Open Source Java Cloud Storage Software

Cryptomator is a free and open source project that offers multi-platform, transparent client side encryption of your files in the cloud. It works with just about any cloud storage service; is totally transparent so you can work with your files how you normally would; and secure with a 256-bit key length AES encryption. It’s also simple and easy to use with no need for different accounts, key management, cloud access grants or cipher configurations.

Nextcloud Android app is the Android client for Nextcloud, a private file sync & share and communication server. It lets you access all of your files easily on your Nextcloud from any Android device. Nextcloud Android app is easy to use and completely open source, so you can host it yourself or have a company do it for you. Always stay in control of your photos, calendar, contact data and other documents and files with Nextcloud.

A JavaApplication to manage photos, get images from unsplash, compress them with tinify or upload them into the cloud! Edit the images add Filter or export them out of the program.

This is a GUI or command line tool to backup / upload your photos and videos to flickr or restore / download photos and videos from Flickr

Alluxio is the world’s first open source data orchestration technology for analytics and AI for the cloud. It bridges the gap between computation frameworks and storage systems, bringing data from the storage tier closer to the data driven applications. This enables applications to connect to numerous storage systems through a common interface. It makes data local, more accessible and as elastic as compute.

Snap Screen App™ waits for a "random" amount of time, then captures pictures of what is on the computer screen ("screenshots") and sends them to a predetermined recipient. This would be useful for anybody wanting a simple efficient way to monitor what people are doing on a computer (for parents to monitor their children, employers to monitor employees, etc.) Lets the user login to a cloud storage account (compatible with Dropbox) then uploads the screenshots to that account. Dropbox and the Dropbox logo are trademarks of Dropbox, Inc. Snap Screen App™ is not affiliated with or otherwise sponsored by Dropbox, Inc.