A comprehensive COBOL mainframe credit card management application designed to showcase AWS mainframe modernization technologies and migration patterns.
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Aug 3, 2025 - COBOL
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Mainframe
A mainframe is a powerful computer system designed for processing large data volumes, supporting multiple users & applications. Known for reliability, security, and scalability, they’re vital in industries like finance & insurance. Typical languages include COBOL, PL/I, and Assembly, with Java and Python gaining popularity.
Here are 24 public repositories matching this topic...
This repository was born during my training taught by Mr Uday Prasad in Open Mainframe Community.
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Mar 14, 2023 - COBOL
Various example GnuCOBOL programs packaged for easy compiling and running using Visual Studio Code.
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Feb 9, 2020 - COBOL
A COBOL program to merge and sort data from multiple input files into a single sorted output file. Demonstrates COBOL file handling and sorting capabilities.
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Nov 28, 2024 - COBOL
Nakshatra Citizen - COBOL PGM to extract dates of birth from BIG DATA in DB2 using SQL queries in batch processing. Displays some analytics, statistics with horizontal bar view and writes them to the QSAM dataset.
statistics sql database big-data analytics cobol dataset batch rdbms data-analysis astrology ibm db2 jcl mainframe zos vedic enterprise-cobol vedic-astrology qsam
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May 7, 2023 - COBOL
Batch and console quiz game about IBM mainframe written in COBOL programming language
game console cobol batch quiz ibm jcl batch-processing mainframe zos quiz-game z-series spool mvs ibm-mainframe system-operator enterprise-cobol batch-app
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Aug 30, 2023 - COBOL
Este repositório é dedicado ao aprendizado e prática da linguagem de programação COBOL. Seja você um programador experiente em busca de ampliar suas habilidades ou um iniciante curioso sobre COBOL, este é o lugar certo para explorar e aprimorar seus conhecimentos.
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Feb 25, 2024 - COBOL
Small COBOL programs for testing purposes
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Jul 24, 2023 - COBOL
This COBOL program, INVESTMENT-REPRT, generates a financial report based on stock portfolio data. It reads stock information and investment records from input files, processes the data to calculate gains/losses, and produces a formatted report showing key investment metrics.
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Mar 31, 2025 - COBOL
Open-source CRM with native COBOL/FORTRAN integration for banks
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Jul 24, 2025 - COBOL
A legacy-inspired fintech repo demonstrating COBOL’s enduring power in modern finance.
simulation cobol fintech retrocomputing command-line-tool mainframe command-line-interface software-archaeology educational-project gnucobol procedural-programming financial-education banking-system cobol-programming legacy-systems vintage-software modern-uses-of-cobol fintrust-cobol
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Aug 7, 2025 - COBOL
COBOL-based core banking simulation for legacy fintechs; model accounts, balances, deposits, transfers, and statements to show robust, credible workflows. 🐙
simulation cobol fintech retrocomputing command-line-tool mainframe software-archaeology educational-project gnucobol procedural-programming financial-education banking-system cobol-programming legacy-systems vintage-software modern-uses-of-cobol fintrust-cobol
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Sep 11, 2025 - COBOL
Most of these projects were created using Visual Studio 2019 with Micro Focus Cobol installed
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Feb 18, 2021 - COBOL