Top Alternatives to Picasa

IrfanView is free image viewer application for Windows.

XnView is an efficient multimedia viewer, browser and converter.

FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.

Adobe Photoshop Lightroom is a photo processor and image organizer developed by Adobe Systems.

XnView MP is the enhanced version of XnView Classic. It is a powerful cross-platform media browser, viewer and converter.

Shotwell is an image organizer designed to provide personal photo management for the GNOME desktop environment.

digiKam is a free and open-source image organizer and tag editor written in C++ utilizing the KDE Platform.

Google Photos is a photo sharing and storage service developed by Google.

ACDSee is an image organizer, viewer, and image editor programs for Windows, macOS and iOS.

PaintShop Pro (PSP) is a raster and vector graphics editor for Microsoft Windows. It was originally published by Jasc Software. In October 2004, Corel purchased Jasc Software and the distribution rights to Paint Shop Pro. PSP functionality can be extended by Photoshop-compatible plugins.

gThumb is an image viewer and organizer with a couple of limited options to also edit images.

TagSpaces is an open source data manager and file navigator. It helps organize files on local drives by adding tags to files.

F-Spot is an unmaintained image organizer, designed to provide personal photo management for the GNOME desktop environment.

Nomacs is a free, open source image viewer, which supports multiple platforms.

Zoner Photo Studio is a bitmap editor and image file manager is one of the most widely used programs for editing digital photographs.

Photobucket is an American image hosting and video hosting website, web services suite, and online community dedicated to preserving and sharing the entire photo and video lifecycle.

Imagine is an image and animation viewer for Windows.

ImageGlass is a lightweight, versatile image viewing application that is designed to take the place of Photo Viewer in Windows.

Mylio is a photo organizer that slays your digital clutter.

Phototheca is a free photo organizing software makes it easy to view, sort, and organize photos.

Adobe Bridge is a digital asset management app.

Daminion specializes in LAN-based digital image management systems optimized for small teams, but their standalone Windows client is available for free.

Photos is a photo management and editing application.

SmugMug is a photo-sharing website and image hosting service which allows users to upload both HD photos and videos.

CamJamm is an online photo and video sharing service that is powered by Google.