Swimm

swimm.io/

Swimm sells legacy-system modernization as a delivered service, not self-serve software: static code analysis plus AI agents plus its own senior engineers work through a fixed four-stage engagement — Assessment, Specification, Modernization, Enablement — for things like COBOL, JCL, PL/I, and monolith-to-microservices migrations. The site leans on a specific, checkable quote from a Top 5 US Bank executive who says Swimm produced "a map of our application which we verified to be 100% accurate," paired with a "100M+ lines of code analyzed" figure. Client logos (BetterHelp, PPG, Akamai, Merck, Fifth Third Bank) and mentions of a "live customer workspace" for tracking progress reinforce that this is positioned as an accountable, staged project rather than a tool you install.

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Swimm - Swimm

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Updated

Sep 22, 2026