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Dat

A command-line session showing repository creation, addition of a file, and decentralized synchronization
Original author(s)	Max Ogden
Developer(s)	Dat Team and others
Initial release	4 June 2013; 11 years ago (2013-06-04)
Stable release	14.0.2  / 26 March 2020
Repository	github.com/datproject/dat
Written in	JavaScript
Operating system	Linux, macOS, Windows
Available in	English
Type	Distributed data store
License	BSD-3-Clause
Website	dat-ecosystem.org

Dat (/dæt/) is a data distribution tool with a version control feature for tracking changes and publishing data sets. It is primarily used for data-driven science, but it can be used to keep track of changes in any data set. As a distributed revision control system it is aimed at speed, simplicity, security, and support for distributed, non-linear workflows.

Dat was created by Max Ogden in 2013 to standardize the way data analysts collaborate on the changes they make to data sets. It is developed through funding support from Code for Science, the John S. and James L. Knight Foundation and the Alfred P. Sloan Foundation.

Dat is free software distributed under the terms of the BSD-3-Clause license.

One of the main implementations is Beaker, a web browser that seamlessly handles dat:// URLs and allows building and seeding Dat websites. Homebase is a server-side permanent seeding tool for Dat.

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See also

• Freenet
• InterPlanetary File System (IPFS)
• Git
• Beaker (web browser)
• Comparison of version control software
• List of revision control software

References

1. "initial readme". Github. 26 June 2013. Retrieved 25 January 2017.
2. ^ "Dat Development Team". Dat Project. 2016. Archived from the original on 23 June 2018. Retrieved 26 January 2017.
3. "Commit Graph". Github. Retrieved 26 January 2017.
4. "Release 14.0.2". 26 March 2020. Retrieved 26 March 2020.
5. "Release 14.0.2". 26 March 2020. Retrieved 4 October 2022.
6. "Dat's BSD license at github.com". github.com. 18 November 2015. Retrieved 25 January 2017.
7. "Introducing Dat: If Git Were Designed For Big Data (at 00:00:03)". YouTube. Retrieved 26 January 2017.
8. "dat". datproject.org. Retrieved 26 January 2017.
9. "initial readme · datproject/dat@4646792". GitHub. Retrieved 26 January 2017.
10. "Technology & Data For Good". Code for Science & Society. Retrieved 26 January 2016.
11. "Dat". Knight Foundation. Retrieved 26 January 2016.
12. "Dat Grant". sloan.org. Alfred P. Sloan Foundation. 2014. Retrieved 26 January 2016.
13. "Beaker | Peer-to-peer Web browser. No blockchain required". beakerbrowser.com. Retrieved 13 June 2019.
14. GitHub - beakerbrowser/homebase: Self-deployable tool for seeding dat:// websites., Beaker Browser, 12 June 2019, retrieved 13 June 2019

• Version control
• Distributed data storage
• Peer-to-peer file sharing
• Distributed file systems
• 2013 introductions