Open source alternative to Maple?

[B. Otsing]

Treeline organiser/PIM, by Doug Bell

http://www.bellz.org/treeline/index.html

Is it just me or is this no way related to Maple?

 

[Bob Adkins]

And then you demanded of a poster who hadn't posted a link what the
held was going on with the link that he/she didn't post.

Harvey, quit posting those awful links you don't post.

 

[Hengist_Ludd]

Is it just me or is this no way related to Maple?

Topic was "Open source alternative to Maple"

Doesn't say clone, identical, or even file-compatible, so I assumed,
open-source tree-type outliner. Tranglos Keynote is another, and better
known.