Trusted by fast-moving teams
Legacy refactors shipped in safe, reviewable steps
Legacy code should not stay fragile because refactors feel too risky. Rosvelt modernizes it through small, tested pieces of completed work for review while the product roadmap keeps moving.
Problem
Legacy code stays fragile because every cleanup feels risky. Teams know what should be modernized, but the rewrite is too large, the tests are incomplete, and feature work always wins.
How it works
Rosvelt breaks legacy cleanup into controlled delivery steps: understand the existing behavior, strengthen or add tests, refactor the smallest safe slice, and return completed work your team can confidently review.
Tickets
Track scoped work, ownership, progress, blockers, and review in one board.
What you get
A steady modernization path that improves maintainability while protecting current behavior and keeping product delivery moving.
Review before you merge
Each refactor is scoped for human confidence: clear intent, focused diff, tests, and a preview when behavior needs validation.
Each refactor arrives as a focused completed update with tests and a live preview. Read the diff, confirm behavior is unchanged, and request tweaks in the thread before merging.
Preview
Inspect the result, request edits, and move it forward without changing tools.
Why it's different
Modernization without the big-bang risk.
With Rosvelt
Doing it yourself
See it in action
Watch legacy code modernize in safe, reviewable steps.
Keep exploring
Product
Use cases
Security for real code and real teams.
SOC 2 in progress. Your code lives in your GitHub and never trains a model.