KevlinHenney wrote: ^

• For the Sake of Simplicity (EXE, 1999)
• Omit Needless Code (Overload, 2001)
• The Imperial Clothing Crisis (Overload, 2002)
• Five Possible Things after Breakfast (Artima, 2003)
• Code versus Software (Artima, 2004)
• Five Considerations (ACCU, 2005)
• Why Code Quality Matters (SearchSoftwareQuality, 2008)
• Simplicity before Generality, Use before Reuse (97 Things Every Software Architect Should Know, 2008)

PeterSommerlad wrote: ^

• From Snake-Oil and Silver-Bullets to Agile-Incremental-Iterative-Pattern-oriented
• Decremental Development: Regaining Simplicity in Software

Others wrote: ^

• Brad Appleton on why Simple ain't Easy
• John Maeda's Laws of Simplicity
• Quotations on simplicity in software design
• The Zen of Python
• Complexity and the Wrong Solution
• An interview with Ward Cunningham about The Simplest Thing that Could Possibly Work
• Foreword to Robert Martin's Clean Code by Jim Coplien
• Simplicity is Complicated by Avdi Grimm