Managed Nebula Networks

Your network, everywhere

Screenshot of Defined Networking admin panel showing a role being edited, with a firewall rule modal hovering above and some playful squiggles connecting it to the page underneath

Fast, secure overlay networking with unlimited scalability. Up to 100 hosts free, no credit card required.

Get started

Screenshot of Defined Networking admin panel showing a role being edited, with a firewall rule modal hovering above and some playful squiggles connecting it to the page underneath

Proven technology, deployed at scale

Our technology powers production networks accessed by millions of users

Mesh VPN architecture

Traditional VPNs come with availability and performance bottlenecks. Our solution is decentralized: encrypted tunnels are created per-host and on-demand as needed.

Runs everywhere

Defined Networking provides a lightweight service that’s easy to install on Linux, Windows, macOS, Android, and iOS. It runs on a wide variety of hardware including x86, arm, mips, and ppc.

Trusted and stable

Innovative companies with high expectations of availability and reliability run their networks with our technology. It was developed at Slack and has been battle-tested with years of R&D and deployment at scale.

Secure and encrypted

Defined Networking was designed to be secure from the ground up

  • Core crypto provided by the Noise Protocol Framework
  • Firewall can filter by hosts and security groups
  • Includes a Certificate Authority to sign host certs
  • Architecture and source code audited by third-party

Simple to use

Our simple interface lets you focus on running your business

  • Managed certificate authorities
  • Automatic configuration updates and distribution
  • Simple host management
  • Complete audit logging

Fast without sacrifice

Handles heavy usage while maintaining speed, security and reliability

  • Finds the fastest route between hosts automatically
  • Takes advantage of AES-NI on supported CPUs
  • Runs near network line speed on most hosts
  • Can easily run thousands of tunnels on a single host

Your network everywhere

Fast, secure overlay networking with unlimited scalability. Up to 100 hosts free, no credit card required.

Get started