Run your CTF
like a pro

Havel is a modern CTF management platform. Create events, build multi-format challenges, and let participants compete in real-time — all from one intuitive interface.

Features

Everything you need to run a CTF

From challenge creation to live competition — Havel handles it all.

Multi-format Challenges

Q&A, container-based, VM, and network challenges — all in one platform.

Built-in Infrastructure

Link containers and VMs to your Proxmox servers with our SDK.

Teams & Solo Play

Flexible event modes — team-based competitions or individual challenges.

Live Scoreboard

Real-time rankings, submission tracking, and team analytics.

Secure by Design

Isolated networks, VPN access, and role-based permissions at every level.

Organizer Dashboard

Full event control — manage challenges, teams, users, and notifications.

Roles

Built for every user

Four distinct roles, each with dedicated tools and interfaces.

Participant

Solve challenges, submit flags, earn points, and climb the scoreboard.

Submit flagsLaunch containersDownload filesVPN accessJoin teams
Join as Participant

Team Leader

Lead your team, monitor progress, and coordinate your strategy.

Create teamsMonitor statsTrack membersView progressTeam analytics
Start a Team

Event Admin

Create events, manage challenges, and oversee your CTF competition.

Create eventsManage challengesSend notificationsManage teamsView analytics
Organize Events

How it works

Up and running in minutes

01

Create your event

Set up a CTF in minutes — name it, configure teams, and set a password.

02

Build challenges

Add Q&A, container, VM, or network challenges with flexible scoring.

03

Invite players

Share join codes or links — public or private, your choice.

04

Compete live

Watch the scoreboard update in real-time as players submit flags.

Ready to host your CTF?

Set up your first event in minutes. No infrastructure headaches, just pure competition.