As organization continue to grow, they carry baggage of old and outdated applications. These apps often no longer deliver the right or complete value they once were able to. In addition, these apps are no longer supported by the originating developer or even former internal staff.
Re-assess these applications and build a more targeted longer-term solution with Power Platform. Power Apps are a lower cost of entry and don't include multiple or complex outdated programming languages.
By updating your outdated app, you are building for the value you need today and enhancing as your organization grows with this application. In addition, you are not constrained to a black box solution, but a flexible open platform that can be easily adopted by new incoming developers.