6 Self-Hosted VPN Server Software Tools for Secure Small Business Networks

For small businesses, safeguarding digital assets, client communications, and internal systems is no longer optional. As cyber threats grow in sophistication, companies are turning to self-hosted VPN (Virtual Private Network) server software to protect remote connections, secure sensitive data, and maintain control over their own infrastructure. Unlike third-party VPN services, self-hosted solutions provide enhanced privacy, customization, and cost efficiency over time.

TLDR: Self-hosted VPN server software gives small businesses greater control, privacy, and long-term cost savings compared to commercial VPN services. Popular options like OpenVPN, WireGuard, and SoftEther offer strong security and flexibility, while tools like pfSense and Algo VPN simplify deployment. Choosing the right solution depends on technical expertise, scalability needs, and performance requirements. A carefully implemented VPN strengthens network security and supports secure remote work.

Below are six reliable self-hosted VPN server software tools that small businesses can use to build secure, scalable, and affordable networks.


1. OpenVPN

OpenVPN remains one of the most widely used open-source VPN solutions in the world. Known for its flexibility and strong encryption protocols, it is a reliable choice for businesses of all sizes.

Key Features:

  • Open-source and highly configurable
  • Uses SSL/TLS encryption
  • Cross-platform support (Windows, macOS, Linux, iOS, Android)
  • Large community and commercial support options

OpenVPN supports both routed and bridged configurations, giving businesses flexibility in network design. While setup can be technical, its documentation and community support are extensive. For small businesses with IT support, OpenVPN provides a highly secure and customizable foundation.

Best for: Businesses wanting maximum flexibility and enterprise-grade security.


2. WireGuard

WireGuard has gained popularity due to its minimalist design and high performance. With a smaller codebase compared to OpenVPN, it reduces the attack surface and improves auditability.

Key Features:

  • Modern cryptography (ChaCha20, Curve25519)
  • Extremely fast performance
  • Simple configuration files
  • Integrated into the Linux kernel

WireGuard is particularly attractive for small businesses that want speed and simplicity. Its streamlined setup makes it easier to deploy than many traditional VPN solutions, though it lacks some of OpenVPN’s advanced enterprise features.

Best for: Performance-focused environments and teams with limited overhead.


3. SoftEther VPN

SoftEther VPN is a powerful multi-protocol VPN software solution originally developed at the University of Tsukuba. It supports OpenVPN, IPSec, L2TP, and SSTP, making it highly versatile.

  • Multi-protocol support
  • Strong AES 256-bit encryption
  • Firewall traversal capability
  • User-friendly management console

This flexibility allows businesses to connect a variety of devices and legacy systems. SoftEther can also bypass restrictive firewalls, making it suitable for companies with remote employees traveling internationally.

Best for: Businesses needing protocol variety and compatibility.


4. pfSense

pfSense is more than just a VPN solution—it is a full-featured open-source firewall and router platform. However, it includes robust VPN capabilities, including OpenVPN and IPSec support.

Key Features:

  • Comprehensive firewall functionality
  • Web-based management interface
  • Multi-WAN support
  • Advanced traffic monitoring and logging

Small businesses looking for an all-in-one security appliance often choose pfSense. By combining firewall, routing, and VPN features, it consolidates infrastructure and improves network visibility.

Best for: Businesses needing both VPN and firewall in one platform.


5. Algo VPN

Algo VPN is designed to simplify VPN deployment in cloud environments. Created by security professionals, it automatically deploys a WireGuard or IPSec VPN server on providers like AWS, DigitalOcean, or Microsoft Azure.

  • Automated deployment scripts
  • Strong encryption defaults
  • No unnecessary extras
  • Optimized for personal and small team use

Algo removes much of the manual configuration usually required. It is an excellent choice for businesses already using cloud infrastructure and wanting a secure remote access solution without deep networking complexity.

Best for: Cloud-first small businesses with limited IT resources.


6. Streisand VPN

Streisand VPN is an automated VPN deployment tool that sets up multiple VPN services at once. It provides secure instructions for users and supports cloud hosting providers.

  • Supports multiple VPN protocols
  • Automated server hardening
  • Built-in client setup instructions
  • Cloud deployment ready

Though not as actively developed as some alternatives, Streisand remains a strong option for companies wanting quick deployment with comprehensive configuration support.

Best for: Rapid deployment across distributed teams.


Comparison Chart

Tool Ease of Setup Performance Protocol Support Best Use Case
OpenVPN Moderate to Advanced High SSL TLS Custom enterprise networks
WireGuard Easy Very High WireGuard only Speed optimized setups
SoftEther Moderate High Multiple protocols Legacy compatibility
pfSense Moderate High OpenVPN IPSec All in one firewall VPN
Algo VPN Easy High WireGuard IPSec Cloud deployment
Streisand VPN Easy to Moderate Moderate to High Multiple protocols Quick automated setups

Why Small Businesses Should Consider Self-Hosted VPNs

Self-hosted VPN solutions offer several critical advantages:

  • Data Control: Traffic remains under company control rather than passing through third-party infrastructure.
  • Cost Efficiency: No recurring subscription fees per user.
  • Customization: Tailored access rules and security configurations.
  • Scalability: Expand as the business grows.

As remote and hybrid work models become standard, secure internal access is essential. VPNs encrypt data traveling between employee devices and company systems, reducing risks associated with public Wi-Fi and remote access points.


Choosing the Right Solution

When selecting a self-hosted VPN server tool, decision-makers should evaluate:

  • Technical expertise available in-house
  • Number of remote employees
  • On-premise vs cloud infrastructure
  • Compliance requirements
  • Performance expectations

A company with a dedicated IT administrator may prefer OpenVPN or pfSense for customization. Meanwhile, a startup with limited technical bandwidth may opt for Algo VPN or WireGuard.


FAQ

1. Is a self-hosted VPN more secure than a commercial VPN?

A self-hosted VPN can be more secure because the business controls the server, encryption settings, and user access. However, security depends heavily on proper configuration and maintenance.

2. Do small businesses need dedicated hardware for a VPN server?

Not necessarily. VPN servers can run on existing hardware, virtual machines, or cloud platforms. Dedicated hardware may improve performance for larger teams.

3. How much technical skill is required to manage a VPN server?

Some solutions like WireGuard and Algo VPN are relatively simple to deploy, while platforms like OpenVPN and pfSense require more advanced networking knowledge.

4. Can a self-hosted VPN support multiple office locations?

Yes. Many of these tools support site-to-site configurations, securely connecting multiple office branches through encrypted tunnels.

5. What maintenance is required?

Regular security updates, key rotations, user management, and monitoring logs for unusual activity are essential to maintaining a secure environment.

6. Is WireGuard better than OpenVPN?

WireGuard generally offers faster performance and simpler configuration. OpenVPN provides broader configurability and mature enterprise deployment support. The best choice depends on the organization’s needs.


By leveraging one of these six self-hosted VPN server tools, small businesses can strengthen cybersecurity, enable secure remote work, and maintain full control over sensitive data—all while reducing reliance on third-party providers.