1
Also covers image tools, linux, and open source · same kind of open-source project
View and edit images across multiple operating systems with oculante, an image viewer and editor.
Alternatives
The Best Nomacs Alternatives in 2026
24 alternatives3 free · 23 open source
Looking for something like Nomacs? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 23 are open source.
nomacs lets users view images on Windows, Linux, and macOS through a cross-platform viewer.
Top picks at a glance
First suggestionoculanteView and edit images across multiple operating systems with…Free or freemium optionPhotoQtBrowse images with PhotoQt, an image viewer whose GitHub…Another optionImagefanReloadedImageFan Reloaded is a tabbed image viewer for Linux and…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | oculante | — | Yes | Windows, macOS, Linux |
| 2 | ImagefanReloaded | — | Yes | Linux, Windows |
| 3 | PhotoQt | Free | Yes | Linux, Windows |
| 4 | Flameshot | — | Yes | Linux, macOS, Web |
| 5 | HDRView | — | Yes | — |
| 6 | qimgv | — | Yes | — |
| 7 | Q View | — | Yes | — |
| 8 | Lap | — | Yes | Linux, macOS, Windows |
| 9 | FlipFlip | — | Yes | Linux, macOS, Windows |
| 10 | tev | — | Yes | Linux, macOS, Windows |
All Nomacs alternatives
2
Also covers image tools, linux, and open source · same kind of open-source project
ImageFan Reloaded is a tabbed image viewer for Linux and Windows, written in C# and targeting .NET 10.
3
Also covers image tools and open source · same kind of open-source project · free
Browse images with PhotoQt, an image viewer whose GitHub repository mirrors its main project.
4
Also covers image tools, linux, and open source
Capture and save screenshots with Flameshot, a cross-platform tool that includes built-in screenshot features.
5
Also covers image tools and open source · same kind of open-source project
HDRView supports examining and comparing high-dynamic-range images through a dedicated viewer.
6
Also covers image tools, linux, and open source · same kind of open-source project
qimgv provides image viewing with optional support for playing video files.
7
Also covers image tools and open source · same kind of open-source project
Practical and minimal image viewer designed with minimalism and usability in mind.
8
Also covers image tools, linux, and open source · same kind of open-source project
Lap runs as an offline-first desktop photo manager on macOS, Windows, and Linux, for albums and large local libraries.
9
Also covers image tools, linux, and open source · same kind of open-source project
FlipFlip displays local images in a randomized slideshow and runs on Mac, Windows, and Linux.
10
Also covers image tools, linux, and open source · same kind of open-source project
tev displays HDR images and color profiles across operating systems, including HDR output.
11
Also covers image tools, linux, and open source · same kind of open-source project
Oxipng optimizes PNG and APNG files with lossless compression, and offers both a command-line interface and a library.
12
Also covers image tools and open source · same kind of open-source project
QuickView displays JXL, AVIF, WebP, RAW, and QOI images in a Windows application using Direct2D.
13
Also covers image tools and open source · same kind of open-source project
Greenshot provides screenshot capture tools for Windows, according to its project page.
14
Also covers image tools and open source · same kind of open-source project
LibrePhotos provides self-hosted photo management with face recognition, object detection, and semantic search.
15
Also covers image tools and open source · same kind of open-source project
Google Photos Migrate repairs EXIF data and filenames in Takeout archives, handles duplicates, and preserves albums in folders.
16
Also covers image tools, linux, and open source · same kind of open-source project
Capture and annotate screenshots across platforms with ksnip, a dedicated screenshot utility.
17
Also covers image tools, linux, and open source · same kind of open-source project
Caesium Image Compressor compresses JPG, PNG, WebP, and TIFF pictures for storage, sending, and sharing.
18
Also covers image tools and open source · same kind of open-source project
The Google Photos Deduper Chrome extension finds and removes duplicate images in a Google Photos library.
19
Also covers image tools and open source · same kind of open-source project
Up1 encrypts images, text, and other data in the browser before hosting them, and can display short videos and downloadable files.
20
Also covers image tools and linux · free
View images with qView, a lightweight viewer for Windows, macOS, and Linux with a minimal interface.
21
Also covers image tools and open source · same kind of open-source project
Immich-Go imports large Google Photos Takeout archives into a self-hosted Immich server as an alternative to the Immich CLI.
22
Also covers image tools and open source · same kind of open-source project · free
Screenshot Studio lets users create and edit screenshots in a browser without account signup or watermarks.
23
Also covers image tools and open source · same kind of open-source project
The odiff project provides an SIMD-first image comparison library with a Node.js API.
24
Also covers image tools and open source · same kind of open-source project
TagStudio manages photos and files, with project topics covering organization, metadata, and tagging.
No alternatives match this filter.
Alternatives to similar tools
ImagefanReloaded24 alternativesMigration Tool24 alternativesGoogle Photos Deduper24 alternativesFlipFlip24 alternativesQuickView24 alternativesKSnip24 alternatives
TopicImage Tools · 174 sites Best-of list8 Best Free Image Compression Tools in 2026Best-of listBest Free Screenshot Tools for Clear Captures and Markup ListingNomacs details
What is the best alternative to Nomacs?
Based on features, tags and platforms, the closest alternatives to Nomacs are oculante, ImagefanReloaded, and PhotoQt.
Is there a free alternative to Nomacs?
Yes. PhotoQt, qView, and Screenshot Studio are free or offer a free plan.
Are there open-source alternatives to Nomacs?
Yes: oculante, ImagefanReloaded, PhotoQt, and Flameshot.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative