GuideGuide - GuideGuide is the Photoshop and Illustrator panel that makes working with guides.
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
phpAlbum - phpAlbum.net is an Open Source PHP script which allows creating personal Photo Album / Gallery
PhotoPrism.app - PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Lychee by Electerious - Lychee is an open-source, free software program for self-hosted photo management. It can be installed on the user's own server or website. The software permits the uploading and management of photos and also makes sharing photos very easy.