Seeking Legacy Enterprise Software Projects

We have an urgent requirement for legacy enterprise software projects/codebases. We are looking for privately owned repositories with substantial development history, real-world business logic, and genuinely human-developed code.
Preferred Technology Stacks
COBOL
Fortran
RPG
.NET Framework / Classic ASP / VB6 / Legacy C#
Java 7 & earlier
C / C++
Go
Rust
Ruby
Swift
Kotlin
Key Requirements
The project should preferably:
Be a long-running enterprise/business-critical application
Contain substantial real-world business logic
Be genuinely developed and maintained by human developers
Have authentic historical development and maintenance activity
Have meaningful commits, bug fixes, feature enhancements, PRs and issue history
Include multiple generations of architecture/frameworks or migration/modernization history, where applicable
Be a private repository
Have clear ownership, with the owner authorized to license/transfer the codebase
Have commercial usage/transfer rights available if required
No AI-generated, synthetic, artificially created, or recently fabricated development history
Please Share the Following Metadata
Before providing full repository access, kindly share:
Technology stack and versions
Approximate repository age/development period
Business domain
Approximate LOC
Number of contributors
Number of commits
Number of PRs and issues
Brief description of the application
Migration/modernization history, if any
Ownership status and commercial licensing/transfer rights
Repository link
Not Preferred
Open-source repositories
Demo/tutorial/sample projects
Student projects
Small utilities
Recently created repositories
Projects with little or no genuine development history
AI-generated or synthetic codebases/history
Kindly share the metadata for any matching projects you currently have available. We will review the details and shortlist suitable repositories for further evaluation.
Best regards,
Sneha