Show HN: Petal, open-source CoScreen/ScreenHero finally free
Open Source
Pair Programming#
Low latency, high resolution screensharing and remote control
Download for Mac Download for Windows View source
free (Linux support coming next)
Real windows#
Shared windows appear as windows on your desktop. Movable, resizable, sharp, not tiles in a grid.
Interactive#
Labeled user cursors on all shared windows. Instant remote mouse and keyboard input.
Simultaneous#
Several users can share their windows at the same time.
Persistent#
Create rooms like eng-sync. Click once and you're in — no links to send, nothing to schedule.
Run Petal#
Only the video backend changes.
quick
Petal Cloud#
Download and join your meeting on our LiveKit video infrastructure.
Setup Install the desktop app and join. Zero config.
You run (nothing)
Best for Most teams
Self-host#
The same app, pointed at a LiveKit server you run.
Setup One docker-compose, set the server URL.
You run The media server — traffic stays yours
Best for Compliance & data control
Fork & build#
Full control. Change the app, bring your own stack.
Setup Fork, build, ship your own.
You run Everything
Best for Deep customization