Based on our record, Phototheca seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on Reddit, HackerNews and some other platforms. They can help you identify which product is more popular and what people think of it.
Photo management software (lunarship.com). - Source: Reddit / 4 months ago
There is this photo organizing software, Phototheca , which is the best photo organizing software I have found thus far (at least according to my needs and workflow [insert appropriate XKCD here]). A version from a year+ or so ago used nice, colorful icons  in the sidebar to access the main functions. The late(st)? They made the icons grayscale... On a gray-ish background . It is really giving me a... - Source: Hacker News / 7 months ago
XnView MP - XnView is a free software that allows you to view, resize and edit your images. It supports more than 500 different formats!
GIMP - GIMP is a multiplatform photo manipulation tool.
digiKam - Professional Photo Management with the Power of Open Source
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
ACDSee Photo Studio - ACDSee becomes ACDSee Photo Studio — ACDSee Photo Studio Standard 2018 continues the ACDSee legacy
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.