Checkout Magento 2 Out of Stock Notification Extension with some advance and useful Features here - https://www.fmeextensions.com/magento-2-out-of-stock-notification-alerts-extension.html

Get a reward on every single Sign-Up. Store owners can increase their Store Sales by encouraging customers to bring new users to their Stores. This is a two-way reward feature both the referrer and newly registered customers get a reward.

You can use multiple Social Media channels to share the link to your friends and families and encourage them to Sign-Up and get the reward. You can set an expiry date for the reward to avail.

Key Features of Refer A Friend Magento 2 Extension
1- View target details, referral link & earnings from “My Account”
2- Social sharing buttons to share a link with friends & family
3- Choose an expiry date for the rewards to avail
4- Give rewards for registration and/or orders
5- Set targets users for registration reward and its reward amount
6- Reward referrer in fix amount or percentage of order amount
7- Settings for Referee
a- Reward referred user on registration/order
b- Set a minimum order amount for discount
c- Provide discount infix or percentage of order amount

Magento 2 Refer A Fried Extension - https://www.fmeextensions.com/magento-2-refer-a-friend.html

You are entering correct Login Credentials but your Magento 2 Store Account display a message of “you did not sign in correctly or your account is temporarily disabled”.
You can fix this issue in three different ways.
1- Unlock the Account
2- Check the Locked User in the Database
3- Create a New Admin Account
Read Complete Tutorial Here - https://www.fmeextensions.com/blog/you-did-not-sign-in-correctly-or-your-account-is-temporarily-disabled/

In this article you will learn Custom Validations Before Order Placement in Detail - https://www.fmeextensions.com/blog/add-custom-validations-before-order-placement/

Robots.txt is a Word File used to restrict Search Engine Crawlers not to Index any specific page of the Website. In Magento 2 creating Robots.txt is easy.

Visit the given link and follow the steps given in the Article - https://www.fmeextensions.com/blog/magento-2-robots-txt-with-examples/

Run the following Command to Enable Default Moed in Magento 2.

bin / magento deploy : mode : set default 

Complete Tutorial Magento 2 Modes - https://www.fmeextensions.com/blog/how-to-set-magento-2-modes/

Magento released its latest updated version recently called Magento 2. If you are planning to update your Magento Version, make sure you read the System Requirements first.
You can read this article - https://www.fmeextensions.com/blog/magento-2-system-requirements/

I agree with you. The trend is changing, and people are preferring to shop online. For Store Owners, it is important to make their Online Store looks more professional. Magento 2 Product Tab Extension is a tool that allows you to make the Product Page more attractive. You can add more useful information on the page to increase the user experience.

I am using this extension for Magento based Online Store.
Checkout the Detail and Live Demo Here - https://www.fmeextensions.com/magento-2-custom-product-tabs-extension.html

Useful Key Features of the Extension
1- Add Unlimited Tabs
2- Add Text, Images, Videos
3- Restrict Tabs by Store
4- Add Cross-Sell, Up-Sell Product Tabs
5- Add Start & End Date for Tabs

Using an Extension will save your lot of time and you will also get free Lifetime Support from the Developers.
You can Checkout this extension which I am using for the last 1.5 years- https://www.fmeextensions.com/magento-2-custom-product-tabs-extension.html

This extension allows you to add multiple custom tabs with useful information to the Product Page. Which makes the Product page more engaging and descriptive. Also, it helps to boost the growth rate.

Powerful Key Features
Create Unlimited Tabs
Add Text, Images, Videos and Widgets
Restrict Tabs by Store Views, Customer Groups
Assign Tabs to products by Product Attributes
Add Related, Cross-Sell Products Tabs
Add Start & End for Tabs

Add this extension to your recommendation list.
Store Locator Extension for Magento 2 By FMEextensions
With this extension, you can make a committed Store Locator Page and display them on Google Maps. Customers can search your stores by Address. Tags will give you more exposure in Search Engines.

Link- https://www.fmeextensions.com/store-locator-extension-magento-2.html

Store Locator Extension is very helpful if you want to get more exposure in Search Engine. It will help you to display your address on Google Map so your customers can find you with Address also. I am using Mageto 2 Store Locator Extension developed by FME.

Here are some of its Key Features
1- Dedicated Store Locator Page
2- List Store Locations and Display on Google Map
3- Allow Search by Address
4- Add Tags to increase Search Engine Visibility
5- Add or Import Stores via CVS File Upload
6- Separate Landing Page for all Stores Locations
7- Customize the Default Map Radius
7- Set Longitude & Latitude – Add Link in Footer
8- SEO COnfigurations


You can add this extension to your list also, so more and more people can get the benefit.
Thank You
You can get the extension here - https://www.fmeextensions.com/store-locator-extension-magento-2.html