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Curl with Daniel Stenberg

September 23, 2025 · 1 h 1 min

Show notes

Episode 6 – Curl with Daniel Stenberg.

In this episode of netstack.fm, Glen speaks with Daniel Stenberg, the creator and maintainer of Curl, one of the most widely used networking tools on the internet. They discuss Daniel's journey into programming and networking, the evolution of Curl from a simple tool to a comprehensive solution supporting multiple protocols, and the challenges of maintaining such a large open-source project. Daniel shares insights on the importance of community involvement, the complexities of debugging across various platforms, and his reflections on a 30-year journey with Curl. The conversation highlights the significance of open-source contributions and the future of Curl as a project.

Learn more:

Rama

If you like this podcast you might also like our modular network framework in Rust: https://ramaproxy.org


Chapters

  • 00:00 Intro
  • 00:36 Introduction to Curl and Daniel Stenberg
  • 05:20 Understanding Protocols and Specifications
  • 08:10 The Birth of Curl: From IRC Bot to Networking Tool
  • 12:46 Curl's Evolution and Protocol Support
  • 15:58 The Decision to Focus on Client-Side Development
  • 17:40 Current Protocol Support in Curl
  • 22:17 Managing Complexity in Curl's Codebase
  • 25:33 The Choice of C as the Programming Language
  • 28:33 Continuous Development and Community Engagement
  • 30:16 Balancing Work, Family, and Open Source Contributions
  • 36:37 Transitioning to Full-Time Work on Curl
  • 41:38 The Challenge of Funding Open Source Projects
  • 46:44 Exploring Commercial Opportunities with Curl
  • 49:53 Ensuring Curl's Longevity and Succession Planning
  • 51:58 Tackling Technical Challenges in Open Source Development
  • 57:05 Reflecting on a 30-Year Journey with Curl
  • 01:00:07 Outro

Netstack.FM

Music for this episode was composed by Dj Mailbox. Listen to his music at https://on.soundcloud.com/4MRyPSNj8FZoVGpytj.

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