# Adaptable Input Output System version 2
**Wikidata**: [Q119841201](https://www.wikidata.org/wiki/Q119841201)  
**Source**: https://4ort.xyz/entity/adaptable-input-output-system-version-2

## Summary
Adaptable Input Output System version 2, also known by the alias ADIOS2, is a software project developed by William Godoy and Norbert Podhorszki. It is a non-tangible executable component of a computer system, released under the Apache Software License 2.0. The software is maintained via a GitHub repository and has an active development history with versions released between 2019 and 2025.

## Key Facts
- **Classification:** Adaptable Input Output System version 2 is an instance of software, defined as a non-tangible executable component of a computer.
- **Alias:** The entity is also known as ADIOS2.
- **License:** It is distributed under the Apache Software License 2.0.
- **Developers:** The primary developers are William Godoy and Norbert Podhorszki.
- **Repository:** Source code is available at https://github.com/ornladios/ADIOS2.
- **Documentation:** The project website is hosted at https://adios2.readthedocs.io/en/latest/index.html.
- **Latest Version:** Version 2.11.0 is the preferred stable version, released on November 16, 2025.
- **Initial Version:** The earliest listed version in the provided history is 2.3.0, released on January 2, 2019.
- **Composition:** As software, it consists of computer programs and data, serving as the functional opposite of computer hardware.
- **Standardization:** It is categorized under Dewey Decimal Classification codes 005.3 and 005.

## FAQs
### Who are the developers of Adaptable Input Output System version 2?
William Godoy and Norbert Podhorszki are the developers of this software.

### What license is Adaptable Input Output System version 2 released under?
The software is released under the Apache Software License 2.0.

### Where can the source code for Adaptable Input Output System version 2 be found?
The source code repository is located at https://github.com/ornladios/ADIOS2.

### What is the latest version of Adaptable Input Output System version 2?
The latest version is 2.11.0, which was released on November 16, 2025.

### What is the difference between Adaptable Input Output System version 2 and hardware?
Adaptable Input Output System version 2 is software, meaning it is a non-tangible executable component, whereas hardware is a physical object.

## Why It Matters
Adaptable Input Output System version 2 serves as a concrete example of software acting as the essential non-tangible element that enables general-purpose computers to function. By providing executable logic and data, it transforms physical hardware into a functional means for solving problems, adhering to the core definition of software as a creative and written work. Its sustained development cycle from 2019 through 2025 reflects the software engineering principles of architecture, quality, and testability. The project's availability under the Apache Software License 2.0 and its presence on GitHub facilitate its use as a tool within the broader digital infrastructure, allowing for continuous updates and community access to its source code.

## Notable For
- **Alias Identification:** Widely recognized by the technical alias ADIOS2.
- **Long-term Development:** Features a comprehensive release history spanning over six years, from version 2.3.0 in 2019 to version 2.11.0 in 2025.
- **Open Source Licensing:** Utilizes the Apache Software License 2.0, defining its distribution and usage rights.
- **Dual Nature:** Exemplifies the software category by being a non-tangible product composed of computer programs and data, distinct from physical hardware.
- **Documentation Infrastructure:** Maintains a dedicated documentation website on Read the Docs alongside its source code repository.

## Body
### Definition and Classification
Adaptable Input Output System version 2 is formally classified as software, a non-tangible executable component of a computer system. As an instance of this category, it functions as a creative and written work that serves as a tool for a computer to perform arithmetic or logical operations. It is defined as the opposite of computer hardware, which is a physical object. The entity is composed of two primary parts: computer programs and data. Within taxonomic structures, it is considered a subclass of creative work, written work, means, and product. It is primarily studied within the academic disciplines of software engineering and software studies.

### Development and Licensing
The software is developed by William Godoy and Norbert Podhorszki. It is made available under the Apache Software License 2.0. The project maintains a source code repository hosted at https://github.com/ornladios/ADIOS2. Additionally, comprehensive documentation and resources are provided through the project website at https://adios2.readthedocs.io/en/latest/index.html. The development process adheres to technical characteristics associated with software, including the maintenance of source code, software architecture, software quality, and testability.

### Version History
The development of Adaptable Input Output System version 2 is marked by a detailed timeline of releases. The earliest version recorded in the provided data is 2.3.0, released on January 2, 2019. Subsequent updates followed in 2019 with version 2.3.1 (February 20) and version 2.4.0 (June 30). Version 2.5.0 was released on October 1, 2019.

Development continued into 2020 with the release of version 2.6.0 on May 31. In 2021, versions 2.7.0 (January 11) and 2.7.1 (February 9) were published. The year 2022 saw a higher frequency of updates, including versions 2.8.0 (March 29), 2.8.1 (June 2), 2.8.2 (July 13), and 2.8.3 (July 29).

In 2023, version 2.9.0 was released on March 30, followed by stable versions 2.9.1 (August 3) and 2.9.2 (November 1). The progression continued in 2024 with stable releases 2.10.0 (April 3), 2.10.1 (May 29), and 2.10.2 (October 26). The most recent release listed is version 2.11.0, marked as the preferred stable version and released on November 16, 2025.

### Technical Characteristics and Context
As a software entity, Adaptable Input Output System version 2 possesses key attributes such as source code and a specific software architecture. It is categorized under Dewey Decimal Classification codes 005.3 and 005, aligning it with standard library and academic systems for computer software. The entity is recognized by global knowledge bases and is documented in specialized thesauri. Its existence as a non-tangible tool allows it to encompass a vast range of capabilities, transforming general-purpose hardware into a specialized instrument for specific operations.

## References

1. [Source](https://api.github.com/repos/ornladios/ADIOS2)
2. [Release 2.3.0. 2019](https://github.com/ornladios/ADIOS2/releases/tag/v2.3.0)
3. [Release 2.3.1. 2019](https://github.com/ornladios/ADIOS2/releases/tag/v2.3.1)
4. [Release 2.4.0. 2019](https://github.com/ornladios/ADIOS2/releases/tag/v2.4.0)
5. [Release 2.5.0. 2019](https://github.com/ornladios/ADIOS2/releases/tag/v2.5.0)
6. [Release 2.6.0. 2020](https://github.com/ornladios/ADIOS2/releases/tag/v2.6.0)
7. [Release 2.7.0. 2021](https://github.com/ornladios/ADIOS2/releases/tag/v2.7.0)
8. [Release 2.7.1. 2021](https://github.com/ornladios/ADIOS2/releases/tag/v2.7.1)
9. [Release 2.8.0. 2022](https://github.com/ornladios/ADIOS2/releases/tag/v2.8.0)
10. [Release 2.8.1. 2022](https://github.com/ornladios/ADIOS2/releases/tag/v2.8.1)
11. [Release 2.8.2. 2022](https://github.com/ornladios/ADIOS2/releases/tag/v2.8.2)
12. [Release 2.8.3. 2022](https://github.com/ornladios/ADIOS2/releases/tag/v2.8.3)
13. [Release 2.9.0. 2023](https://github.com/ornladios/ADIOS2/releases/tag/v2.9.0)
14. [Release 2.9.1. 2023](https://github.com/ornladios/ADIOS2/releases/tag/v2.9.1)
15. [Release 2.9.2. 2023](https://github.com/ornladios/ADIOS2/releases/tag/v2.9.2)
16. [Release 2.10.0. 2024](https://github.com/ornladios/ADIOS2/releases/tag/v2.10.0)
17. [Release 2.10.1. 2024](https://github.com/ornladios/ADIOS2/releases/tag/v2.10.1)
18. [Release 2.10.2. 2024](https://github.com/ornladios/ADIOS2/releases/tag/v2.10.2)
19. [Release 2.11.0. 2025](https://github.com/ornladios/ADIOS2/releases/tag/v2.11.0)