December 2025 Edition — Building in Public as a Solo Founder
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Builder's Journey

Product Development

Practical insights on building and launching software products. From ideation to development to marketing and sales, covering the full product lifecycle.

15 articles • Practical tutorials and insights

Practical insights on the full product lifecycle—from initial idea to launched product and beyond. These articles cover ideation techniques, validation approaches, development strategies, launch tactics, and post-launch growth activities. Learn how to decide what to build, validate ideas quickly, ship iteratively, gather meaningful feedback, and prioritize improvements. All guidance is based on real experience building XLNavigator and other products, including both smart decisions and costly mistakes. Discover approaches that work for solo founders with limited resources and time.

Frequently Asked Questions

What stage of product development do you focus on?

We cover the full lifecycle: ideation, validation, development, launch, and growth. Articles include lessons from building XLNavigator and other products.