The Anet a8 was made for the tinkerer in mind. This printer pretty much requires the user to build it completely by themselves, thus allowing for customizability and modifications. One of the biggest points about this printer is that not only is it great for understanding how 3D printers work, but it is also a very affordable 3D printer that is capable of doing the same prints that more expensive printers are usually tasked with. This printer goes for roughly $140USD.
The Ender 3 Pro is pretty much the staple when it comes to 3D printing, with amazing customer support and a growing community of users in the 3D printing world. The printer is highly affordable while allowing people to make large prints on it along with being relatively straightforward. This printer is pretty much one of the most popular go-to printers in the 3D printing community for its vast capabilities and its cheap price point of $200USD.
Dual extruder printers are very useful for 3D printers that really push the boundaries on 3D printing because not only do they allow prints to go faster, but they also allow people to use multiple filaments at the same time, which is amazing. These kinds of printers also typically allow users to print out larger pieces along with being able to work with different kinds of filament. Of course with all these features and capabilities, it does have a higher price point compared to what the average consumer would spend on a 3D printer for home use. Its realitve price point is $500USD.
This resin printer utilizes UV lasers to cure the resin inside. To use one of these one would need a resin compound that is made for 3D resin printing. Perfect for those who want to print out highly detailed sculpture or characters for their next table top game that uses miniatures. With this though, resin printers do typically cost more as the cheapest resin printer has been known to go for around $200USD minimum. Thankfully, this unit goes for $240USD, so not bad for the pricepoint of high detail prints.
The answer is yes, there are many more kinds of printers that exist. Though they may not be available to the average consumer, such as certain printers that are capable of working on metal powder. These are usually sold to companies rather than individuals, especially with their higher price point. If you would like to know more, then check out this webpage that goes in depth with examples about all the different kinds of printing.