The only thing I know with half of those features that's discontinued is the old Darkroom app but that doesn't tackle some of the bigger compatibilities. Source: about 2 years ago

Not sure if this is applicable, but if you're using Word or Scrivener or something, you may want to switch to a plaintext editor like Dark Room or Typora--something that won't underline your spelling and grammar mistakes. It doesn't even have italics or bold to get in your way. Dark Room is a little old, but I found it here: https://codex.jjafuller.com/books/dark-room/page/overview. Source: over 2 years ago

I use DarkRoom. Full screen, no distractions, no "fancy" auto-formatting. Source: almost 3 years ago

King of the hill is PTGui and its only real former competitor, AutoPano, is now abandonware. Source: about 1 year ago

A full-featured stitching utility like PTGui - If you are going to be doing any amount of extensive stitching, you are going to be using a dedicated stitching utility like PTGui. Let's say you shoot a 3-frame pano, and you have a parallax problem in the overlap between frames 1 and 2. You just go in with PtGui, and mask the area say in frame 1, so that PTGui will use that designated area from frame 2 for the... Source: about 1 year ago

For my own site I use PTGui Pro. It's not made for Wordpress, but I developed a workflow that works for me... And any solid Wordpress/PHP developer should be able to do the same for a Wordpress site. Source: over 1 year ago

PTGui is probably the best panostitching software package, but it's not for casual users who occasionally stitch as a personal-use license is about US$159 and a PTGui Pro license is $317. Can, like most full-featured spherical pano stitchers, do panostitching and HDR or exposure fusion at the same time. Source: almost 2 years ago

PTGui is the best app for pano stitching, with excellent HDR tools: https://ptgui.com/. Source: almost 2 years ago