Dat is an open source backup and synchronization application that enables users to securely store and share their data across multiple devices. It is designed to be secure, easy to use, and fast. With Dat, users can quickly and easily backup and sync their data between laptops, desktops, phones, and tablets. It also provides an intuitive interface for quickly accessing and managing files and folders. Dat also includes a built-in encryption system that ensures that data is securely stored and only accessible to those with the appropriate credentials. Additionally, it allows users to access their data from anywhere, anytime, and on any device. With Dat, users can rest assured that their data is securely backed up and synced across all of their devices.
Syncthing
Resilio Sync
IPFS
ZeroNet
Librevault
Beaker browser
Solid
Blockstack
The Web
Hashbase
HTTP
Discontinued The project seems to be abandoned since March 2017. The latest version, v0.1.19, released in October 2016, can still be downloaded from the official website.