MongoDB is a pretty big part of most of my client JS stacks (including MEAN), and most of my colleges have clients that rely on it as well. It's a reasonable ba

MongoDB is a pretty big part of most of my client JS stacks (including MEAN), and most of my colleges have clients that rely on it as well. It's a reasonable balance of performance and complexity, though it's not a replacement for SQL and key/value stores in all cases.