Keypunch was founded by Paul Rinde in 1984, and that he sold the company in 1989.
A budget ($10 - $15) software company, specializing in repackaging shareware for POS displays and developing custom games and productivity tools under the "Keypunch" (productivity), "Box Office" (licensed entertainment), and "Vision" (education) software lines.

Keypunch was one of the earliest shareware distributors, and occasionally redistributed commercial software as well. The company was based in Minnesota, USA.

Games
My Math Tutor (1983)
Sorcerer of Claymorgue Castle (1983)
World's Greatest Baseball Game, The (1989)
Trantor the Last Stormtrooper (1989)
USS Stinger (1989)
Dream Warrior (1989)
Santa Paravia and Fiumaccio (1988)
Subnodule (1987)
Saboteur II (1987)
Pirates of the Barbary Coast (1987)
Black Monday (1987)
Space Battles (1987)
Aliants: The Desperate Battle For Earth! (1987)
Sports Spectacular (1987)
Fantasy Pak (1987)
Pro-League Baseball (1987)
Sink The Bizmark (1986)
Swords of Glass (1986)
Diamond Digger (1986)
Block Five (1986)
Maze Adventures (1986)
Maze Runner (1986)
Arcade Bonanza (1986)

Postal Address (1993):

Keypunch Software
P.O. Box 4185
Monticello, MN 55362
U.S.A.

Keypunch Software
1221 Pioneer Building
St. Paul, MN 55101
(612) 292-1490
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Keypunch was a mass-producer of budget software, famous for selling multiple games on one disk and for never including any instructions.