The Pragmatic Programmer lists 70 “tips”, some of which are principles as discussed in this wiki:

• Don't Repeat Yourself (tip 11)
• Make It Easy To Reuse (tip 12)
• Eliminate Effects Between Unrelated Things (tip 13)
• Program Close To The Problem Domain (tip 17)
• Keep Knowledge in Plain Text (tip 20)
• Write Code That Writes Code (tip 29)
• Crash Early (tip 32)
• Use Assertions to Prevent the Impossible (tip 33)
• Use Exceptions for Exceptional Problems (tip 34)
• Finish What You Start (tip 35)
• Minimize Coupling Between Modules (tip 36)
• Configure, Don't Integrate (tip 37)
• Put Abstractions In Code, Details In Metadata (tip 38)
• Always Design for Concurrency (tip 41)
• Separate Views From Models (tip 42)
• Abstractions Live Longer than Details (tip 53)