Amazon.com: USB to JTAG UART Module, USB to Serial Port Module, High Speed USB to JTAG UART/FIFO SPI/I2C, Multifunction USB to FIFO SPI/I2C Module, with 3Pin Header : Electronics
USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
USB Port Converter Module, USB To UART IIC SPI TTL ISP EPP MEM CH341A Chip USB Serial Port Adapter With Working Status Indicator For Program Debugging - Walmart.com
UTS2210 USB to SPI SPI Master HID device MCP2210/ | eBay
USB SPI click (MIKROE-1204) | MIKROELEKTRONIKA PCB Extension Board| 156623
Adafruit FT232H Breakout (USB to GPIO, SPI, I²C) | Elektor
DLN-2 USB-I2C/SPI/GPIO Adapter
Usendz@ Uts2210 Usb To Spi Spi Master Hid Device Mcp2210 New Version - Tool Parts - AliExpress
Amazon.com: Stemedu USB to ESP8266 ESP-01 Serial Wireless Transceiver 4MB SPI Flash WiFi Module ESP-01S Prog WiFi Programmer Downloader CH340C Chip with Reset Button : Electronics
Adafruit FT232H Breakout - General Purpose USB to GPIO, SPI, I2C [USB C & Stemma QT] : ID 2264 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits