I have really enjoyed the Outliner app for elementary OS. See https://github.com/phase1geo/Outliner

I haven't tried to do the git clone function on a non-elementary machine, so that's a caveat.

But I've been really impressed by the creativity and responsiveness of the developer, Trevor Williams. I pitched him one of my favorite functions of KAMAS (golden oldie outliner, CP/M then DOS outliner): move to bin. Williams implemented it in an elegant way.

You go to a line/node/ROW (in Outliner-speak). Then you enter # (or right click) to assign a bin number (1-9, I think). It automatically increments the bins. After that, move to a row, then type Ctrl+number. The selected row, and all subheadings, refile under the corresponding bin number. It's a really fast way to impose a new order on an outline.

Dynalist has a Move function that's similar (and that I use a lot). But this works faster. I'm so grateful to programmers who figure this stuff out.

Outliner isn't perfect. It's hard to copy and paste multiple rows to other programs. There are some bugs in display Williams is tracking down. But so many of the commands (right arrow to incremenbtally expand display, like tab in org-mode), A to navigate up a level, N to navigate next, P to previous, and so on, allow one to swiftly race around a file without ever taking your hands from the keyboard.

Outliner has a full complement of export files, including OPML.

Consider this a shout out to the talented people working to offer cool products for us CRIMPers.

Anyhow, I recommend Outliner. It's a thing of beauty, and has real potential.

IMHO the great Notecase pro, supporting several flavors, and this are the only two proper outliners on Linux. If any other exist, please enlighten us. I searched many repos for years. Nothing has come close so far in quality (not counting good old Linux text editors, just tree outliners. So I hope Williams finds the time to keep at it.

Regarding flavors: As other more jazzy flavors inevitably crash in time, only two or three flavors are standing the test of time for me. But that's off topic. Thanks indeed to both devs.

I agree about Notecase Pro. And I"ve now put in enough hours on emacs org-mode (and markdown-mode) to put it on the short list. I used to use hnb, and have several times installed tines, which remains a very capable terminal-based outliner, but just quirky enough that I tend not to use it.

Yes a few of us recommended org-mode in roam discussions over the summer. I only briefly played with it. Looked useful for a keyboard based brainstorming session over a few days, like starting a new phd thesis or a book, something big, for my purposes. Keeping an eye on it, and Athens and free others.

As I said a proper outliners in the classic sense for me needs an outliner tree as in this top couple for me. Would be nice if someone did a plug-in like that, or maybe already someone did. There are also many good old Linux text editors (powerful) as I said. And a few dozen apps that are in my top toolchain, but they complement the proper tree outliners. Different genres IMHO. Lack of apps still the main problem on Linux, shame as it's far superior to the other mega commercial ones.

Ghosts typo:

> and free others.

As I said a proper outliners.....

and free others.
As I said a proper outliner ......

Few others