Æthernet
Æthernet is an IoT backend with no certs, no signups, no AWS. Free tier. Run a one-click example right under your desk.
Æthernet eliminates certificate management entirely. Secure messaging is built-in — no TLS handshakes, no key rotation, no provisioning workflows.
Nothing to register, nothing to configure. The backend is managed via a CLI that runs directly — just download and execute. No installation needed.
Run your logic under the desk, behind NAT, without managing servers or exposing ports. Your backend code stays local — no lock-in, no forced cloud storage.
Equivalent to 4 million messages/month or 20 devices — or any point in between. Plus, a 20× welcome bonus to give you room to explore.
The example command is copied to your clipboard when you arrive. Paste it into your terminal to connect — no setup, no cloud config, no boilerplate.
Designed to bypass global routing failures and maintain minimal delay over poor connections or intermittent links.
Official clients are available for Java, Node.js, and C++. Choose the language that fits your project.
As you scale beyond the free tier, you’re only billed for actual usage — no plans, tiers, or subscriptions.
Manage IoT
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Connectivity
Due to the unique architecture and protocol Æthernet provides a level of connectivity, unreachable before, especially for real-time applications even when something went wrong with the internet connection on the client or Æthernet side or in the middle. Connectivity means not just an ability to connect but also a message delivery latency, not losing the data
Client-side problems
- High rate of packet loss / high jitter, a multi-handshake protocol not able even to make a connection
- High price of cellular data
- Firewalls and corporate networks
- Restriction of using some protocols / ports / IP-destinations
- Deep packet inspection
- Limited bandwidth - satellite connection
- Large delays for satellite or VPN connections
If a client’s application server uses microservice architecture then a malfunctioning of a single microservice allows the rest of the infrastructure to serve clients including new registrations. Æthernet is able to handle some client-side functionality even with no client’s application server.
Server side problems
If a server replies slowly or unreachable then the client redirects requests to another server immediately. Æthernet servers deal with:
- Flood / reply / registration attacks
- DoS and DDoS attacks
- Protocol tempering
- IP addresses blocking / restricting
- Client’s de-anonymisation
- Server overloading / malfunction / data center problems
- Global internet connection outages