How many types of Mechanical Keyboards switches?

There are several types of mechanical keyboard switches available on the market, and the most popular ones are:

1. Cherry MX: These are considered the gold standard of mechanical switches and are available in various colors, each with different characteristics, such as Cherry MX Blue, Brown, Red, and Black.
2. Kailh: These switches are very similar to Cherry MX switches, but they are generally less expensive.
3. Gateron: These switches are known for their smooth keystrokes and have gained popularity in recent years.
4. Topre: These switches use a different technology than Cherry MX switches and are known for their tactile feel and quiet operation.
5. Alps: These switches were popular in older keyboards but are now less common. They have a tactile feel and are known for their durability.
6. Buckling Spring: These switches were used in the classic IBM Model M keyboard and are known for their loud clicky sound and tactile feel.
7. Razer: These switches were designed by Razer and are available in Green, Orange, and Yellow variants, each with different characteristics.

Overall, the choice of switch type will depend on personal preference, as each type has its own unique feel and characteristics.