The South Asian Britain: Connecting Histories web resource has been re-platformed using a range of open-source technologies to deliver a scalable, secure, and feature-rich experience. Below is an overview of the key components: 

Web application framework 

• Django (https://www.djangoproject.com/) – a robust Python-based web framework for rapid development. 

• Wagtail CMS (https://wagtail.org/) – A flexible content management system built on Django. 

Database & caching 

• PostgreSQL (https://www.postgresql.org/) – advanced relational database system. 

• Redis (https://redis.io/) – high-performance caching. 

Web server 

• NGINX (https://nginx.org/) – efficient and secure web server for handling HTTP requests. 

Media & visualisation 

• Cantaloupe (https://cantaloupe-project.github.io/) – IIIF server for high-resolution images. 

• Universal Viewer (https://universalviewer.io/) – embedding and viewing high-definition images. 

• Leaflet (https://leafletjs.com/) – interactive mapping library. 

• vis.js (https://visjs.org/) – toolkit for network diagrams and data visualization. 

Analytics 

• GoAccess (https://goaccess.io/) – log based analytics. 

• Matomo (https://matomo.org/) – privacy focused web analytics platform. 

Hosting platform 

• Kubernetes (https://kubernetes.io/) – container orchestration scalable hosting. 

• OpenTofu (https://opentofu.org/) – infrastructure as code for automated deployments. 

• Grafana Loki (https://grafana.com/oss/loki/) – centralised logging.