Now available on macOS — Download free

The modern chat app
for focused teams

End-to-end encrypted channels, threaded conversations, and zero-distraction focus modes — built natively for macOS.

Download for macOS See how it works

Free forever · No credit card · macOS 13+

Trusted by teams at

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Features

Everything your team needs.
Nothing you don't.

Built for teams that care about focus, privacy, and actually getting things done.

End-to-End Encryption

AES-256 encryption on every message. Your conversations stay yours — we can't read them.

Channels & Threads

Organized channels with threaded replies. Keep context without losing momentum.

File & Media Sharing

Drop any file type — images, docs, code. Previews inline, search always finds them.

Focus Profiles

Mute channels, snooze DMs, enter deep work mode. Notifications on your terms.

Apple Silicon Native

Compiled for M-series chips. Instant launch, zero battery drain, buttery smooth scrolling.

Cross-Device Sync

Pick up exactly where you left off across Mac, iPhone, and iPad. State is instant.

<100ms
Message delivery
AES-256
Encryption standard
99.99%
Uptime SLA
0 ms
Cold start time

Wall of love

Teams that switched
never looked back

"We cut our Slack noise by 80% on day one. The focus profiles are a game changer for async work."

Maya Chen
Head of Product, Relay

"Encryption was the dealbreaker for us. Knowing our client conversations are truly private is invaluable."

Tom Reeves
CTO, Archform

"Finally a chat app that respects macOS. Native feel, no Electron jank, and the performance is absurd."

Priya Nair
Eng Lead, Mosaic

Pricing

Simple, honest pricing

No per-seat traps. Pay for the workspace, not the headcount.

Free
$0
Forever free · up to 5 members
  • 10 channels
  • 1 GB file storage
  • E2E encryption
Get started free
Most popular
Pro
$12/mo
Up to 25 members
  • Unlimited channels
  • 50 GB storage
  • Focus profiles + analytics
  • Priority support
Start free trial
Enterprise
Custom
Unlimited members + SSO
  • SSO / SAML 2.0
  • Audit logs + compliance
  • Dedicated success manager
Talk to sales

Your team deserves
better than Slack

Download Nebula free and see the difference in five minutes.

Download for macOS

macOS 13 Ventura or later · Apple Silicon & Intel