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1st Aid HFS is a disk utility diagnostic and repair tool for old HFS format used before Mac OS 8.5.
1st_Aid_HFS_2.9.1.sit (71.48 KiB / 73.19 KB)
1st Aid HFS v2.9.1 / compressed w/ Stuffit
1st-aid-HFS-2-8.sit.hqx (92.33 KiB / 94.55 KB)
1st Aid HFS v2.8 (1989) / BinHex'd, use Stuffit Expander
Mac OS 6.x - Mac OS 9.2.2
Emulating this? It should run fine under: Basilisk II