hosting providers, ISPs, Linux system administrators, hosting resellers, and small-to-mid enterprise Linux server operators.
ISPConfig firmographics
Firmographics- Name
- ISPConfig
- Legal name
- ISPConfig UG (Haftungsbeschränkt)
- Website
- https://ispconfig.org
- Company type
- Private
- Founded year
- 2012
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- ISPConfig provides an open-source Linux hosting control panel for web hosting providers, ISPs, and system administrators. The Lüneburg, Germany-based company monetizes optional paid add-ons (Billing Module, Migration Toolkit, malware scanners, WordPress Manager) alongside its BSD-licensed core software and partner-delivered enterprise support.
- Ownership category
- akta.pro rank
ISPConfig industry classification
Industry- Product category
- Server Management Software
- NAICS
- Computer Systems Design and Related Services (54151), Computer Facilities Management Services (541513)
- SIC
- Services-Computer Programming Services (7371)
- akta.pro primary industry
- Managed Internet & Value-Added ISP Services (Managed Router/Wi-Fi, Security, Filtering) (HDAIADAJ)
- akta.pro secondary industries
- DevSecOps & Supply Chain Security (DevOps toolchain security) (BPAEAKAI), Fault & Performance Monitoring (SNMP/Telemetry/APM for Networks) (HDAFAMAA)
Keywords
Where ISPConfig is headquartered
LocationHeadquarters
- HQ city
- Lüneburg
- HQ country
- Germany
- HQ region
- Europe
Offices2 records
Markets served
ISPConfig business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Infrastructure, Marketing or Sales
Revenue model
- Open Source Core Software: ISPConfig hosting control panel is free, open source software licensed under BSD 3-Clause license. This is the primary product with no cost to users.
- Billing Module: Paid add-on module for ISPConfig 3.2 providing billing and invoicing features. Priced at €59 per server with 12 months of free updates included.
- Migration Toolkit: Paid tool for migrating from other control panels (ISPConfig 2/3, Plesk, CPanel, Confixx) to ISPConfig 3. License valid for 1 year, usable on up to 10 source servers. Priced at €79.
- User Manual: ISPConfig 3.1 Manual with 400+ pages available for €5 as single download or via HowtoForge subscription (€5/month or €25/6 months).
- Enterprise Support: Business support provided through partner AmsterdamTech including email support, remote login, installation and consulting services. Quoted separately per issue.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | ISPConfig Core - Free |
| One time/ perpetual license | Multi-year contract | Migration Toolkit |
| One time/ perpetual license | Multi-year contract | Billing Module |
| One time/ perpetual license | Annual | User Manual (PDF) |
| Other | Pay-as-you-go | Enterprise Support |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels7 records
ISPConfig product offering
Product offeringCore offering
ISPConfig is a free, open-source hosting control panel for Linux servers that enables administrators to manage websites, email accounts, FTP users, databases (MySQL/MariaDB/PostgreSQL), DNS zones, cron jobs, shell users, and SSL certificates from a single web-based interface. It supports single-server, multi-server, and mirrored cluster configurations, with four access levels (Administrator, Reseller, Client, Email Login) and is offered under the BSD 3-Clause license. The company also sells paid add-on modules (Billing Module, Migration Toolkit, WordPress Manager, Nextcloud User Sync Plugin, ISPProtect malware scanner and BanDaemon) and provides optional commercial enterprise support.
Product overview
ISPConfig is an open-source hosting control panel for Linux available under BSD license. The core product is ISPConfig 3, a multi-server management control panel supporting websites, email, FTP, databases, DNS, and monitoring. The product portfolio includes add-on modules: the Billing Module (€59) for invoicing and subscription management, the Migration Toolkit (€79) for migrating from competing panels like Plesk and CPanel, the WordPress Manager for automated WordPress management, the Nextcloud User Sync Plugin for user synchronization, plus ISPProtect malware scanner and BanDaemon DOS protection. ISPConfig also offers a Remote API for external integrations, an auto-installer for simplified deployment, and comprehensive documentation including a paid manual.
Differentiator
Problem solved
Functional benefit
Brands
- ISPConfig Billing Module: Provider billing software integrated into ISPConfig 3.2 for invoicing, recurring items, PDF generation, payment reminders. Priced at €59 per server.
- ISPConfig Migration Toolkit
Products and services
- ISPConfig 3 Hosting Control Panel Open-source hosting control panel for Linux servers that manages websites, email accounts, FTP users, databases, DNS zones, cron jobs, shell users, and SSL certificates through a web-based interface with four access levels (Administrator, Reseller, Client, Email Login). Supports single and multi-server setups with mirrored clusters. Free under BSD 3-Clause license with more than 40,000 downloads per month.
- ISPConfig Billing Module Provider billing and invoicing add-on module integrated into ISPConfig 3.2 that supports creating invoices, automatic recurring invoices, PDF generation, payment reminders via PayPal, client management, and multiple invoice number patterns. Priced at €59 per server with 12 months of free updates included.
- ISPConfig Migration Toolkit Migration utility combining ISPConfig Migration Tool and ISPCopy to migrate ISPConfig installations and import data from ISPConfig 2/3, Plesk, CPanel, and Confixx into ISPConfig 3. Uses ISPConfig Remote API or SSH for data transfer. License priced at €79, valid for 1 year and usable on up to 10 source servers with unlimited migrations.
- ISPConfig WordPress Manager Extension for ISPConfig to install and manage WordPress sites with one-click installation, one-click updates, plugin and theme management, and WordPress installation templates with preinstalled plugins and custom Apache/Nginx/PHP settings.
- ISPConfig Nextcloud User Sync Plugin Plugin developed by Mediabox Chile that synchronizes user accounts and passwords between ISPConfig and Nextcloud systems, providing seamless integration for hosting providers running both platforms.
- ISPProtect Malware Scanner Malware scanning tool for ISPConfig servers that detects malicious code in websites and files and protects hosted environments against infections.
- ISPProtect BanDaemon DOS protection system for ISPConfig servers that defends against denial-of-service and brute-force attacks. Version 2.0 adds modern systemd support, security hardening features, a rewritten PDO-based database library, and a redesigned installation experience.
- ISPConfig 3.1 User Manual Over 400-page PDF manual covering ISPConfig 3.1 concepts, installation, configuration, and tutorials. Authors Till Brehm and Falko Timme. Available for €5 as a single download or via HowtoForge subscription (€5/month or €25/6 months).
- Enterprise Support Services Commercial business support delivered through partner AmsterdamTech, including email support, remote login assistance, installation services, and consulting for ISPConfig deployments. Quoted separately per issue.
Companies that use ISPConfig
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles4 records
ISPConfig technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration13 records
Feature5 records
ISPConfig partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- AmsterdamTechcoreISPConfig business support and consulting partner providing email support, remote login assistance, installation services, and consulting. Contacted via ispconfig.org/get-support/?type=ispconfig for quotes on support issues.
Scale indicators4 records
Recent moves6 records
Expansion highlights6 records
ISPConfig competitors and assessment
Company assessmentDirect peers
- DirectAdmin: Lower-cost commercial hosting control panel that competes with ISPConfig in the budget-conscious segment of the web hosting market. Offers similar core features — website, email, database, and DNS management — for shared hosting providers and resellers.
- cPanel: The dominant commercial hosting control panel for Linux. Directly competes with ISPConfig for web hosting providers and resellers, offering a more polished UI, broader ecosystem, and per-account licensing model that has driven many users to seek free alternatives like ISPConfig.
- Webmin / Virtualmin: Open-source Unix/Linux system administration panel and its Virtualmin hosting extension. Targets the same Linux sysadmin and small hosting provider customer base as ISPConfig, with comparable multi-server capabilities and a free open-source model.
- Plesk: Major commercial hosting control panel competing head-to-head with ISPConfig. ISPConfig's Migration Toolkit explicitly supports importing from Plesk, indicating they target the same hosting provider customer base with overlapping feature sets around websites, email, and DNS management.
- CentOS Web Panel: Free and premium hosting control panel for CentOS/RHEL-family distributions. Overlaps with ISPConfig's AlmaLinux/RockyLinux/CentOS support and competes for the same ISP and hosting provider customers, though with a more distribution-specific focus.
Emerging players
- RunCloud: SaaS-based server management panel for cloud-hosted PHP and WordPress sites. Competes with ISPConfig in the web hosting management category but with a cloud-first, subscription model aimed at developers and agencies rather than traditional hosting providers.
- Ajenti: Open-source server administration panel with a Python-based architecture. Targets the same Linux sysadmin persona as ISPConfig but with a more general-purpose server management scope and a smaller hosting-specific feature set.
- CyberPanel: Open-source hosting control panel built on LiteSpeed Web Server. Competes with ISPConfig for the same hosting provider segment, particularly among users seeking modern UI and built-in WordPress optimization, but with a narrower web server focus.
- CloudPanel: Free, modern server control panel focused on cloud servers (AWS, Google Cloud, Hetzner). Targets a subset of ISPConfig's audience — Linux sysadmins deploying on cloud infrastructure — with a more contemporary UI but narrower feature breadth.
- Sentora: Open-source web hosting control panel forked from the older ZPanel project. Directly comparable to ISPConfig in target customer (small hosting providers and resellers) and feature set (web, mail, DNS, databases), though with a smaller community.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
ISPConfig social profiles
Digital presenceISPConfig compliance and trust
Trust signalCompliance1 record
ISPConfig financial estimates
Financial estimateRevenue estimate
Valuation estimate
ISPConfig leadership team
Management profileNumber of profiles
Profiles2 records
ISPConfig funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ISPConfig M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ISPConfig
What does ISPConfig do?
ISPConfig is a free, open-source hosting control panel for Linux servers that enables administrators to manage websites, email accounts, FTP users, databases (MySQL/MariaDB/PostgreSQL), DNS zones, cron jobs, shell users, and SSL certificates from a single web-based interface. It supports single-server, multi-server, and mirrored cluster configurations, with four access levels (Administrator, Reseller, Client, Email Login) and is offered under the BSD 3-Clause license. The company also sells paid add-on modules (Billing Module, Migration Toolkit, WordPress Manager, Nextcloud User Sync Plugin, ISPProtect malware scanner and BanDaemon) and provides optional commercial enterprise support.
Is ISPConfig a public or private company?
ISPConfig is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was ISPConfig founded?
ISPConfig was founded in 2012. It employs 1 to 10 people.
Where is ISPConfig based?
ISPConfig is headquartered in Lüneburg, Germany, in the Europe region.
How does ISPConfig make money?
Five revenue lines are on record. Open Source Core Software is the primary driver. The others are billing Module, migration Toolkit, user Manual and enterprise Support.
Who are ISPConfig's main competitors?
Direct peers on record are DirectAdmin, cPanel, Webmin / Virtualmin, Plesk and CentOS Web Panel. Emerging players are RunCloud, Ajenti, CyberPanel, CloudPanel and Sentora.
Does ISPConfig have an API?
Yes. ISPConfig provides a Remote API that allows developers to build external applications and scripts that can interact with ISPConfig. The API supports managing clients, websites, email domains, mailboxes, DNS zones, FTP accounts, databases, and more. It uses SOAP protocol and requires authentication via remote user accounts created within ISPConfig. The Migration Toolkit uses this API to import data from other control panels into ISPConfig installations. Developer documentation is at docs.ispconfig.org/development/remote-api.
What industry is ISPConfig in?
ISPConfig's product category is Server Management Software. Its primary akta.pro industry code is HDAIADAJ, Managed Internet & Value-Added ISP Services (Managed Router/Wi-Fi, Security, Filtering), with a secondary code of BPAEAKAI, DevSecOps & Supply Chain Security (DevOps toolchain security). Its NAICS code is 54151 and its SIC code is 7371.