LTspice

Raised as a usability problem by 14 people on Hacker News over 12 years (2015–2026), in 9 threads.

People raised many different problems with LTspice, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 15 complaints

Interface is less intuitive than Circuit Maker 2000's2026-10-12
Load, save, cut, paste, undo and redo shortcuts don't follow modern conventions2022-12-15
Clunky at first, dated look, and needs SPICE directives for features lacking UI2022-06-09
GUI doesn't follow conventions, so it's painful to pick back up after time away2022-06-09
Hard to feel intuitive; GUI is not comprehensive for directives2022-06-09
Described as old, clunky, and one of the most unintuitive programs to use2022-06-09
The simulator's user interface is considered far worse than EAGLE's, which is itself seen as confusing2021-12-06
Scientific simulation software has a terrible user experience2021-03-11
LTSpice UI is unpleasant and unusable on Mac2021-03-11
Using LTSpice for tube circuit simulation is very frustrating and user-hostile2020-01-10
Parts feel arbitrary and hacky, so the tool is never enjoyable to use2019-11-28
Interface is unfriendly and hard to use compared with alternatives2019-06-25
Delete shortcut only works when the right part of the UI has focus2015-11-20
UI is so broken that it is practically unusable2015-11-20
Dragged items can't be deleted and other actions feel unintuitive2015-11-20