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SoftEther VPN

softether.org

Free plan WindowsmacOSLinuxiOSAndroidAPI
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Spec score 8.3 #35 of 94 in Business VPN Software

Spec sheet

Product
SoftEther VPN is open-source, cross-platform, multiprotocol VPN software distributed under the Apache License 2.0.Read 9 Oct 2026 · softether.org
Platforms
The download page lists Windows, Linux, Mac OS X, FreeBSD, and Solaris; the project also describes built-in L2TP client compatibility for iOS and Android.Read 9 Oct 2026 · softether.org
Free plan
YesRead 22 Sep 2026 · softether.org
API
The project says its JSON-RPC API suite can be used to build VPN Server management applications.Read 9 Oct 2026 · softether.org
Security
The project lists AES 256-bit and RSA 4096-bit encryption, security logging, and firewall features.Read 9 Oct 2026 · softether.org
Support
Users can ask questions on the official forum, where project members say they will respond; posting requires registration and login.Read 9 Oct 2026 · softether.org
Headquarters
University of Tsukuba, Tsukuba, Ibaraki, JapanRead 28 Sep 2026 · softether.org
Founded
2013Read 28 Sep 2026 · softether.org
Access model
hybridRead 22 Sep 2026 · softether.org
Admin control level
advancedRead 22 Sep 2026 · softether.org
Audit logs
YesRead 22 Sep 2026 · softether.org
Authentication
Listed authentication options include RADIUS, NT Domain or Active Directory, and RSA certificate authentication.Read 9 Oct 2026 · softether.org
Firewall traversal
Its VPN over HTTPS and built-in NAT traversal are designed to allow connections through NATs and firewalls.Read 9 Oct 2026 · softether.org
Limits
The specification lists a maximum of 4,096 concurrent VPN sessions and 4,096 virtual hubs per server.Read 9 Oct 2026 · softether.org
Management
Server management options include a Windows GUI manager and the vpncmd command-line utility.Read 9 Oct 2026 · softether.org
Project and origin
The project is based at the University of Tsukuba in Japan, and the current SoftEther VPN version originated as Daiyuu Nobori's master's research.Read 9 Oct 2026 · softether.org
Protocols
The server supports SoftEther VPN, OpenVPN, L2TP/IPsec, MS-SSTP, L2TPv3/IPsec, and EtherIP/IPsec.Read 9 Oct 2026 · softether.org
Site-to-site networking
YesRead 22 Sep 2026 · softether.org
Supported platforms
Windows,Linux,macOS,FreeBSD,Solaris,iOS and AndroidRead 22 Sep 2026 · softether.org
Use cases
It supports remote-access and site-to-site VPNs using Ethernet bridging or IP routing.Read 9 Oct 2026 · softether.org

Plans and prices

SoftEther VPN Free Open-source VPN software · server supports up to 4,096 concurrent sessions and 4,096 virtual hubs Read 9 Oct 2026 · softether.org

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