Horse

Closing tabs kills your tasks.

Replace tabs with Trails® and keep the task alive. When life interrupts, collapse the whole Trail. Come back tomorrow and you can see what you were thinking, pick up right where you left off, and finish the thing.

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Problem

Normal browsers are Tab Hell for ADHD brains.

You think forty-seven open tabs is your fault. It isn’t. A tab remembers the page but throws away why it mattered, then asks your memory to reconstruct the task from forty-seven tiny favicons. Get interrupted once and the task is gone, even though every page is technically still open. This is not a personal failing. It is a terrible filing system.

Tab Hell, reconstructed: six windows, forty-seven tabs, one missing task, and the cat video that somehow survived everything.

Forty-seven open tabs

Each one is something you still mean to finish. The browser grows into a monument to the overwhelm it was supposed to help you through.

An invisible daily tax

Tabs preserve pages and discard context. Your brain has to remember why each page exists, where it came from, and what happens next. Your computer is excellent at remembering things. Let the machine shine!

Restored as a pile

“Restore session” brings every page back, but not what you were doing with them. Every page lives! None of them know why they are here.

The tab was the task

The form you never submitted. The reply Sarah is still waiting on. The dentist you keep not booking. They were never tabs. They were tasks that needed a route back.

Fix

Out of the mess, onto Trails®.

Click a link and it branches. Horse keeps the page you came from directly above it. Keep browsing and the route draws itself behind you. No filing ceremony. No naming convention before breakfast. Just go.

See something fascinating? Take the tangent! The original task stays connected while curiosity charges ahead. When you are ready, the route home is waiting.

Tab managers make large tab collections easier to sort. Blockers keep a chosen site shut. Trails® do another job: they preserve the relationship between pages, so the task keeps its shape while you are away.

Pascal didn’t study this problem. He has it. He built the browser he needed and gave the remembering to the machine. The machine was born ready.

Your brain isn’t broken. Your browser is. Excellent news: browsers are wonderfully buildable.

Horse introduction, 98 seconds (2024). Written by Eleanor McKeown, starring Pascal Pixel, editing by Huenu Castanho.

Rabbit holes are the point

Chase the weird, useful thing! When you surface an hour later carrying six new facts and the answer you did not know how to search for, the route back is still drawn.

Take a Trail with you

Drag any Trail out of the sidebar and it becomes markdown: every page, every branch, ready for your notes, document, or next great scheme.

Collapse, don’t close

Fold a Trail away and expand it tomorrow with everything exactly where you left it. A tidy desk you did not have to tidy, the supreme category of desk.

Every option stays open

Keep every flight, product, paper, or recipe inside the same Trail until you are ready to choose. Compare properly, with every candidate still in sight. The winner can earn it.

I have not clicked 'back' in a long time with Horse.
deskinvestor avatar@DeskInvestor, Financial Investor

Relief

Your browser should remember things so you don’t have to.

Every open tab is a thought you’re holding in your head. Put it on the screen instead. Horse keeps the pages, their order, and the reason they belong together, even after you close the laptop. Tomorrow-you gets the whole scene, not a sack of favicons.

Daniel Jaeger, a BACP-registered psychotherapist with ADHD, described the mechanism neatly: “Horse Browser externalises executive functioning.” That is his description of the accommodation, not a treatment claim. The practical joy is simple: the browser carries the structure, and your attention gets room to move.

An ordinary Tuesday, all visible at once: two projects, one parked rabbit hole, today’s errands, and Sarah’s reply open in its own window. The dentist is waiting its turn.

Survives every restart

After an update, crash, or force-quit, reopen Horse and the week of thinking is still there. Software mishaps do not get authorship privileges over your ending.

Switch contexts in one click

Fold the project you are leaving and open the one you need. Sarah’s reply waits exactly where you stopped. When you return, one click brings the whole scene back.

Organize how you want

Name your Trails®, add emojis, file the dentist under Today, and park the tea spiral in 🐇 Rabbit Hole. It is your map. Make it immediately, unmistakably yours.

Quiet by default

Horse sits still while pages branch inside a calm, predictable sidebar. Nothing flashes, shuffles, or auditions for your attention. The internet can stay enormous while your way through it becomes a quiet corner of the internet.

Horse Browser is my quiet, safe internet where I am free to explore something new.
Beth McClelland avatarBeth McClelland, Content & Marketing, Capacities

Everyday

Your attention can move. The map stays.

Life yanks you around all day. The deadline, the dentist, the rabbit hole, Sarah waiting for an answer. Give each one a Trail. Collapse one, open the next, and return with the first useful thought already waiting. Many interests! One magnificent map!

Falling down rabbit holes

Your brain wants to branch. Excellent. Follow the fascinating thing. The rabbit hole stays drawn behind you, so curiosity costs you nothing on the way back.

Researching anything serious

Papers, comparison shopping, or trip planning: every source keeps its place in the argument, all the way from A to the surprisingly distant Z.

Running multiple projects

Dashboards, documents, and client work each get their own Trail. Fold one, open another, and every project returns with its context intact.

Whatever else is happening today

Book the dentist. Reply to Sarah. Investigate an Animal Crossing mystery and find a chair that does not fight you. Different Trails® for a wonderfully various life, with nothing lost when you switch.
I booked a hotel with 0 cognitive load despite having 15 tabs open. I've been talking about it to everyone.
Gregoire Jeanneau avatarGregoire Jeanneau, Co-founder, Pantry Studio

Sync

Two windows.
One set of Trails®.

Open a second window and your Trails® are already there. Both windows share the same sidebar, while each shows whichever page you choose.

Put the research on one monitor and Sarah’s reply on the other. Every new branch appears in both. Your desk has become a command centre. Horse reports for duty!

The same Trails® in both windows, Trailheads and all. One is reading about matcha, the other is booking the trip. Both share the same sidebar while each can show a different page.

One sidebar, every window

Open another window and the full tree is already there. Add a page in one window and it appears in the other. One map, however ambitious your desk becomes.

Each window holds its own page

Choose a different page in each window. Keep the matcha article open on one screen while the other books the flight. Each window stays exactly where you put it.

Made for a second screen

Put reference material on the second monitor and Sarah’s reply on the first. Both can open anything in the same set ofTrails®. Two screens finally become one glorious desk.

Collapse once, fold both

Collapse a Trailhead in one window and it folds shut in the other too. Expand it from either window and both show the branch again. There is nothing to reconcile because it was one tree all along.

Exit

Take your Trails®
with you.

Drag a Trail out of the window and it’s markdown. The complete branch comes with it, indented, linked, and carrying its notes. Drop it into a document, an email, or your notes app.

Your research belongs to you. The moment you want it somewhere else, it is plain text and ready to travel.

Grab the Trailhead and drag it out. The complete subtree lands in your editor as a clean markdown outline, with links, nesting, and tasting notes intact.

The whole subtree, outlined

Drag a Trailhead and every page beneath it comes too. Children, grandchildren, folders, and notes keep the same nesting in a clean markdown outline.

Links stay links

Every page keeps its title and URL as a real markdown link. Paste the outline elsewhere and the whole route remains clickable.

Your notes ride along

Folder names, project notes, and the tasting revelation you typed at two in the morning all come along, exactly where you put them.

Drops into anything

It is plain text. Use Obsidian, a Google Doc, an email, or the back of a napkin if you discover a sufficiently advanced pen. No proprietary file stands between you and your work.

Speed

Run Trails from the keyboard.

Move through your Trails® without reaching for the mouse. Jump to the next tangent, collapse a whole branch, and open the one you want. Your hands stay on the keys and the thought keeps moving.

Every shortcut appears in the corner as you press it, so one useful command becomes two, then ten, then the whole tree moving at your command. YES, COMPUTER!

No cursor in sight. The selection moves through the tree, a branch folds shut, and each key combination lights up in the corner as it lands.

Move between Trails

command+shift+Select the trail above
command+shift+Select the trail below

Move Trails

command+shift+option+Move the trail up
command+shift+option+Move the trail down

Fold and open branches

command+shift+Collapse, or jump to parent
command+shift+Expand, or step into
option+LCollapse everything but here

Open new Trails

command+option+TNew subtrail
command+option+shift+TNew sidetrail
command+TNew subtrail on a Trailhead

Proof

People who think in tangents keep writing us reviews.

I love the hierarchical tab feature. Soooo much better implemented than all the extensions for Firefox or Chrome.
halloleo avatar
@halloleo
Programmer
Really happy with Horse Browser. After a couple of weeks it fully replaced Arc for me. I'm feeling more productive and organized with it.
linuz90 avatar
Fabrizio Rinaldi
Co-founder, Typefully
Horse Browser has been my daily driver since the day I downloaded it.
Kevin Humdrum avatar
Kevin Humdrum
Editor, The Independent Variable
I just look to the left and clearly see how I got here. It's lifted the mental load of organizing my research while I'm researching.
Max Roberts avatar
Max Roberts
Podcaster, Max Frequency
A safe home for my interests. No noise, no friction. Just me, my Trails, and my curiosity.
Réka Goupil avatar
Réka Goupil
@rekawrites
This is the first time I paid for a browser, and I do not regret a single dollar of it.
Philipp Temmel avatar
Philipp Temmel
@creativerly