This was also one of the old interware sites,
http://www.iijnet.or.jp/interware
So I got these. On first glance they appear to be the same.
└── [ 832 Apr 6 09:14]
"interware_IA"/
├── [ 96 Apr 6 09:14]
"19981202152823"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 20K Apr 6 09:14] "BOOSTERPBv1.1.0.sit.hqx"
├── [ 96 Apr 6 09:14]
"19981206160917"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 33K Apr 6 09:14] "BOOSTERv1.2.0.sit.hqx"
├── [ 96 Apr 6 09:14]
"19981206232438"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"support"/
│ └── [ 96 Apr 6 09:14]
"CinemaGear"/
│ └── [ 19K Apr 6 09:14] "jpgi2mjpa.cpt.hqx"
├── [ 96 Apr 6 09:14]
"19990423223532"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 236 Apr 6 09:14] "BOOSTER750_110b3.sit.hqx"
├── [ 96 Apr 6 09:14]
"19990505193457"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 17K Apr 6 09:14] "BOOSTER6454_102.sit.hqx"
├── [ 96 Apr 6 09:14]
"19990902052211"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 234 Apr 6 09:14] "~DV CinemaGear.sea.hqx"
├── [ 96 Apr 6 09:14]
"19990902060622"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 235 Apr 6 09:14] "DVCinemaGear121.sit.hqx"
├── [ 96 Apr 6 09:14]
"19990902065113"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 239 Apr 6 09:14] "GrandVimage_v1.3.1b.sit.hqx"
├── [ 96 Apr 6 09:14]
"19990902082820"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 236 Apr 6 09:14] "PicPomTV_PCI2_BW.sit.hqx"
├── [ 96 Apr 6 09:14]
"19990902091046"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 234 Apr 6 09:14] "VizItUniversal.sit.hqx"
├── [ 96 Apr 6 09:14]
"19991004110515"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 235 Apr 6 09:14] "BOOSTER6454_102.sit.hqx"
├── [ 96 Apr 6 09:14]
"19991004130605"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 241 Apr 6 09:14] "BOOSTERPB_Checker_101.sit.hqx"
├── [ 96 Apr 6 09:14]
"20000115143606"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 238 Apr 6 09:14] "VIMAGEPCCARD2_Beta.sea.hqx"
├── [ 96 Apr 6 09:14]
"20000422154450"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 232 Apr 6 09:14] "CinemaGearG3.sit.hqx"
├── [ 96 Apr 6 09:14]
"20000516142125"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 232 Apr 6 09:14] "DVCinemaGear.sit.hqx"
├── [ 96 Apr 6 09:14]
"20000709101846"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 235 Apr 6 09:14] "BOOSTERInfo_110.sea.hqx"
├── [ 96 Apr 6 09:14]
"20001101163120"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 235 Apr 6 09:14] "BOOSTERPBv1.1.0.sit.hqx"
├── [ 96 Apr 6 09:14]
"20001101174533"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 243 Apr 6 09:14] "GrandVimage17DUv1.4.1b2.sit.hqx"
├── [ 96 Apr 6 09:14]
"20051224143146"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 242 Apr 6 09:14] "GrandVimage17DUv1.4.1b2.sit.hqx"
├── [ 96 Apr 6 09:14]
"20130204044738"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 237 Apr 6 09:14] "VIMAGEPCCARD11.sit.hqx"
├── [ 96 Apr 6 09:14]
"20130310104902"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 246 Apr 6 09:14] "GrandVimage17DUv1.4.1b2.sit.hqx"
├── [ 96 Apr 6 09:14]
"20130310111855"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 239 Apr 6 09:14] "BOOSTER750_110b3.sit.hqx"
├── [ 96 Apr 6 09:14]
"20130630042601"/
│ └── [ 96 Apr 6 09:14]
"Interware"/
│ └── [ 96 Apr 6 09:14]
"update"/
│ └── [ 232 Apr 6 09:14] "GVMM-VDIG.sit.hqx"
└── [ 96 Apr 6 09:14]
"20130630042737"/
└── [ 96 Apr 6 09:14]
"Interware"/
└── [ 96 Apr 6 09:14]
"update"/
└── [ 234 Apr 6 09:14] "VizItManual.sit.hqx"