The best Photo Sharing alternative to Picasa is digiKam, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Picasa and many of them are Photo Sharing Apps so hopefully you can find a suitable replacement. Other interesting Photo Sharing App alternatives to Picasa are Ente Photos, Shotwell, ACDSee Photo Studio and Piwigo.
digiKam is an advanced digital photo management tool that simplifies importing and organizing photos into albums. It supports various formats including RAW, features tagging, metadata management, duplicate finder, photo editing, sharing, GPS data handling, and has cross-platform compatibility.
Open-source, end-to-end encrypted backup and sharing for photos and videos, multi-platform sync, original quality preservation, privacy-first design, collaborative albums, family sharing, secure external sharing, robust data replication, and device imports.
Shotwell is an open source photo organizer designed for the GNOME desktop environment.
Offers organization, viewing, and editing tools for digital images, supports over 700 RAW formats, enables metadata embedding and syncing, dynamic category and keyword filters, workflow optimizations, non-destructive edits, detailed image preview, and sharing options.
Manage your photo collection with Piwigo Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
Photos is a digital photograph manipulation application developed by Apple, intended to be less complex than its predecessor iPhoto .
All-in-one photo editor offering organized asset management, advanced RAW processing, detailed layers and masks, HDR monitor compatibility, AI-powered tools for editing, integrated video editor for trimming, flexible culling options, and print creation features.
SmugMug is a subscription service for image sharing, hosting, and video uploading. It also provides a marketplace for photographers to sell digital and print media. The platform offers a suite of tools for protecting, sharing, storing, and selling photos.
Integrates photos from various devices into a unified, organized library, syncing collections across Apple, Android, and Windows while preserving folder structures. Enables multi-platform editing, advanced search, sharing, RAW support, offline syncing, metadata tools, and secure management.
Showcase your memories by organizing your pictures inside a very simple and intuitive interface.
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Great photo and tag management tools. It's also apparently the only program, from the ones listed, that has facial recognition features (although not great in comparison to Picasa's).