Legacy Code: Evolve or Rewrite?

How to replace a legacy system without rewriting it from scratch : r/programming

The challenges of legacy code

Should You Rebuild or Refactor Your Legacy Code? When Does Refactoring Become an Entire Codebase Rewrite?

Code Refactoring: The Cost to Rearchitect Your Codebase

Legacy Code Change Algorithm - Agile in a Flash

How to prevent legacy code from emerging?

How to Test Legacy Code: Best Practices to Follow

Keep Legacy Code or Rewrite? A Middle Way, by Francesca Milan, THRON tech blog

CS 410/510 - Software Engineering class notes

Code rewriting or refactoring? How to work with legacy code?

It Doesn't Have to be Perfect. Legacy code. It's something the “other…, by Joe Crick

You come across this while fixing a legacy web app. This is the source of the bug. What do you do? : r/ProgrammerHumor

Keep Legacy Code or Rewrite? A Middle Way, by Francesca Milan, THRON tech blog