Wednesday, March 29, 2023
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  • PLoPourri


    In 2022 we are having PLoPourri events again. Click here for a listing of upcoming PLoPourri events. PLoP will also have Paper Tracks this year. Click here for more information on the Paper Tracks.

  • PLoP


    Pattern Languages of Programs (PLoP®) is the premier conference for pattern authors and users to gather, discuss and learn more about patterns. The purpose of PLoP is to promote the development of patterns, pattern languages, technologies and experiences of patterns primarily about software; however, these for domains outside of software are also welcome. Visit the PLoP Official Site,

  • Hillside Sponsored Events

    Hillside Sponsored Events

    The Hillside Group organized the following three events in conjunction with the Agile 20 Reflect Festival. The events are: Making Agile Happen: It's About the People; Pattern Mining Workshop; and a panel on Patterns, Principles and Agile Connections.

  • EuroPLoP


    EuroPLoP is the premier European conference on patterns and pattern languages. The purpose of PLoPs is to promote the development of patterns, pattern languages, technologies, and experiences of patterns. EuroPLoP is usually held at Kloster Irsee, Bavaria, Germany. At this fantastic venue, you will experience a creative and constructive atmosphere that inspires your work. Visit the EuroPLoP Official Site.

  • ScrumPLoP


    ScrumPLoP is a PLoP® conference that is a gathering of experienced Scrum practitioners, assembled with the goal of contributing to the body of pattern literature with proven practices. The purpose of PLoPs is to promote the development of patterns, pattern languages, technologies and experiences of patterns. Read about what a PLoP is here. Visit the ScrumPLoP Official Site.

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The Hillside Mission

The mission of the Hillside Group is to improve the quality of life and society as a whole. This includes architects, developers, managers, owners, workers, educators, students, and more. Understanding and helping the human element is critical for achieving success. The Hillside Group believes in making processes and design more humane by paying attention to real people and existing practices.

The Hillside Group promotes the use of patterns and pattern languages to record, analyze, and share knowledge to help achieve its mission. The Hillside Group sponsors a variety of activities to achieve this mission—organizing workshops, hosting PLoP (pattern) conferences, and producing publications for discussing, recording, and documenting successful practices.

The Hillside Group supports many different conferences such as: PLoP, EuroPLoP, AsianPLoP, VikingPLoP, SugarLoafPLoP, and ChiliPLoP. These conferences focus on writing groups to better improve patterns through group exposure. Each conference offers advanced topics for the more adept pattern writers. Participants have the opportunity to refine and extend their patterns with help from knowledgeable and sympathetic patterns enthusiasts.

Pattern Books

The Design Patterns Book Series showcases many patterns from PLoP conferences and leading experts in the patterns field.

See our Pattern Book Library filled with over 80 Pattern related books.

Patterns Resources

  • Patterns, Principles, and Agile Connections
  • Hillside Fellowship Award
  • PLoP Conference Proceedings
  • Security Patterns in Practice

Patterns, Principles, and Agile Connections Pattern Principles, and Agile Connections

Organizers: Rebecca Wirfs-Brock, Linda Rising, Joseph Yoder,  and Ward Cunningham
      Link to Video of the Panel

Abstract:   Many ideas about agile development have roots in the software patterns and design community. Several early patterns authors have also been influential in the development and discovery of Agile practices. Join us as we share stories about the history and

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The Hillside Fellowship Award

The Hillside Fellowship Program was established in 2016 to recognize members of The Hillside Group who have made exceptional contributions to the Hillside community and to the patterns community at large. The title of Hillside Fellow denotes an outstanding member who has consistently and  repeatedly:  

  • provided excellence in contributions to the patterns body of knowledge
  • advanced the arts,
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PLoP Conference Proceedings

After the PLoP Workshops, writers are encouraged to modify their papers and submit a final version. The final versions are collected and submitted to the ACM Digital Library. The versions are also available from the conference website. 

Conference Proceedings (ACM Digital Library)

Some of the PLoP accepted papers have been published on the  ACM Digital Library . The program committee will

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Security Patterns in Practice

Eduardo Fernandez's new book " Security Patterns in Practice: Designing Secure Architectures with Software Patterns " has been published.


It is the result of 14 years of producing security patterns with students and colleagues. Almost all of these patterns went through PLoP, EuroPLoP, AsianPLoP, or SugarLoafPLoP. Many of you have participated as shepherds or workshop commentators, the book owes something to

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Learn More about Patterns


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