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Software · Photo & graphics

Oculante

Oculante is an image viewer, available on macOS and Linux: hardware acceleration.

  • Completely free
  • macOS and Linux
  • Open source
  • No account

Overview

Oculante is an image viewer, available on macOS and Linux.

Features described in its Flathub listing and in its GitHub repository: hardware acceleration.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “A fast and simple image viewer / editor for many operating systems” — GitHub, 10 November 2026
  • “A no-nonsense hardware-accelerated image viewer” — GitHub, 10 November 2026

At a glance

Oculante is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No account needed
  • Commercial use allowed

Weaknesses

  • Few recent updates

About

A no-nonsense hardware-accelerated image viewer. Oculante's vision is to be a fast, unobtrusive, portable image viewer with wide image format support, offering image analysis and basic editing tools. Free of charge, bloat-free, ad-free, privacy-respecting open source application Fast opening of images, fast startup Available for Win, Mac, Linux, FreeBSD and NetBSD Supports a wide range of images and SVG Caches images for faster reloading Can display unassociated channels correctly (If your image uses alpha and color channels to encode data in a special way) Lets you pick pixels, display location and color values Offers basic nondestructive editing: Crop, resize, paint, contrast, HSV, rotate, blur, noise, ... SIMD-accelerated image editing

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from GitHub (credit card, account, source code, publisher, licence, free status, platforms, commercial use) —
  • Last technical check: 7 November 2026
  • Description from Flathub — AppStream (Flathub)

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