# Clap

> CLI Framework

**Wikidata**: [Q107030225](https://www.wikidata.org/wiki/Q107030225)  
**Source**: https://4ort.xyz/entity/clap

## Summary
Clap is a CLI (Command Line Interface) framework used for developing command-line applications in Rust. It is free software distributed under permissive licensing terms (Apache Software License 2.0 and MIT License).

## Key Facts
- Clap is a CLI framework specifically designed for the Rust programming language
- It is licensed under both Apache Software License 2.0 and MIT License
- The software runs on Microsoft Windows and Unix-like operating systems
- The source code is hosted on GitHub at https://github.com/clap-rs/clap
- Documentation is available at https://docs.rs/clap
- It has been available on crates.io as the "clap" package
- Multiple versions have been released including 0.8.1 (May 6, 2015) through 0.10.1 (May 26, 2015)
- It is classified as both a software framework and free software

## FAQs
### Q: What programming language is Clap written in?
A: Based on the information provided, Clap is written in Rust, as evidenced by its presence on crates.io with the ID "clap" and the mention of "rust:clap" as its repology project name.

### Q: Where can I find Clap's documentation?
A: Clap's documentation is available at https://docs.rs/clap, though there was a security concern raised in May 2025 about the domain potentially being unsafe.

### Q: How can I contribute to Clap?
A: The source code is hosted on GitHub at https://github.com/clap-rs/clap, where community contributions would typically be accepted and managed.

### Q: When was Clap first released?
A: The earliest version mentioned in the provided information is version 0.8.1, released on May 6, 2015.

## Why It Matters
Clap serves as a fundamental tool for Rust developers creating command-line applications, providing a structured and robust framework for building CLI interfaces. As a free software project with dual licensing (Apache 2.0 and MIT), it promotes open-source development practices and allows for broad adoption in various contexts. Its presence on crates.io and GitHub makes it easily accessible to the Rust ecosystem, facilitating the creation of professional-grade command-line tools that adhere to modern software engineering standards. The framework addresses the common challenges of CLI development such as argument parsing, help generation, and validation, enabling developers to focus on their application logic rather than boilerplate code.

## Notable For
- Being one of the most prominent CLI frameworks specifically designed for the Rust programming language
- Having dual licensing under both Apache Software License 2.0 and MIT License
- Its continuous development and version history from at least 2015 to the present
- Being widely adopted in the Rust ecosystem as evidenced by its presence on crates.io
- Comprehensive documentation available through docs.rs despite security concerns raised in 2025

## Body
### General Information
Clap is a CLI (Command Line Interface) framework that enables developers to build command-line applications using the Rust programming language. It is classified as both a software framework and free software, allowing users to freely run, study, change, and distribute it along with modified versions.

### Licensing
Clap is distributed under dual licensing terms:
- Apache Software License 2.0
- MIT License

### Technical Details
- **Operating Systems**: Compatible with Microsoft Windows and Unix-like operating systems
- **Programming Language**: Rust (as indicated by crates.io ID "clap" and repology project name "rust:clap")
- **Repository**: Source code is available at https://github.com/clap-rs/clap using Git Smart HTTP over TLS
- **Documentation**: Primary documentation is available at https://docs.rs/clap

### Version History
The provided information includes the following versions with their release dates:
- Version 0.8.1: Released May 6, 2015
- Version 0.8.2: Released May 8, 2015
- Version 0.8.3: Released May 12, 2015
- Version 0.8.4: Released May 12, 2015
- Version 0.8.5: Released May 15, 2015
- Version 0.8.6: Released May 17, 2015
- Version 0.9.1: Released May 18, 2015
- Version 0.9.2: Released May 20, 2015
- Version 0.10.0: Released May 23, 2015
- Version 0.10.1: Released May 26, 2015

### Distribution and Availability
- Available on crates.io with ID "clap"
- Listed on Repology with project name "rust:clap"
- Documentation accessible at https://docs.rs/clap
- Security concern noted in May 2025 regarding the potential safety of the clap.rs domain

### Related Entities
- Associated with the "free software" class of software
- Falls under the "software framework" classification
- Runs on Microsoft Windows (first released November 20, 1985)
- Compatible with Unix-like operating systems

## References

1. [Source](https://crates.io/crates/clap)
2. [Release 0.8.1. 2015](https://github.com/clap-rs/clap/releases/tag/v0.8.1)
3. [Release 0.8.2. 2015](https://github.com/clap-rs/clap/releases/tag/v0.8.2)
4. [Release 0.8.3. 2015](https://github.com/clap-rs/clap/releases/tag/v0.8.3)
5. [Release 0.8.4. 2015](https://github.com/clap-rs/clap/releases/tag/v0.8.4)
6. [Release 0.8.5. 2015](https://github.com/clap-rs/clap/releases/tag/v0.8.5)
7. [Release 0.8.6. 2015](https://github.com/clap-rs/clap/releases/tag/v0.8.6)
8. [Release 0.9.1. 2015](https://github.com/clap-rs/clap/releases/tag/v0.9.1)
9. [Release 0.9.2. 2015](https://github.com/clap-rs/clap/releases/tag/v0.9.2)
10. [Release 0.10.0. 2015](https://github.com/clap-rs/clap/releases/tag/v0.10.0)
11. [Release 0.10.1. 2015](https://github.com/clap-rs/clap/releases/tag/v0.10.1)
12. [Release 0.10.2. 2015](https://github.com/clap-rs/clap/releases/tag/v0.10.2)
13. [Release 0.10.3. 2015](https://github.com/clap-rs/clap/releases/tag/v0.10.3)
14. [Release 0.10.5. 2015](https://github.com/clap-rs/clap/releases/tag/v0.10.5)
15. [Release 0.11.0. 2015](https://github.com/clap-rs/clap/releases/tag/v0.11.0)
16. [Release 1.0.0. 2015](https://github.com/clap-rs/clap/releases/tag/v1.0.0)
17. [Release 1.0.1. 2015](https://github.com/clap-rs/clap/releases/tag/v1.0.1)
18. [Release 1.0.2. 2015](https://github.com/clap-rs/clap/releases/tag/v1.0.2)
19. [Release 1.0.3. 2015](https://github.com/clap-rs/clap/releases/tag/v1.0.3)
20. [Release 1.1. 2015](https://github.com/clap-rs/clap/releases/tag/v1.1)
21. [Release 1.1.1. 2015](https://github.com/clap-rs/clap/releases/tag/v1.1.1)
22. [Release 1.1.2. 2015](https://github.com/clap-rs/clap/releases/tag/v1.1.2)
23. [Release 1.1.3. 2015](https://github.com/clap-rs/clap/releases/tag/v1.1.3)
24. [Release 1.1.4. 2015](https://github.com/clap-rs/clap/releases/tag/v1.1.4)
25. [Release 1.1.5. 2015](https://github.com/clap-rs/clap/releases/tag/v1.1.5)
26. [Release 1.1.6. 2015](https://github.com/clap-rs/clap/releases/tag/v1.1.6)
27. [Release 1.2.0. 2015](https://github.com/clap-rs/clap/releases/tag/v1.2.0)
28. [Release 1.2.1. 2015](https://github.com/clap-rs/clap/releases/tag/v1.2.1)
29. [Release 1.2.2. 2015](https://github.com/clap-rs/clap/releases/tag/v1.2.2)
30. [Release 1.2.3. 2015](https://github.com/clap-rs/clap/releases/tag/v1.2.3)
31. [Release 1.2.4. 2015](https://github.com/clap-rs/clap/releases/tag/v1.2.4)
32. [Release 1.2.5. 2015](https://github.com/clap-rs/clap/releases/tag/v1.2.5)
33. [Release 1.3.0. 2015](https://github.com/clap-rs/clap/releases/tag/v1.3.0)
34. [Release 1.3.1. 2015](https://github.com/clap-rs/clap/releases/tag/v1.3.1)
35. [Release 1.3.2. 2015](https://github.com/clap-rs/clap/releases/tag/v1.3.2)
36. [Release 1.4.0. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.0)
37. [Release 1.4.1. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.1)
38. [Release 1.4.2. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.2)
39. [Release 1.4.3. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.3)
40. [Release 1.4.4. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.4)
41. [Release 1.4.5. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.5)
42. [Release 1.4.6. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.6)
43. [Release 1.4.7. 2015](https://github.com/clap-rs/clap/releases/tag/v1.4.7)
44. [Release 1.5.0. 2015](https://github.com/clap-rs/clap/releases/tag/v1.5.0)
45. [Release 1.5.1. 2015](https://github.com/clap-rs/clap/releases/tag/v1.5.1)
46. [Release 1.5.2. 2015](https://github.com/clap-rs/clap/releases/tag/v1.5.2)
47. [Release 1.5.3. 2015](https://github.com/clap-rs/clap/releases/tag/v1.5.3)
48. [Release 1.5.4. 2015](https://github.com/clap-rs/clap/releases/tag/v1.5.4)
49. [Release 1.5.5. 2016](https://github.com/clap-rs/clap/releases/tag/v1.5.5)
50. [Release 2.0.1. 2016](https://github.com/clap-rs/clap/releases/tag/v2.0.1)