# Templates, page 34

## Templates Gallery

- ### [Next.js Baselime Template with OpenTelemetry](/templates/next.js/nextjs-baselime-opentelemetry)

    Get started with OpenTelemetry and Real User Monitoring.

- ### [Filtering Query Parameters](/templates/next.js/edge-functions-filter-query-params)

    Learn how to filter query params in Edge Middleware.

- ### [Modifying Request Headers in Middleware](/templates/next.js/edge-functions-modify-request-header)

    Learn to add/update/delete request headers in a middleware.

- ### [Hostname Rewrites using Edge Middleware](/templates/next.js/hostname-rewrites)

    Learn how to programmatically create unique content pages for your users with a multi-tenant infrastructure using Edge Middleware.

- ### [Adding Cookies](/templates/next.js/cookies)

    Read and write cookies directly at the edge.

- ### [Adding Response Headers in Edge Middleware](/templates/next.js/edge-functions-add-header)

    Learn to add response headers at the edge.

- ### [Builder.io Personalization Starter](/templates/next.js/personalization-builder-io)

    Learn how to use Builder.io to personalize your Next.js pages.

- ### [Next.js Highlight Demo](/templates/next.js/nextjs-highlight-demo)

    Next.js application pre-configured with Highlight.

- ### [Evervault: Encryption Starter Kit for Next.js](/templates/next.js/evervault-starter-kit)

    A playground for each of Evervault’s data security and encryption products, built with Next.js and secured with Evervault's SDKs.

- ### [Next.JS ButterCMS Starter Project](/templates/next.js/NextJS-starter-buttercms)

    A fully-functional, drop-in proof-of-concept Next.js app, fully integrated with your ButterCMS account

- ### [Azure CosmosDB - Next.js Starter](/templates/next.js/azure-cosmosdb-nextjs-starter)

    This is a Next.js project that uses @azure/cosmos JS SDK to connect to a Azure Cosmos DB database.

- ### [Flask Alt Text Generator](/templates/python/flask-alt-text-generator)

    A flask API that generates a description for any image.