It really is quite an amazing piece of software. I just wrapped it in a useful GUI and a bundle/package CLI and it just works. Even on Windows. Kudos to the Ghostty developers.
This was written for my own screenwriting software, which is now in private alpha. It works quite nicely for an alpha
You mention that Android/IOS support is possible. I hope that you can please add these support properly as your project matures.
Asking this because I would love to have a cli tool where I can just point to for example golang codebase from any device (mac/windows/linux) etc. and thanks to golang's cross compilation simplicity, have it be compiled for android (well linux arm fwiw) and then have it all be compiled into a single android apk.
And if you do that, I would love to have something like zenity but for android so as to abstract the cli behind a nice gui for mass-adoption.
This is almost a million dollar problem as there are so many good cli tools and its incredibly easy and versatile to make a gui even with scripts on top of that cli but Android/Ios usually don't have that versatility.
https://github.com/danneu/danterm
I basically just wanted vertical tabs and notifications for when AI agents (claude code, codex) are finished.
I already use it as my main terminal over iTerm.
It's a fun project since I use my terminal all day, so I always have ideas for how something could be improved or polished. AI can do the chore work of figuring out how to impl some bugfix or UX polish, and I manage the last 10%.
This would have been too much work to maintain for fun before LLMs.
afplay /System/Library/Sounds/Glass.aiff
osascript -e 'display notification "Waiting..." with title "Coding Agent"
#!/usr/bin/env bash
MSG=$(cat | jq -r '.last_assistant_message // empty' | head -c 200)
printf '\e]777;notify;Claude Code;%s\a' "${MSG:-Claude finished responding}" > /dev/tty
Something I never figured out is why Claude Code's "Notification" hook waits minutes to fire. I had to use the "Stop" hook for actual end-of-response timing.
Yeah mine has the same issue - it just brings up the script editor. It's not as much of an issue for me since I'm rarely running more than a single Opencode instance at a time.
Could definitely see that being useful if you were running quite a few agents to let you hone in on the correct terminal window/tab quickly though.
Often one is polishing a plan file for the next feature/bugfix (claude), and the other is reviewing it to give feedback (codex). And that is my life now. But on the upside, it's trivial to maintain sideprojects now.
If embedded Ghostty owns it, now i have to have some kind of workaround to instrument what's happening inside the terminal - signals, stdout/stderr events, return code etc.
If my parent agent-manager app owns it, now i don't have the nice clean small interface to ghostty (i'm a fan of John Ousterhout style narrow but deep interfaces, pulling complexity down rather than pushing up to parent).
Not sure if any other ghostty embedders might have advice. It's on my todo list to task a an agent to "gh repo clone" a few ghostty using shells and report on their arch.
terminal multiplexer
term mux
tmux
I got to about line 5 and realized: I’ve never seen quite that technique for embedding a font via an autogenerated header before. I’m more used to Windows resources; this seems to generate a byte array in CMake code. I’m somewhere between horrified and impressed, in that I feel we’ve finally discovered a cross platform binary resource embedding solution.
I ran it against a 1x1 pixel GIF:
cmake -DINPUT=pixel.gif -DOUTPUT=pixel.h -DARRAY_NAME=pixel_gif -P bin2header.cmake
// Auto-generated from /private/tmp/exp/pixel.gif — do not edit.
static const unsigned char pixel_gif[] = {
0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x01, 0x00, 0x01, 0x00, 0x80, 0x00,
0x00, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x00,
0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x44, 0x01, 0x00, 0x3b
};https://cmake.org/cmake/help/v4.3/manual/cmake.1.html#cmdopt...
...it will probably take a decade or two until Debian-based Linux distros will get cmake 4.3 though ;)
These can be used in the application through external declarations; and you include the object file in the linking step, like any other object file.
I used this technique for awhile, but it was too problematic for my use case. Now, I use https://github.com/lief-project/LIEF -- among other things, this project can modify Windows PE, macOS Mach-O, and Linux ELF binaries to add resources to them, then offers an API to read them back later. It's a little different for each format, but it's capable of doing all three and I was able to build a cross-platform resource-bundling system that doesn't care how big the resources are.
Xxd = function(name, input)
if not name:find'^[_%a][_%w]*$' then error('bad name: '..tostring(name)) end
local ans = {
'const unsigned int '..name..'_len = '..(#input)..';',
'const unsigned char '..name..'[] = {',
}
local t = {}
for i=1,#input do
table.insert(t, ('0x%02x,'):format(input:byte(i)))
if #t == 16 then -- 16 columns per row. arbitrary, change this if you want
table.insert(ans, table.concat(t))
t = {}
end
end
if #t ~= 0 then
table.insert(ans, table.concat(t))
end
table.insert(ans, '};\n')
return table.concat(ans, '\n')
end
Honestly that's a terrible joke. Seriously it's MIT. Here I will put the full license in this comment to illustrate how serious I am:
Copyright 2026 rweichler
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Yes, you'd want to gitignore it and exclude it from search etc. but you still have size issues etc. See gucci-on-fleek's comment on objcopy above for usage.
$ echo 'Hello, world!' > hello-world.txt
$ objcopy --input-target=binary --output-target=elf64-x86-64 \
hello-world.txt hello-world.o
$ cat <<EOF > embed.c
#include <stdint.h>
#include <stdio.h>
#define EMBED(NAME) \
extern const uint8_t _binary_##NAME##_start[]; \
extern const uint8_t _binary_##NAME##_size[];
#define DATA(NAME) _binary_##NAME##_start
#define SIZE(NAME) (size_t)_binary_##NAME##_size
int main() {
EMBED(hello_world_txt);
printf("%.*s", (int)SIZE(hello_world_txt), DATA(hello_world_txt));
}
EOF
$ gcc hello-world.o embed.c -o hello-world
$ ./hello-world
Hello, world!A really neat sample. Shows the power of the ghosttty library very well. The author chose well with their other libraries, it’s the kind of demo that lets the code actually demo what to trying to without much else getting in the way. Rather inspirational to wrote my own terminal app now.
$ echo 'test' | xxd -i -n foo
unsigned char foo[] = {
0x74, 0x65, 0x73, 0x74, 0x0a
};
unsigned int foo_len = 5;
Maybe I'm misunderstanding your comment about having "finally discovered" that...
For to me embedding binary resources in source files is nothing new at all? It was definitely done in the early JavaScript days for a variety of reasons.
Arguably early basic listings that had lots of DATA text lines were already doing that. Maybe not the most portable but we're talking about the 70s and 80s here and definitely binary data in source code.
Games for the Atari ST and Amiga, for example, could partially share at least some of their source code and it wasn't uncommon to encode binary inside sources, including... Fonts! Back then fonts were not reused from one game to another.
Heck, I've done in Java (and Java is cross platform) in the past: quick visual debug tools for Java GUI apps to toggle a debug mode showing something not dissimilar to a HUD. Pixel-perfect fonts encoded in .java source files.
I really don't think it's anything new.
P.S: I'm pretty sure it's done like for some fonts in the Linux kernel too.
It's now my #1 heuristic to know if the team is on the right track.
(I need to start adding them to all my projects.)
Standard "Zoom" features in tmux or iTerm2 only maximize the single active pane to the full window, hiding everything else. If I have a layout like this:
_____________________
| | B |
| A |---------|
| | C |
|_________|_________|
Maybe this could be done arbitrarily deep?
The hard part is the UX: making it clear that we're in a zoom state (esp with nested zooms), somehow showing the split-pane tree so that user knows what container will be filled when they zoom, etc.
Fork ghostty and get claude to one-shot it so you can see if you like the idea.
https://github.com/cyrus-and/zoom
I guess it's also the kind of thing where screen real-estate is a must otherwise when you're at the "top-level" it would look weird-ish.
When I use zellij, i just move A to a new tab temporarily
SecureCRT is awesome but it’s crazy expensive :(
I don't need my terminal emulator to support tabs, windows, or session management. My WM manages tabs and windows, and I use tmux for sessions, which also gives me a scrollback buffer, selection, clipboard, search, etc. This combination allows me to use any simple terminal emulator, such as urxvt, st, and now foot, without issues.
Ghostty didn't appeal to me, but I might give this a try. It's good that OSC support is planned. A plugin-like system, similar to st's but less cumbersome, would be nice to have.
1. App tabs improves UX for 99.999% of users who aren't using a WM with a good tab solution (if one even exists).
2. WM tabs means launching a new app instance for every tab you might want vs having lightweight app tabs.
3. App tabs can do all sorts of app-level things and UX polish that dumb WM tabs can't do because they are so general. My terminal emulator tabs show a badge count of bell notifications, can be dragged around into groups, or dragging into other tabs as split panes. My browser tabs show you which tab is playing music and can impl right click -> mute.
4. I bet even the biggest WM tab cheerleader still uses browser tabs.
5. WM tabs are a different concern than app tabs, not a replacement. WM tabs are useful when you want tabs and the app doesn't provide a good tab metaphor or when you want to tile/group app instances a certain way. That doesn't mean it's not useful for the app instances themselves to have app tabs when it makes sense.
Although while I usually like tabs for most apps, I don't use tabs for terminal and rely either on window manager or tmux. I guess the difference is that I often want a mix of tabs and having multiple terminals side by side, whereas I don't really need that for a browser (or very seldom)
Sway had the better, though often tedious, WM tab solution that I've tried. Niri had a useless one.
I really tried to love sway splits and tabs for terminal windows. But I finally admitted I'd rather just alt-tab to a few different terminal apps, each with its own concern (maybe one per project, this one for my remote machine), and best of all, each with its own internal tabs.
That said, tabs in kitty and tmux, for example, are so basic that you don't necessarily lose much if you were to use WM tabs instead.
On the other hand, tabs in iTerm2, Ghostty, Cmux, probably macOS Terminal -- a bit more powerful and intuitive since you can do things like drag them, and they can show info like terminal state. And in some of those apps, they can be displayed vertically which is my favorite.
Sometimes, it makes perfect sense. The reason tabs made sense for web browsers since 2004 is because each web page could be thought of as a “stateless” instance of an application. You’re not asking for “tabs”, you wish every application could be “Stateless”. Stateless is a beautiful thing, until you understand what state is, and who needs to manage it.
If every “tab” of Spotify had no idea what the other “tab” is playing and you had to switch back and forth between tabs to pause-and-play songs, that would be a bug, not a feature. While 2 “windows” playing audio (if you instruct them to) is expected.
Agreed, and this is why tabs need to work at the app level, not window manager/os level.
That said, for Spotify specifically, it can already tell what I'm playing on an entirely different device. I think they can handle tabs.
It sounds like you could get away with using a tool like https://zmx.sh which only handles session persistence (attach/detach). It also uses libghostty but only for state restoration on reattach.