There are many different makes/brands of 3x3x3. The pages within this category summarize the most common types in use today. This is not an exhaustive list, but contains cubes from some of the most popular brands.
The most commonly recommended 3x3x3's as of the year 2018 are:
Or their magnetic counterparts
Pages in category "3x3x3 cubes"
The following 28 pages are in this category, out of 28 total.