Gemstone

Development

Group

TM

Gemstone LOGO

1-815-861-3583

 

donfstrauss@gmail.com

dfstrauss@hotmail.com

 

Oshkosh North High School

 

Class of 1976

 

Save the Date:

 

Friday August 21st 2026

 

"Nifty Fifty"

 

Content Coming SOON !!

 

Gemstone Group Inc.

Creatied Projects by contract.

Gemstone Group Inc. Stock Certificate
Apple II Card Auto Dailer The Start of Crazy
Apple II Auto Ram Card 1MegaByte
Internal Layers of layer PCB Johnathan Project
Apple II PCB Johnathan Project Main CPU
Apple II PCB Johnathan Project CD Rom Controller CPU

 

17515 E.Johnson

UNION. IL 60180, USA

 

815-923-2401 Home

815-861-3583 CELL

 

donfstrauss@gmail.com

dfs.sbc.dev@gmail.con

d.f.strauss57@gmail.com

dfstrauss@hotmail.com

 

SBC @ MKS

Empowering Developers Worldwide

Join Our Developer Community

Explore the vibrant world of GDG, where developers connect, learn, and build cutting-edge technology solutions together. Join us to enhance your skills and contribute to open-source projects.

Our Initiatives

GDG is a global network of passionate developers committed to sharing knowledge, hosting events, and supporting innovation in programming and technology.

About GDG

Our community thrives on collaboration, offering workshops, hackathons, and meetups that empower developers to grow professionally and personally.

Innovative Tech Ideas

From beginner-friendly coding sessions to advanced tech talks, GDG provides a platform for all developers to explore new ideas and technologies.

What We Offer

3,500+

Active Members

120

Events Hosted

50+

Local Chapters

200+

Open Source Projects

Community Voices & Feedback

Stay updated with the latest GDG events, workshops, and tech talks designed to inspire and educate developers of all levels.

Discover how GDG fosters collaboration and innovation through hands-on coding sessions and networking opportunities.