Petal, open-source CoScreen/ScreenHero finally free
Low latency, high resolution screensharing and remote control. Free and open source, from the makers of CoScreen.
Petal, open-source CoScreen/ScreenHero finally free launched on October 14, 2026 with 227 votes, #28 of 3,079 launches that month and more than 99% of that year's launches.
In plain words
Petal is an open-source screen sharing and remote control tool designed for pair programming and collaborative development. Created by the makers of CoScreen, it displays shared windows as native desktop windows rather than grid tiles, with labeled user cursors and instant remote input capability. Users can create named rooms and join with a single click, integrating with LiveKit video for seamless communication.
written from the facts on this page · October 2026
From the sources
Shared windows appear as windows on your desktop. Movable, resizable, sharp, not tiles in a grid. Labeled user cursors on all shared windows. Instant remote mouse and keyboard input. Create rooms like eng-sync. Click once and you're in — no links to send, nothing to schedule. Download and join your meeting on our LiveKit videofrom petal.live
Pricing, as stated on its site
Free — Petal is a free and open-source screensharing and remote control tool. No pricing information found; the product is presented as free software available for download.
checked October 2026 · prices change
Does a similar job
all alternatives →
Coscreen.co – a radically different remote collaboration tool2019 · coscreen.co · ▲404Bring your team closer to you. One click to share and remote control any window. Get things done together like never before.
- MDMulti-display screen sharing with CoScreen2023 · blog.coscreen.co · ▲350
Good to be back on HN with all-new CoScreen, a little more than 3 years after it launched over here! With CoScreen 5.0, you can now share your windows from multiple displays at the same time, a long standing request by our most avid users and impossible in other apps. It also has a lightning-fast, Rust-based window compositing, scaling, and streaming engine now. CoScreen was always meant to be different so that you and your team can share your screens simultaneously and multi-directionally, and to be able to control what is being shared. We saw it as a natural extension and closely coupled…
Screen – screen sharing for remote work, by the cofounder of Screenhero2020 · screen.so · ▲406Work together like you’re in the same room. Supports Mac, Windows, Linux, iOS, Android, Safari, Firefox & Chrome.
Screen Studio 3.02025 · screen.studio · ▲1,832Beautiful screen recordings with instant shareable links
More dev tools this month
the category →
open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.
Dev tools · 26d ago · github.com
Contribute to reladraw/reladraw development by creating an account on GitHub.
Dev tools · 24d ago · github.com
OpenBot▲362Grok Bot alternative: free, local, open-source, multiplayer
Dev tools · 22d ago · openbot.run
Talanoa▲337Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…
Dev tools · 19d ago · talanoa.email
CoreSpeed▲332One MCP for everything your agents need: apps, memory, tools
Dev tools · 27d ago · corespeed.io
Launched alongside, October 2026
the whole month →- IV
Life & fun · 13d ago · tanzaniaeducationproject.org
Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 14d ago · bigwords.page
A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 10h ago · permit.petercai.com
Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 7d ago · guitoro.com
