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Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

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21–30 of 111 posts

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#22

a week ago I was using cmux but its osx only and doen't work on remote terminals. then I switched to herdr which is great so far except its not s great at managing panes. I can't move them around or change ordering. now another terminal multiplexer. I'm getting whiplash. all that said, none of the existing solutions are perfect and rust codebases are nice. how easy is it to reorder panes? is there a cli that lets me…

no skill file, you get the same 90 commands of tmux. and if you build a rust app you can have many more cool stuff like "wait for" some text to appear, asyncly

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#23
post #7

Hey, I automate tmux all the time with send keys and capture.. how is your project improves vs tmux or zellij?

rmux is much faster than tmux or zellj, I did some internal benchmark and it's promising. rmux is a multiplexer engine, meaning that you can rewrite entirely zellij using rmux.. I created a mini zellij in a few hundred lines of rust. You can check the demoes on the repo

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#24

Can someone describe the pros/cons vs zellij?

You can rewrite Zellij entirely with rmux , that's the main difference. I put a demo on the repo. Because rmux is an engine. I wrote it to be the multiplexer of multiplexers

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#25
post #19
post #7

Hey, I automate tmux all the time with send keys and capture.. how is your project improves vs tmux or zellij?

I don't get it as well, everything mentioned in the readme is already trivially possible with tmux or zellij

windows support + async + public sdk. You can rewrite zellij with rmux, but not the opposite. rmux is a multiplexer engine

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#26
post #3

The website is a little too obviously made by Claude. The first thing I noticed is the classic "pill with pulsing green dot that says something is active or live" claudism.

commonlisp (sbcl) is one of the best sleeper techs out there. one of those if you're in the know type industry secrets. part of it is because their website looks like something out of the 90's. clearly having a nice website and some level of marketing is necessary to get adoption. Im more than happy to see devs use AI to automate that so they have more time to focus on their creations.

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#28
post #3

The website is a little too obviously made by Claude. The first thing I noticed is the classic "pill with pulsing green dot that says something is active or live" claudism.

Not to mention those absolutely horrible scroll animations.

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#29
post #14

a week ago I was using cmux but its osx only and doen't work on remote terminals. then I switched to herdr which is great so far except its not s great at managing panes. I can't move them around or change ordering. now another terminal multiplexer. I'm getting whiplash. all that said, none of the existing solutions are perfect and rust codebases are nice. how easy is it to reorder panes? is there a cli that lets me…

I started using cmux a month ago and it had made my life a lot easier. Finally I have a pane with all my projects open all the time, I can switch between them, have multiple terminals for each one. What do you mean by remote terminals?

my plan is to eventually move my entire workflow to a remote workmachine over ssh. with kernal, I can automate all my smoketests entirely from a headless machine rendering my laptop overkill to run agentic workflows. I'd rather be using it to watch movies, learn new stuff or hand code in my downtime. if your workflow requires cmux, you're stuck running your agents on your local machine.

To be clear, That doesn't make cmux bad. if you WANT to do everythign on your mac, cmux is fantastic. its just not designed with the remote ssh control use case in mind.

Re: Show HN: Rmux – A programmable terminal multiplexer with a Playwright-style SDK

#30

a week ago I was using cmux but its osx only and doen't work on remote terminals. then I switched to herdr which is great so far except its not s great at managing panes. I can't move them around or change ordering. now another terminal multiplexer. I'm getting whiplash. all that said, none of the existing solutions are perfect and rust codebases are nice. how easy is it to reorder panes? is there a cli that lets me…

no skill file, you get the same 90 commands of tmux. and if you build a rust app you can have many more cool stuff like "wait for" some text to appear, asyncly

well it looks great so far but Its a no go for me for now until you have at least a cli that a coding harness can use to drive it. thats going to be the killer feature going forward for all these multiplexers. last week I vibecoded a plugin that lets me open a line specific input box that sends the context of my code along with my prompt into my opencode session running on a seperate pane. its a game changer when it comes to moving faster.

excited to check back in on the progress as you work on it though! I think these kinds of tools are going to be much more relevant going forward as we all move to agentic workflows.

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