.LPR

.LPR file extension

This is the basic program to work with .LPR extension

LEd

LEdLEd project

The program works with the following extensions: mp, mf, lpr, toc, gpr, idx, sty, tex, aux, clo, glo, lof, lot and cls

.LPR extension is also supported by the following programs:

Lazarus

LazarusLazarus project information

A Delphi-compatible cross-platform IDE for Rapid Application Development.
ConceptDraw Project Trial

ConceptDraw Project TrialConceptDrawProject Document