# Parsifal

> Systematic review software tool

**Wikidata**: [Q110539692](https://www.wikidata.org/wiki/Q110539692)  
**Source**: https://4ort.xyz/entity/parsifal-q110539692

## Summary
Parsifal is a free, open-source web application designed to assist researchers in conducting systematic literature reviews. Developed in Brazil and licensed under the MIT License, the software provides tools for managing and organizing the systematic review process through a standard web browser.

## Key Facts
- **Type**: Systematic review software tool
- **License**: MIT License (open source)
- **Cost**: Free (price: 0)
- **Platform**: Web browser compatible
- **Website**: https://parsif.al/
- **Source Code**: https://github.com/vitorfs/parsifal
- **Country of Origin**: Brazil
- **Latest Version**: 2.2.0 (released August 14, 2022)
- **Initial Release**: Version 1.0 (released August 28, 2021)
- **Copyright Status**: Copyrighted

## FAQs
### Q: Is Parsifal free to use?
A: Yes, Parsifal is completely free (price: 0) and is released under the MIT License, which allows users to use, modify, and distribute the software freely.

### Q: What do I need to run Parsifal?
A: Parsifal is compatible with web browsers, meaning it can be accessed through any standard web browser without requiring specialized software installation.

### Q: Where can I find Parsifal's source code?
A: The source code for Parsifal is publicly available on GitHub at https://github.com/vitorfs/parsifal under the MIT License.

## Why It Matters
Parsifal addresses a critical need in the academic and research community by providing accessible tools for conducting systematic literature reviews—a fundamental methodology in evidence-based research across medicine, social sciences, and technology. By offering a free, open-source alternative to often expensive proprietary solutions, Parsifal democratizes access to systematic review tools, particularly benefiting researchers, students, and institutions in resource-constrained environments.

Developed in Brazil, Parsifal represents a contribution to the global open-source research software ecosystem. Its web-based architecture eliminates platform dependencies, allowing collaborative teams to work together regardless of their operating systems. The software's rapid development cycle—from version 1.0 in August 2021 to version 2.2.0 by August 2022—demonstrates active maintenance and responsiveness to user needs. This ongoing development is crucial for research tools, which must adapt to evolving methodological standards and user requirements. As systematic reviews become increasingly important in policy-making and clinical guidelines, tools like Parsifal play an essential role in ensuring that rigorous evidence synthesis remains accessible to researchers worldwide.

## Notable For
- **Zero Cost**: Completely free under MIT License, removing financial barriers for researchers
- **Rapid Release Cycle**: 11 versions released between August 2021 and August 2022
- **Browser-Based**: No installation required; accessible from any web browser
- **Brazilian Open-Source Project**: Represents Brazil's contribution to global research infrastructure
- **Active Development**: Multiple iterations within first year, indicating ongoing maintenance

## Body

### Version History and Development Timeline
Parsifal's development shows a concentrated period of releases in 2021 followed by a major update in 2022:

**2021 Releases:**
- **Version 1.0**: August 28, 2021 (initial release)
- **Version 2.0**: September 5, 2021
- **Version 2.0.1**: September 7, 2021
- **Version 2.0.2**: September 8, 2021
- **Version 2.0.3**: September 9, 2021
- **Version 2.0.4**: September 10, 2021
- **Version 2.0.5**: September 10, 2021
- **Version 2.1**: September 12, 2021
- **Version 2.1.1**: September 29, 2021

**2022 Release:**
- **Version 2.2.0**: August 14, 2022 (current/preferred version)

### Technical Specifications
- **License**: MIT License
- **Price**: 0 (free)
- **Platform Compatibility**: Web browser
- **Instance Classification**: Software
- **Copyright Status**: Copyrighted
- **Repository Platform**: GitHub
- **Website URL**: https://parsif.al/

### Classification and Relationships
Parsifal is classified as software—a non-tangible executable component of a computer system. It is specifically categorized as a systematic review software tool, designed to support the methodology of systematic literature reviews in academic and research contexts.

## References

1. [Release 1.0. 2021](https://github.com/vitorfs/parsifal/releases/tag/v1.0)
2. [Release 2.0. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.0)
3. [Release 2.0.1. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.0.1)
4. [Release 2.0.2. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.0.2)
5. [Release 2.0.3. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.0.3)
6. [Release 2.0.4. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.0.4)
7. [Release 2.0.5. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.0.5)
8. [Release 2.1. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.1)
9. [Release 2.1.1. 2021](https://github.com/vitorfs/parsifal/releases/tag/v2.1.1)
10. [Release 2.2.0. 2022](https://github.com/vitorfs/parsifal/releases/tag/v2.2.0)
11. [Release 2.2.1. 2026](https://github.com/vitorfs/parsifal/releases/tag/v2.2.1)
12. [Source](https://api.github.com/repos/vitorfs/parsifal)