# Duplicati

> backup software

**Wikidata**: [Q1266534](https://www.wikidata.org/wiki/Q1266534)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duplicati)  
**Source**: https://4ort.xyz/entity/duplicati

## Summary
Duplicati is free backup software distributed under the GNU Lesser General Public License, version 2.1, that runs on Linux, Microsoft Windows, and macOS. It is designed to create encrypted backups and supports various storage backends, making it a versatile tool for data protection.

## Key Facts
- **License**: GNU Lesser General Public License, version 2.1 (source: [GitHub](https://github.com/duplicati/duplicati))
- **Operating Systems**: Linux, Microsoft Windows, macOS
- **Latest Stable Version**: 2.1.0.5 (released on 2025-03-05, verified on 2025-04-30)
- **Earliest Version**: 1.0 (released on 2009-06-14)
- **Programming Language**: Not explicitly stated, but source code is available on [GitHub](https://github.com/duplicati/duplicati)
- **Issue Tracker**: [GitHub Issues](https://github.com/duplicati/duplicati/issues)
- **User Manual**: [Duplicati Documentation](https://duplicati.readthedocs.io/en/latest/)
- **Wikipedia Entry**: Available in Arabic, German, English, French, Russian, and Chinese
- **Alternative Software**: Listed on [AlternativeTo](https://alternativeto.net/software/duplicati/)
- **Source Code Repository**: [GitHub](https://github.com/duplicati/duplicati)
- **AUR Packages**: `duplicati2-beta`, `duplicati-latest`
- **Chocolatey Package**: Available for Windows installation
- **Repology Project**: Tracks versions across distributions

## FAQs
**What is Duplicati?**
Duplicati is free backup software that supports encrypted backups across multiple platforms, including Linux, Windows, and macOS. It is licensed under the GNU Lesser General Public License, version 2.1.

**Which operating systems does Duplicati support?**
Duplicati runs on Linux, Microsoft Windows, and macOS, making it compatible with a wide range of devices.

**What is the latest stable version of Duplicati?**
The latest stable version is 2.1.0.5, released on March 5, 2025, and verified on April 30, 2025.

**Is Duplicati free to use?**
Yes, Duplicati is free software distributed under the GNU Lesser General Public License, version 2.1.

**Where can I find the source code for Duplicati?**
The source code is available on [GitHub](https://github.com/duplicati/duplicati).

**How do I report issues with Duplicati?**
Issues can be reported on the [Duplicati GitHub Issues page](https://github.com/duplicati/duplicati/issues).

**Where can I find the user manual for Duplicati?**
The user manual is available on the [Duplicati Documentation site](https://duplicati.readthedocs.io/en/latest/).

## Why It Matters
Duplicati provides a robust solution for encrypted backups, ensuring data security across multiple platforms. Its open-source nature allows users to freely modify and distribute the software, making it a flexible tool for personal and enterprise use. The software supports various storage backends, making it adaptable to different user needs. Its active development and community support ensure continuous improvements and bug fixes, maintaining its relevance in the backup software market.

## Notable For
- **Cross-Platform Support**: Works on Linux, Windows, and macOS.
- **Open-Source License**: Distributed under GNU LGPL, version 2.1.
- **Encrypted Backups**: Ensures data security through encryption.
- **Active Development**: Regular updates and bug fixes.
- **Community-Driven**: Supported by a community of users and contributors.

## Body
### Overview
Duplicati is an open-source backup software designed to create encrypted backups and supports multiple storage backends. It is licensed under the GNU Lesser General Public License, version 2.1, allowing users to freely run, study, change, and distribute the software.

### History
- **Initial Release**: Version 1.0 was released on June 14, 2009.
- **Major Versions**: Subsequent versions include 1.2, 1.3, and 2.0, with the latest stable version being 2.1.0.5, released on March 5, 2025.
- **Development**: The software has undergone continuous development, with beta versions and bug-fix releases available.

### Platforms
- **Linux**: Supported since inception, with a Unix-like operating system family.
- **Microsoft Windows**: Supported since 1985, with a family of operating systems developed by Microsoft.
- **macOS**: Supported since March 24, 2001, an operating system for Apple computers.

### Licensing
- **License Type**: GNU Lesser General Public License, version 2.1.
- **License URL**: [GitHub License](https://github.com/duplicati/duplicati)

### Versions
- **Stable Versions**: 1.3.4 (February 2, 2013), 2.1.0.5 (March 5, 2025).
- **Beta Versions**: 2.0 (June 21, 2014), 2.0.1.61 (May 30, 2017), 2.0.6.100 (August 11, 2021), 2.0.7.1 (May 25, 2023), 2.1.0.2 (November 29, 2024).
- **Pre-Release Versions**: 2.0.7.2 (May 25, 2023).
- **Bug-Fix Releases**: 2.0.7.100 (December 27, 2023).

### Community and Support
- **Issue Tracking**: [GitHub Issues](https://github.com/duplicati/duplicati/issues).
- **User Manual**: [Duplicati Documentation](https://duplicati.readthedocs.io/en/latest/).
- **Wikipedia**: Available in multiple languages, including Arabic, German, English, French, Russian, and Chinese.
- **Alternative Software**: Listed on [AlternativeTo](https://alternativeto.net/software/duplicati/).

### Installation and Distribution
- **AUR Packages**: `duplicati2-beta`, `duplicati-latest`.
- **Chocolatey Package**: Available for Windows installation.
- **Repology Project**: Tracks versions across distributions.

### Technical Details
- **Programming Language**: Not explicitly stated, but source code is available on [GitHub](https://github.com/duplicati/duplicati).
- **Source Code Repository**: [GitHub](https://github.com/duplicati/duplicati).
- **Website**: [Duplicati Official Site](https://www.duplicati.com) (English).

### Significance
Duplicati's cross-platform support and encrypted backup capabilities make it a valuable tool for data protection. Its open-source nature ensures transparency and community-driven improvements, making it a reliable choice for both personal and enterprise use. The software's active development and support contribute to its continued relevance in the backup software market.

## References

1. [2025](https://github.com/EvanLi/Github-Ranking/blob/master/Data/github-ranking-2025-07-06.csv)
2. [Duplicati 1.3.4 available](http://www.duplicati.com/news/duplicati134available)
3. [Release 1.3.4. 2013](https://github.com/duplicati/duplicati/releases/tag/1.3.4)
4. [Duplicati 2.0 experimental release (with UI)](http://www.duplicati.com/news/duplicati20experimentalreleasewithui)
5. [Source](https://github.com/duplicati/duplicati/releases/tag/v2.0.1.61-2.0.1.61_experimental_2017-05-30)
6. [Release 1.3.2. 2012](https://github.com/duplicati/duplicati/releases/tag/1.3.2)
7. [Release 1.3.3. 2012](https://github.com/duplicati/duplicati/releases/tag/1.3.3)
8. [Release 1.0. 2009](https://github.com/duplicati/duplicati/releases/tag/1.0-final)
9. [Release 1.2. 2011](https://github.com/duplicati/duplicati/releases/tag/1.2-final)
10. [Release 1.2.1. 2011](https://github.com/duplicati/duplicati/releases/tag/1.2.1-final)
11. [Release 1.2.2. 2011](https://github.com/duplicati/duplicati/releases/tag/1.2.2-final)
12. [Release 1.3. 2011](https://github.com/duplicati/duplicati/releases/tag/1.3-final)
13. [Release 1.3.1. 2012](https://github.com/duplicati/duplicati/releases/tag/1.3.1-final)
14. [Source](https://github.com/duplicati/duplicati/releases/tag/v2.0.4.30-2.0.4.30_canary_2019-09-20)
15. [Source](https://github.com/duplicati/duplicati/releases/tag/v2.0.6.100-2.0.6.100_canary_2021-08-11)
16. [Source](https://github.com/duplicati/duplicati/releases/tag/v2.0.7.1-2.0.7.1_beta_2023-05-25)
17. [Source](https://github.com/duplicati/duplicati/releases/tag/v2.0.7.2-2.0.7.2_canary_2023-05-25)
18. [Source](https://github.com/duplicati/duplicati/releases/tag/v2.0.7.100-2.0.7.100_canary_2023-12-27)
19. [v2.1.0.2_beta_2024-11-29](https://github.com/duplicati/duplicati/releases/tag/v2.1.0.2_beta_2024-11-29)
20. [v2.1.0.5_stable_2025-03-04](https://github.com/duplicati/duplicati/releases/tag/v2.1.0.5_stable_2025-03-04)
21. [Source](https://github.com/duplicati/duplicati)