This paper extends the FAIR (Findable, Accessible, Interoperable, Reusable) guidelines to provide criteria for assessing if software is Open Source. By adding 'USE' (User-Centered, Sustainable, Equitable), software development can adhere to open source best practice by incorporating user-input early on, ensuring front-end designs are accessible to all possible stakeholders, and planning long-term sustainability alongside software design. The FAIR-USE4OS guidelines will allow funders and researchers to more effectively evaluate and plan Open Source software projects. There is good evidence of funders increasingly mandating that all funded research software is open-source; however, even under the FAIR guidelines, this could simply mean software released on GitHub with a Zenodo DOI. By employing the FAIR-USE4OS guidelines, best practice can be demonstrated from the very beginning of the design process and the software has the greatest chance of success by being truly 'Open Source'.

翻译：本文扩展了FAIR（可发现、可访问、可互操作、可复用）准则，提出评估软件是否为开放源码的标准。通过增加"USE"（用户中心、可持续、公平）维度，软件开发能够在早期融入用户反馈，确保前端设计对所有潜在利益相关者可访问，并在软件设计过程中同步规划长期可持续性，从而遵循开源最佳实践。FAIR-USE4OS准则将帮助资助方和研究人员更有效地评估和规划开源软件项目。有充分证据表明，资助方越来越多地要求所有受资助的研究软件采用开源形式；然而，即使在FAIR准则指导下，这也可能仅意味着在GitHub上发布附带Zenodo DOI的软件。通过采用FAIR-USE4OS准则，最佳实践可从设计之初便得以体现，软件也因真正实现"开放源码"而获得最大成功机会。