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Top 23 image-viewer Open-Source Projects
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ImageGlass
🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows, macOS, and Linux.
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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Project mention: yazi: Rust Terminal File Manager with Image Preview — Alacritty Fix Included | dev.to | 2026-04-21
On macOS, Überzug++'s X11/Wayland backend is disabled at compile time, so it can't overlay images. yazi automatically falls back to Chafa, which renders images using Unicode block characters inside the terminal.
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Project mention: Lap: An offline-first photo manager for large local libraries | news.ycombinator.com | 2026-04-21
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Project mention: From Issue to Merge: Propagating HTTP Status Through OpenSeadragon | dev.to | 2026-09-25
🔗 Issue: OpenSeadragon #2541
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Project mention: Show HN: Capture website screenshots from your terminal. No browser needed | news.ycombinator.com | 2026-01-06
Yes, that's why we built it. iTerm has https://iterm2.com/documentation-images.html, and Kitty has the Terminal Graphics Protocol.
This is also a good library which show the image display in action https://github.com/atanunq/viu
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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Project mention: Ask HN: How are most people converting HEIC to jpg? | news.ycombinator.com | 2025-12-19
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jpegview
Fork of JPEGView by David Kleiner - fast and highly configurable viewer/editor for JPEG, BMP, PNG, WEBP, TGA, GIF and TIFF images with a minimal GUI. Basic on-the-fly image processing is provided - allowing adjusting typical parameters as sharpness, color balance, rotation, perspective, contrast and local under-/overexposure.
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https://github.com/hzeller/timg, which is pretty cool since I can control
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quick-picture-viewer
🖼️ Lightweight, versatile desktop image viewer for Windows. The best replacement for the default Windows photo viewer.
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orbiton
Snappy and configuration-free text editor/IDE for the terminal. Suitable for writing git commit messages, editing Markdown, config files, source code, man pages and for quick edit-format-compile cycles when programming. Has syntax highlighting, jump-to-error, rainbow parentheses, macros, copy/paste portals, gdb, dlv and LSP support.
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fx-fotos
"Fx Fotos" is an opensource gallery app in react native with the same smoothness and features of Google Photos and Apple Photos. It is backend gnostic and connects to decentralized backends like "box", "Dfinity", "Filecoin" and "Crust".
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
image-viewer discussion
image-viewer related posts
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From Issue to Merge: Propagating HTTP Status Through OpenSeadragon
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A Love Letter to Flashcards
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Show HN: Capture website screenshots from your terminal. No browser needed
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Ask HN: How are most people converting HEIC to jpg?
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Qimgv – Image Viewer
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Show HN: I made a tool to generate photomosaics with your pictures
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Show HN: Photo viewer, right in the terminal, cross-platform, no need for x11
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A note from our sponsor - AppSignal
www.appsignal.com | 13 Oct 2026
Index
What are some of the best open-source image-viewer projects? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | ImageGlass | 14,570 |
| 2 | chafa | 5,315 |
| 3 | lap | 3,767 |
| 4 | PicView | 3,640 |
| 5 | qView | 3,617 |
| 6 | openseadragon | 3,515 |
| 7 | viu | 3,289 |
| 8 | nomacs | 3,226 |
| 9 | qimgv | 3,144 |
| 10 | jpegview | 2,925 |
| 11 | timg | 2,780 |
| 12 | QP-Gallery-Releases | 2,672 |
| 13 | OpenComic | 2,004 |
| 14 | feh | 1,918 |
| 15 | spotlight | 1,706 |
| 16 | oculante | 1,689 |
| 17 | DiffusionToolkit | 1,017 |
| 18 | Agrume | 892 |
| 19 | nsxiv | 842 |
| 20 | quick-picture-viewer | 834 |
| 21 | orbiton | 710 |
| 22 | fx-fotos | 689 |
| 23 | geeqie | 622 |
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Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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