We needed a Kubernetes UI. So we built one in the open.
Radar is the open-source K8s UI from the platform team at Skyhook. Apache 2.0, runs from a single binary. Radar Cloud sits on top for fleet, retention, alerts, and SSO.
Radar started as a Slack channel called #why-cant-we-see-this.
Skyhook is a Kubernetes platform. Building one means running clusters - lots of them, on every cloud, for every customer. And running clusters means debugging them at 2am, on call, alone.
We tried every K8s UI on the market and bounced off all of them. Desktop apps that needed kubeconfigs. CLIs that showed one cluster at a time. SaaS that gated SSO behind Enterprise and wouldn't quote a price without a demo. So we built our own. Apache 2.0, on GitHub: github.com/skyhook-io/radar.
The response told us we weren't alone. 1.8k+ stars in months. PRs from engineers we'd never met. Slack DMs saying “this replaced three tools.” Also: “how do I share with my team?” “Can I see all my clusters at once?” “I need events to persist for our audit.”
So we kept building. The same binary runs three ways now - your laptop, your cluster (OIDC + RBAC), or pointed at Radar Cloud once the team needs the fleet view, persistent retention, and routed alerts.
Why Radar has its own brand but shares a team.
People ask this all the time. Here's the honest explanation.
Skyhook is the parent company and the flagship product - a Kubernetes deployment platform that makes shipping to production as simple as a PaaS, without the lock-in.
Radar came out of Skyhook's own platform work. We couldn't build a deployment platform without a visibility layer underneath, so we built both.
Visit skyhook.ioRadar is its own product, its own brand, and its own buying decision. Platform teams can adopt it without taking a position on the whole Skyhook platform.
It shares a team, a company, an investor base, and a Slack with Skyhook. It doesn't share a codebase, a deployment, or a sign-up funnel. The two sit next to each other and don't depend on each other.
Explore the productShort version: Skyhook is the company. Radar is the open-source project. Radar Cloud is the hosted version for teams - fleet view, retention, alerts, SSO. Same team, same Kubernetes obsession.
Built by engineers who've been on the other end of the pager.
Same team behind Skyhook. Same obsession with making Kubernetes feel less like a hostile operating environment.
Nadav Erell
CEO
Spent a decade at Google on GKE and cloud infra. Co-founded Skyhook to make Kubernetes feel less hostile for small teams - which surfaced the visibility problem that became Radar.
LinkedIn
Eyal Dulberg
CTO
Former Chief Architect at OneZero and eToro with deep experience running high-availability Kubernetes platforms serving millions of fintech users. Designed Radar's engine to be what he wished he'd had at 2am during a dozen production incidents. Now writing the open-source code he'd want to inherit.
LinkedIn
Roy Libman
CPO
Former Product Lead at Armis and Head of Product Growth at eToro. Seven years building platforms at scale with a software-engineer's instinct for developer tools. Runs product for Radar - keeping the OSS dev-first and Radar Cloud team-first.
LinkedInFour principles that shape what we ship - and what we don't.
Open-core by conviction
Radar stays Apache 2.0. Not a tease, not a throttled preview. The binary you fork on GitHub is the binary Radar Cloud runs. Four specific commitments are written down on our Open Source page - the kind that are hard to walk back quietly.
Transparency over lock-in
Published pricing, no custom quotes until Enterprise. Honest competitor comparisons (including where they win). Public roadmap. Source code you can read. If we've hidden something important, call us out at radar@skyhook.io and we'll fix the page.
Visibility is a team sport
The moment a tool saves five minutes of kubectl roulette, twenty people want to use it. We refuse to punish that with per-seat pricing. Radar charges per cluster so the whole team gets in - dev, SRE, manager, intern. Value scales with the infrastructure, not the headcount.
Ship in public
We cut a release every week and write up what changed. We host monthly office hours. GitHub issues get a first-pass response within 48 hours. The whole point of open source is that you can tell whether we're actually working - so we try to make that easy to check.
There are several ways in.
We're hiring
Platform engineers, infra SWEs, and a designer who has opinions. Radar roles are listed alongside Skyhook's.
View open rolesHang out in the community
Slack, GitHub Discussions, monthly office hours. The fastest way to talk to a maintainer.
Community hubJust say hi
Questions, feedback, war stories, product requests - radar@skyhook.io reaches one of the three of us directly.
radar@skyhook.ioSpin up Radar on a cluster. See if we built what you needed.
Apache 2.0 OSS or hosted free for 3 clusters. Install in 60 seconds. If it's not for you, uninstall is a single kubectl command.
Apache 2.0 OSS · Unlimited clusters self-hosted · Hosted free tier for up to 3 clusters