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PC-SIG Diskette Library: The (Almost) Complete Collection

The PC Software Interest Group, aka PC-SIG, began distributing public domain software and shareware on 5.25-inch diskettes in the early 1980s, and over the next 10 years or so, the PC-SIG Library grew to thousands of diskettes.

To search the collection, try the new Search feature below.

[PCjs Machine "pcsig"]

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Search the PC-SIG Collection

You can search this entire PC-SIG collection for a filename or a keyword, using the very simplistic search function provided below. Our PC-SIG “database” doesn’t include descriptions of all the disks yet, so results will be incomplete. Stay tuned.

Notes Regarding This Collection

You can browse the collection by diskette:

Disks 1-2485 were initially populated from the PC-SIG Library 9th Edition CD-ROM (December 1990). Note that while the face of the CD-ROM says “April 1990”, the contents are actually circa December 1990.

Some of the disks had issues:

Also, the following disks were apparently “double-zipped”:

The following disks were then “back-filled” from the 8th Edition CD-ROM (April 1990), spanning disks 1-2121, since they had been removed from the 9th Edition:

Why didn’t we simply start with the 8th Edition CD-ROM (April 1990) and then fill in additions from subsequent editions? Because the 8th Edition did not preserve the diskettes as well as later editions; the 9th and later editions used ZIP files to preserve diskettes, whereas the 8th Edition only did so in a few cases (eg, if filenames used characters that weren’t allowed on CD-ROM); those cases are indicated above with an asterisk.

Disks 2486-2804 were populated from the 10th Edition CD-ROM (September 1991).

Disks 2805-3404 were populated from the 12th Edition CD-ROM (March 1993), which was missing the following disks:

Disks 3405-4313 were populated from the 13th Edition CD-ROM (March 1994) – the last known CD-ROM edition. It was missing the following disks:

Last but not least, a small number of original PC-SIG diskettes have been located, so those have replaced the CD-ROM versions, since that’s how the library was originally distributed. Those diskettes include: