PhotoBulk2 is a newest version of bulk image editor by Eltima Software. The app allows to set multiple watermarks, optimize, resize, convert images to different formats and rename hundreds of pictures – all in a few clicks. New interface is much more shaped and intuitive, and the app engine provides almost infinite basis for the future upgrades.
If you're looking for image datasets to use with this, check out https://www.producthunt.com/posts/download-image-datasets
Managify is an integrated platform for creating and organizing projects, notes, spreadsheets, bookmarks, passwords, files and calendar. It combines the organizational capabilities of Evernote with the comprehensiveness of document user interfaces of Microsoft Office.