L•TOP
M•TOP
C•TOP
SYSTEM OBSERVATORYAlways useful screensavers.  Never flying toasters.

A new view of your Mac

Always useful screensavers.
Never flying toasters.

Turn every idle display into a living window on your Mac—from classic terminal telemetry to an entirely new spatial experience.

Explore the observatory Designed for macOS • Multi-display first
C•TOP CLASSIC

CPU  [||||||||  ] 72%

MEM  [|||||     ] 48%

NET  ↓ 42.8 MB/s

▁▂▃▂▄▆▅▇▆▄▅▇
M•TOP MODERN   LIVE
CPU HISTORY
MEMORY68%
NETWORK42.8
APPLICATIONS

System Observatory   12.4%

L•TOP LIVING
M
CPU
27%
MEMORY
68%

Concept visualization • Final appearance may evolve

Three ways to observe

From familiar.
To extraordinary.

One observatory. Three distinct perspectives on the system you use every day.

01
CPU  [||||||||  ] 72%
MEM  [|||||     ] 48%
NET  ↓ 42.8 MB/s
Classic

C•TOP

Authentic BTOP, alive on your desktop. The terminal system monitor you recognize, presented as a purposeful idle display.

In active development
02
Modern

M•TOP

Familiar telemetry, remastered for the Mac with native typography, dimensional panels, and fluid Metal-rendered graphs.

In active development
03
M
Living

L•TOP

System data becomes a spatial environment—an original, ambient observatory designed to reward a longer look.

On the horizon

Built with purpose

Your Mac is already doing interesting things.

System Observatory makes them visible without turning your screens into distractions.

01

Useful by default

Every screen earns its light with live, understandable system information.

02

Private by design

Your system stays yours, with clear controls for what appears on each display.

03

Made for display walls

Different modules and views can give every connected display a distinct role.

04

Truthful telemetry

Real measurements, clear unavailable states, and no decorative invented data.

The observatory is taking shape

Your idle screens
deserve a better view.

System Observatory is currently in development for macOS.

Coming Fall 2026

Coming to theMac App Store
Development in progress