Pics.io is described as 'Cloud-based service that enables photographers to work with no syncing hassles and storage issues. It stores everything valuable (photos, metadata, catalog) securely on the web allowing to work from anywhere, using any device you have' and is a Photo Editor in the photos & graphics category. There are more than 50 alternatives to Pics.io, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux, iPhone and Android apps. The best Pics.io alternative is RapidRAW, which is both free and Open Source. Other great sites and apps similar to Pics.io are digiKam, darktable, RawTherapee and Adobe Lightroom.