Submit
Ad
Learn more

Open Source Networking & Connectivity Tools

A curated collection of the best open source tools for managing networks, connectivity, and secure access..

See also:WebSockets ServersVPN & Secure Access

Tailscale

Zero-config VPN with WireGuard for secure networking

  • Stars

    Stars growing over the last 30 days38,534

  • Last commit

    10 hours ago

  • License

    BSD-3-Clause
Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

Open Source Alternative to:

Zerotier

Netbird

Zero Trust networking with WireGuard-based secure connectivity

  • Stars

    30,565

  • Last commit

    11 hours ago

  • License

    Unknown
Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.

Open Source Alternative to:

Zerotier

Pangolin

Zero trust network access that's better than VPN

  • Stars

    23,299

  • Last commit

    10 hours ago

  • License

    AGPL-3.0
Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.

Open Source Alternative to:

Zerotier

OpenVPN

Zero Trust VPN solutions for secure business networking

  • Stars

    14,763

  • Last commit

    10 hours ago

  • License

    Unknown
Secure remote access VPN solutions with zero trust network access. Self-hosted and cloud-managed options for businesses of all sizes. Trusted by 20,000+ organizations.

Open Source Alternative to:

Teleport

FireZone

Fast, flexible VPN replacement with zero-trust security

  • Stars

    9,158

  • Last commit

    10 hours ago

  • License

    Apache-2.0
Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

Open Source Alternative to:

Zerotier

Soketi

Next-gen WebSockets server for real-time apps

  • Stars

    5,633

  • Last commit

    2 years ago

  • License

    AGPL-3.0
Open-source, Pusher-compatible WebSockets server that's simple, fast, and resilient for building real-time applications.

Open Source Alternative to:

Firebase

Defguard

Zero-Trust VPN with built-in 2FA/MFA and SSO capabilities

  • Stars

    2,894

  • Last commit

    16 hours ago

  • License

    Unknown
Enterprise-grade open source VPN solution combining WireGuard with mandatory 2FA/MFA and integrated OpenID Connect SSO for secure remote access

Open Source Alternative to:

NordVPN

WireGuard

Fast, minimal VPN built on modern cryptography

  • Stars

    735

  • Last commit

    6 months ago

  • License

    GPL-2.0
VPN protocol that runs inside the Linux kernel, using public-key cryptography to create encrypted tunnels across UDP with minimal configuration.

Open Source Alternative to:

NordVPN

SAMA

Secure, scalable chat server for modern applications

  • Stars

    161

  • Last commit

    29 days ago

  • License

    GPL-3.0
Open source chat server with end-to-end encryption, clustering support, and comprehensive messaging features for building real-time communication apps

Open Source Alternative to:

Discord
Ad