# Technology Stack

This page lists all the technologies used in building OpenG2P. Free and open-source softwares with clear long-term support availability have been chosen. Certain choices can be replaced with other free or commercial options for deployment.

<table><thead><tr><th>Domain</th><th>Tools/Technologies</th><th width="123">Version</th><th>Licence Type</th></tr></thead><tbody><tr><td>Operating System</td><td>Ubuntu Server</td><td>20.04</td><td>Free</td></tr><tr><td>Business Apps</td><td>Odoo</td><td>15.0</td><td>LGPL</td></tr><tr><td>ID System</td><td>MOSIP</td><td>1.2</td><td>MPL 2.0</td></tr><tr><td>Development - Language Runtime</td><td>Python</td><td>3.5+</td><td><a href="https://docs.python.org/3/license.html#psf-license">PSF License</a></td></tr><tr><td>Database</td><td>Postgres</td><td></td><td>Postgres License BSD 2-clause "Simplified License"</td></tr><tr><td>ID Verification</td><td>MOSIP Token Seeder</td><td></td><td>MPL 2.0</td></tr><tr><td>ID Verification</td><td>eSignet</td><td></td><td>MPL 2.0</td></tr><tr><td>Analytics Engine</td><td>Elasticsearch</td><td></td><td>Elastic License 2.0</td></tr><tr><td>Data streaming</td><td>Debezium</td><td></td><td>Apache 2.0</td></tr><tr><td>Offline data collection</td><td>ODK</td><td></td><td>Apache 2.0</td></tr><tr><td>Visualization</td><td>Kibana</td><td></td><td>Elastic License 2.0</td></tr><tr><td>S3 Storage</td><td>MinIO</td><td></td><td>AGPL 3.0</td></tr><tr><td>Development - API Documentation</td><td>Swagger</td><td></td><td>Apache License 2.0</td></tr><tr><td>Task Management</td><td>Jira</td><td></td><td>Commercial (OpenG2P has a free license)</td></tr><tr><td>Source Code Management</td><td>GitHub</td><td></td><td>Commercial (OpenG2P uses Free plan)</td></tr><tr><td>Deployment</td><td>Docker</td><td></td><td>Apache 2.0</td></tr><tr><td>DevOps tools</td><td>Ansible</td><td></td><td>GNU GPL v3.0</td></tr><tr><td>DevOps tools</td><td>Github actions</td><td></td><td>Free</td></tr><tr><td>DevOps tools</td><td>Prometheus</td><td></td><td>Apache License 2.0</td></tr><tr><td>DevOps tools</td><td>Grafana</td><td></td><td>Apache License 2.0</td></tr><tr><td>Messaging</td><td>Apache Kafka</td><td></td><td>Apache License 2.0</td></tr><tr><td>Web Server/HTTP proxy server</td><td>Nginx</td><td></td><td></td></tr></tbody></table>


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.openg2p.org/1.2/platform/technology-stack.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.