Based on this product's specifications, here are some alternatives and similar models
Peripheral Controller Arduino A000053
Summary description:
The Arduino A000053 is a peripheral controller featuring an ATmega32u4 processor with a frequency of 16 MHz and 32 KB of RAM. This compact and powerful board is ideal for various projects requiring efficient processing and connectivity. Its robust architecture allows for seamless integration with other components, making it a versatile choice for developers and hobbyists alike.