Apps similar to ACDSee Free include Ente Photos, which is open source with a free version. Other options are IrfanView, RapidRAW, XnView MP and darktable. There's no shortage of Image Viewers like ACDSee Free, with more than 50 alternatives for Windows, Mac, Linux, Android and iPhone.
QuickViewer is a graphic image viewer for comfortable browsing of many images. This software performs reading of image data in advance. And drawing the imported image data on the screen with OpenGL. You can browse images with much smoother response than ever before.
Japan
PhotoQt is a fast and simple, good looking, yet powerful and highly configurable image viewer.
Germany
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Bring order to your research — use the power of Tropy to organize and describe your research photos so you can quickly find your sources whenever you need them, whether that’s days or years later.
United States
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
Russia
Ansel is an open-source photo-editing software for digital artists, designed to help you achieve your own interpretation of raw digital photographs.
FranceEU
FlashView is a fast photo viewer for Windows. Open a folder and scroll through tens of thousands of RAW and JPEG photos instantly — no catalog, no import, no waiting. Rate with a single keystroke (stars, color labels, pick/reject), one at a time or hundreds at once.
GermanyEU
GermanyEU
Geeqie is a free open software image viewer and organiser program for Linux, FreeBSD and other Unix-like operating systems.
CzechiaEU
Open, edit, and convert over 300 file formats seamlessly. Advanced tools for image editing, including RAW support. Batch convert files, enhance photos, and export in preferred formats swiftly. Available on Android with freemium model.
United States
View directly, image pinning, diverse formats, and EXIF information. Optimized for viewing long images, the perfect mac platform image viewer.
Free online service for photo and video album sharing for everyone: friends and family as well as the passionate photographers. Upload your memories from your PC and even your mobile telephone. Unlimited storage. Available in more than 10 languages.
FranceEU
Enhanced Android Gallery App to manage local photos: geotagging with map, tags (keywords), find, sort, view, copy, delete, set gps exif data, send, ... .
