public static string GenerateRandomPassword(PasswordOptions opts = null)
{
    if (opts == null) opts = new PasswordOptions()
    {
        RequiredLength = 8,
        RequiredUniqueChars = 4,
        RequireDigit = true,
        RequireLowercase = true,
        RequireNonAlphanumeric = true,
        RequireUppercase = true
    };
 
    string[] randomChars = new [] {
        "ABCDEFGHJKLMNOPQRSTUVWXYZ",    // uppercase 
        "abcdefghijkmnopqrstuvwxyz",    // lowercase
        "0123456789",                   // digits
        "!@$?_-"                        // non-alphanumeric
    };
    Random rand = new Random(Environment.TickCount);
    List<char> chars = new List<char>();
 
    if (opts.RequireUppercase)
        chars.Insert(rand.Next(0, chars.Count), 
            randomChars[0][rand.Next(0, randomChars[0].Length)]);
 
    if (opts.RequireLowercase)
        chars.Insert(rand.Next(0, chars.Count),
            randomChars[1][rand.Next(0, randomChars[1].Length)]);
 
    if (opts.RequireDigit)
        chars.Insert(rand.Next(0, chars.Count),
            randomChars[2][rand.Next(0, randomChars[2].Length)]);
 
    if (opts.RequireNonAlphanumeric)
        chars.Insert(rand.Next(0, chars.Count),
            randomChars[3][rand.Next(0, randomChars[3].Length)]);
 
    for (int i = chars.Count; i < opts.RequiredLength 
        || chars.Distinct().Count() < opts.RequiredUniqueChars; i++)
    {
        string rcs = randomChars[rand.Next(0, randomChars.Length)];
        chars.Insert(rand.Next(0, chars.Count), 
            rcs[rand.Next(0, rcs.Length)]);
    }
 
    return new string(chars.ToArray());
}

This project is the next generation of the ASP.NET Boilerplate web application framework.

Modular Architecture
Designed as modular and extensible from the bottom to the top.

Microservice Focused
Designed to support microservice architecture and helps to build autonomous microservices.

Domain Driven Design
Designed and developed based on DDD patterns and principles. Provides a layered model for your application.

Authorization
Advanced authorization with user, role and fine-grained permission system. Built on the Microsoft Identity library.

Multi-Tenancy
SaaS applications made easy! Integrated multi-tenancy from database to UI.

Cross Cutting Concerns
Complete infrastructure for authorization, validation, exception handling, caching, audit logging, transaction management and so on. 

“You know nothing , Engineers” — HTTP [Patch] 

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One of my favorite aspects of ASP.NET Core is that it is truly cross platform. And this extends to the developer experience as well. This videos discusses and demonstrates getting started with testing ASP.NET Core MVC applications using the cross-platform tools with the .NET Core SDK,  

Creating First ASP.NET Core 3.0 App with Visual Studio 2019 Preview 

Useful ASP.NET Core 2.2 Features