
XnView MP
ACDSee Photo Studio
Google Photos
Adobe Lightroom
Shotwell
Darktable
IrfanView
Professional Photo Management with the Power of Open Source

E.ggtimer.com
UbiTimer is a PowerPoint timer add-in that helps presenters stay on track with a clear countdown across slides. Simple and effective.
Which is more popular?
Based on our record, digiKam seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | digikam.org | ubitimer.com |
| Pricing | — | |
| Company | — | Startup from the United Kingdom · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


digiKam is an advanced open-source digital photo management application that runs on Linux, Windows, and MacOS. The application provides a comprehensive set of tools for importing, managing, editing, and sharing photos and raw files.
UbiTimer is a lightweight PowerPoint add-in that adds countdown, count-up, and radial timers directly to your slides. Perfect for teachers, presenters, and trainers, it helps keep lessons and meetings on schedule. Works on Windows and Mac, supports slideshow mode, and offers a free EDU version...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
digiKam is ideal for professional photographers, photo enthusiasts, and anyone needing a comprehensive tool for organizing and editing large collections of images. It's especially suited for users who prefer open-source software and require advanced management capabilities for their photo libraries.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
The Power of DigiKam (Wow Factor)
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing digiKam and Ubi Timer.
Ubi Timer's answer:
Ubi Timer brings timing directly into PowerPoint, so presenters do not need to switch to a browser, phone, or separate desktop timer. It supports countdown and stopwatch modes, works during Slide Show, and can be used per slide or across sections of a presentation, which makes it especially useful for lessons, workshops, rehearsals, and live talks.
Ubi Timer's answer:
Choose Ubi Timer if you want a timer that feels native to PowerPoint instead of bolted on. It is designed to be quick to set up, easy to style to match your slides, usable on Windows, Mac, and PowerPoint for the web, and reliable in live presentation settings without needing to leave your deck. It also offers a free version and a free EDU option for verified schools.
Ubi Timer's answer:
Ubi Timer is built for teachers, trainers, presenters, and speakers who use PowerPoint and need better control over timing. It is especially well suited for classrooms, workshops, meetings, practice sessions, and any presentation where staying on schedule matters.
Ubi Timer's answer:
Ubi Timer was created out of frustration with standalone timers and makeshift PowerPoint timer setups built from animated slides. The goal was to create a cleaner, easier, and more reliable way to manage time inside PowerPoint without disrupting the presentation experience.
Ubi Timer's answer:
Ubi Timer is built as a Microsoft PowerPoint add-in for Microsoft 365 and Office, designed to work directly inside PowerPoint across supported Windows, Mac, and web environments. I could not find a trustworthy public source naming the full internal stack, so this answer is safest for a public listing.
Ubi Timer's answer:
Teachers and schools Corporate trainers Workshop facilitators Public speakers and presenters Teams using PowerPoint for meetings and rehearsals
Share your experience with using digiKam and Ubi Timer. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Apart from the popular image formats like JPEG and PNG, DigiKam can also handle RAW files, making editing and processing of the image smooth. Then there are some great features like facial recognition, smart...
DigiKam is another powerful photo management software that is free and open-source. It’s available on Windows, macOS, and Linux so that is great. The software is generally used by professionals to organize all their...
digiKam is an advanced digital photo management application for Linux, Windows, and Mac-OSX. The people who inspired digiKam’s design are the photographers like you who want to view, manage, edit, enhance, organize,...
We have no reviews of Ubi Timer yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Digikam seems ideal for this https://digikam.org/. - Source: Hacker News / about 3 years ago
I have all of my photos (with the exception of smartphone photos... ugh) in a nicely constructed set of folders \photos\yyyy\yyyymmmdd\ then the folder made by the camera, etc. I've got a small python script to generate the folders. I... - Source: Hacker News / over 3 years ago
I use digikam for my own personal library. I’m not sure if it’s able to be run from a server, but I know you can hook up a NAS to it to manage it. Can tag photos, rank, organize, etc. Source: over 3 years ago
Tracking Ubi Timer since Oct 2025.
When comparing digiKam and Ubi Timer, you can also consider the following products.

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A simple countdown timer with an alarm for the browser.
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ACDSee becomes ACDSee Photo Studio — ACDSee Photo Studio Standard 2018 continues the ACDSee legacy
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All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.
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Adobe Lightroom is a family of image organization and image manipulation software.
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Shotwell is an open source photo organizer designed for the GNOME desktop environment.
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