strongSwan
strongswan.orgOpen-source, modular and portable IPsec-based VPN solution
Securityvpnipsecopen-sourcenetworkinglinuxcryptographyikev2

About
strongSwan is an open-source IPsec-based VPN solution that implements the IKEv2 and IKEv1 key exchange protocols for securing IP traffic across a wide range of platforms. It supports complex VPN scenarios with features like EAP authentication, X.509 certificates, post-quantum key exchanges, and a modular plugin system. The project runs on Linux, Android, FreeBSD, macOS, iOS, and Windows.
Problem
Organizations and individuals need a reliable, standards-compliant, cross-platform VPN solution for securing IP traffic.
For
network administrators and developers needing cross-platform IPsec VPN solutions
How it works
strongSwan implements IKEv2/IKEv1 protocols with a modular plugin architecture to establish and manage IPsec tunnels, supporting a wide range of authentication methods, cryptographic algorithms, and network configurations.
Business model
open-source
Status
launched