Hi-tech C51 | Windows |

Note: Hi-Tech Software was acquired by Microchip Technology around 2009. The C51 toolchain has since been superseded by Microchip’s XC8 compiler (which now covers 8-bit PIC, AVR, and 8051) or other tools like SDCC. However, legacy users still search for this specific version.

Based on the naming convention, you are likely referring to the (often stylized as HI-TECH C51 ), which was a popular C compiler for the 8051 microcontroller family . hi-tech c51

Before Keil became the king of the 8051, there was Hi-Tech C51. 🦾 Note: Hi-Tech Software was acquired by Microchip Technology