Title: Good to be back on HN with all-new CoScreen, a little more than 3 years after it launched over here!<p>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.<p>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 with your OS — instant, fast, and seamless. A better way to pair program, debug tough incidents, or jam on great ideas by sharing multi-modal information like code, commands, graphs, or logs.<p>All that made a lot of sense conceptually but to be frank, it was hard to get it right. Now a part of Datadog and with major parts of our app rewritten in Rust, we feel we’re closer than ever.<p>Here’s what pair programmers liked about CoScreen, so we made it even better:
- High definition code sharing: Windows are video-streamed in real-time at their native resolution whenever possible. You never have to search for your IDE anymore or be anxious to share the wrong window. 
- Multi-directional collaboration: You can share, while Alice shares, while Bob shares. Side-by-side, across multiple displays. With built-in crisp audio and video chat.
- 60FPS+ super smooth mouse pointers. Type, click, and draw on any shared window as if it was your own.<p>What some of you did NOT like, so we fixed it in CoScreen V5:
- CPU utilization and latency have been reduced drastically as various parts of our desktop client are now implemented in Rust, building on crates such as cxx, rust-skia, iced, as well as Neon for our native remote control plugins.
- No more accidental clicking into remote windows through the new remote window toggles.
- You’re no longer bound by your displays, can share windows from multiple of them at the same time and even move them across displays while sharing without stopping.
- You’ll also soon be able to join meetings from your browser from any platform.<p>CoScreen runs on macOS (x64 and Apple Silicon), Windows, soon also on the web and is currently free. We’re planning to charge for larger teams and enterprise features in the future. Hopefully - finally - we’ll also have a Linux version one day. Tell us if you need it urgently and if you have any other requirements!
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