If you are looking for a software that will bridge your delphi application and your interbase application that is freeware, look no further. I found this program while researching since i cannot install delphi during deployment because it needs a serial key. Now, you don’t need to.
Here are the links. Please try only one. They all link to the same file. But just in case one of the links fail, at least you have other options to reach them.
http://www.indishare.me/crwiuhtl4orc
http://reliablefiles.com/file/36L9867
https://uploadocean.com/4gc6yik3rkk3
https://dailyuploads.net/xiusw41u9hs2
https://www.megaupload.us/1NlI/20180218_Interbase_Server_6.01_IBServer601.7z