.RCS

.RCS file extension

This is the basic program to work with .RCS extension

Protel 99 SE

Protel 99 SE

The program works with the following extensions: rcs, net, pcb, prj, pld, sch, ddb, lib and sdf

.RCS extension is also supported by the following programs:

EGS Recipe Center

EGS Recipe Center Recipe Center Database

Recipe Center is a freeware version of EGS' recipe management programs.
SaralTDS Corporate

SaralTDS Corporate Relyon Saral TDS Corporates File

RCM

RCM RCM Spell Dictionary

Your grades are entered, comments written and report cards printed.
Mixed-Signal Circuit Simulator

Mixed-Signal Circuit Simulator Protel Resource File