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sticklebacks
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A Hallmark-style plot generator in COBOL (for PC & MVS) (17)
A simple COBOL program that generates seasonal romantic plots — Christmas and Thanksgiving — using variable templates. Uses SimoTime’s SIMOSUB1 for search/replace.
Who needs AI? By Manny Juan. -
ADVENT74 - A Text Adventure Engine in COBOL (22)
It’s pure COBOL74 — no C, no external libraries, just ACCEPT and DISPLAY . The engine is fully data-driven, with no hard-coded logic. All navigation and win conditions are defined in two external fixed-length files per adventure. A CLIST is included to enable interactive play directly from READY mode in TK4-. The package comes with four complete adventures: Forest, Tower, Temple, and Study. By Manny Juan.
(see the README for TK4- insrtuctions and a mid-game screenshot) -
Big Five Personality Test. (14)
A fully working Big Five (OCEAN) personality assessment — written in COBOL
The scoring follows standard psychometric practice, and it actually works on a real(ish) mainframe. By Manny Juan. -
COBCALC, a general-purpose algebraic expression evaluator in standard COBOL (40)
Originally inspired by a BYTE Magazine article from the 1980s (likely in BASIC), it is implemented in COBOL in the late 1990s. Resurrected, refined, by Manny Juan (a mainframe programmer interested in AI) and released under the GPLv3+; it runs cleanly with GnuCOBOL 3.1+. By Manny Juan. -
Paradigm Corporation (625)
Paul Kimpel runs Paradigm Corporation and maintains a large archive on Unisys MCP. Two Cobol written systems are donated to the community. -
PbSolo (1,212)
Website in Dutch. PbSolo developed over the years Cobol systems for CP/M, msDos, Windows, Novell, Linux, Web. Initiator of 'Project Stickleback'.