We build the layers between the player and the world.

Vertalt is an independent software studio building the edge, runtime, detection, and control systems behind live multiplayer networks.

Independent studio · edge / runtime / detection / control

VERTALT / SYSTEM STACK 04 layers
Edge layerFree Trial · Premium

Leviathan

A proxy fork that filters, verifies, and observes connections inside the Netty pipeline — before they reach your world.

Open Leviathan
Adjacent systems
BungeeCordVelocityPaperFoliaSourbyCraftMinecraft 26.2Java 25Docker

Four layers. One operating model.

Different products, one question: what should happen when the network is under pressure and the control plane is far away?

Leviathan

The anti-bot edge for Minecraft proxies.

/01Edge layer

A proxy fork that filters, verifies, and observes connections inside the Netty pipeline — before they reach your world.

BungeeCordVelocityFree Trial · Premium
Explore Leviathan
System mapFree Trial · Premium
Ingress
Connections
Handshake
LEVIATHAN / NETTY
01 Throttle
02 FrameGuard
03 Verification
04 Reputation
fail-open protection
Backends
Lobby
Game server

SourbyCraft

A Minecraft runtime with its own execution model.

/02Runtime layer

A Paper fork built around Aurora: region-threaded ticking, first-party operator tooling, and a native path for server-side mods.

PaperMinecraft 26.2Java 25Active development · Signed builds
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System mapActive development · Signed builds
REGION Atick thread
REGION Btick thread
REGION Ctick thread
REGION Dtick thread
AURORAEDF scheduler
Paper upstreamSourbyModssourbyapi/perf · /aurora

Anticheat

Detection that keeps working when the cloud is gone.

/03Detection layer

A hybrid Minecraft anticheat: local checks on the server, cloud intelligence and review in the panel, and an AI operator with bounded actions.

PaperFoliaSourbyCraftPrivate deployments
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System mapPrivate deployments
On server
Agent / plugin
Local checks
Evidence buffer
CLOUD ENGINE
01 Check DSL
02 Models
03 Fusion
04 Review
local keeps running
Operator
Panel
AI guardrails
Audit / RBAC

Spiky

A license is a signed verdict, not a row in a database.

/04Control layer

A license control plane for software on machines you do not own: activation, signed validation, plugin entitlements, fleet visibility, and remote kill switches.

Next.jsPostgreSQLMongoDBLive
Explore Spiky
System mapLive
Client
LICENSESPKY-••••-••••-••••-••••fingerprint + server id
SIGNEDallowRuntime
Ed25519 payloadnonce replay guardplugin entitlements
Control plane
Fleet
Kill switches
Audit

The rules do not change with the load.

We build infrastructure for the worst minute, not the demo. These are the constraints we keep when a feature is tempting.

/01

Local first.

Detection and protection should not become unavailable because a control plane is having a bad day. Cloud is an advantage, not a single point of failure.

/02

Respect the host.

A proxy should not need root to defend itself. Runtime work belongs in the process that already owns the traffic, not in host firewall rules and package managers.

/03

Evidence over adjectives.

We publish what the system does, how it is gated, and what is still unqualified. Performance claims and accuracy claims need a named workload behind them.

/04

Control needs a signature.

A remote decision should be verifiable at the edge. Licensing, configuration, and kill switches are only useful if the client can prove who said what.

Small surface area. Deep systems.

Vertalt is an independent software studio focused on the parts of live multiplayer that are hardest to see: the edge that admits a connection, the runtime that owns the tick, the detector that separates signal from noise, and the control plane that can still say no.

We prefer local-first behavior, signed control, and release claims that can survive an evidence run. The products are built for operators who read logs and know what their network looks like at 3 a.m.

Read about the studio

Bring us the layer that cannot fail.

A brief is enough to start: the network, the failure mode, and the system you are trying to change. We will route it to the right conversation.

Start a briefNo deck required · technical first