> For the complete documentation index, see [llms.txt](https://saral.sunbird.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://saral.sunbird.org/learn/software-requirement.md).

# Software Requirement

Software Requirement for Development or Maintenance

| Technology       | Purpose                                                                                                                                   | Reference                                           |
| ---------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------- |
| **OpenCV**       | Real time computer vision technology for OCR use cases.Used in Saral App to capture ROI(Region Of Interest) images for AI/ML predictions. | [https://opencv.org/](https://opencv.org)           |
| **TensorFlow**   | Machine Learning Platform for OCR use cases.Used in Saral App development.                                                                | [https://tensorflow.org/](https://tensorflow.org)   |
| **Android**      | Andorid App Development.Used in Saral App development.                                                                                    | [https://www.android.com/](https://www.android.com) |
| **React Native** | Reactive Native App development.Used in Saral App development.                                                                            | [https://reactnative.dev/](https://reactnative.dev) |
| **MongoDB**      | Backend data store **(Reference backend Implementation)**                                                                                 | [https://www.mongodb.com/](https://www.mongodb.com) |
| **Docker**       | DevOps **(Reference backend Implementation)**                                                                                             | [https://www.docker.com/](https://www.docker.com)   |
| **NodeJS**       | **Reference backend API Implementation**                                                                                                  | <https://nodejs.org/en/>                            |
| **Java 8**       | Android Layer code in SaralSDK , OpenCV Libraries                                                                                         | <https://www.java.com/>                             |


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