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Open Source Articles

Written by thoughtbot, your expert partner for design and development.

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  1. Why Duck Typer?

    Some say interface tests are fragile and shouldn’t be written. I disagree. Here’s why I think they’re worth writing.

    Thiago Araújo Silva
    May 26, 2026
    • Ruby
    • Testing
    • Open Source
    • Design
  2. Why thoughtbot is joining the Ruby Alliance

    thoughtbot is joining the Ruby Alliance, a coalition of companies investing in the long-term sustainability of Ruby infrastructure and the broader ecosystem. Here’s why we believe shared stewardship matters for Ruby’s future.

    Chad Pytel and Ran Craycraft
    May 20, 2026
    • News
    • Ruby
    • Ruby On Rails
    • Open Source
    • Community
  3. PII filtering for RubyLLM with Top Secret

    Automatically filter sensitive information from your RubyLLM conversations before it reaches third-party providers.

    Steve Polito
    April 17, 2026
    • Open Source
    • Artificial Intelligence
    • Language Models
    • Ruby
    • Llm
    • Rubyllm
  4. Announcing Michel: A scheduling gem for health tech

    Remove bottlenecks to booking appointments by enabling self-scheduling within your app.

    Sally Hall
    February 5, 2026
    • Health Tech
    • Databases
    • Ruby On Rails
    • PostgreSQL
    • Open
    • Open Source
    • Performance
    • Web
  5. Rethinking CSS with Roux - debuting at thoughtbot Open Summit

    Remember Bourbon and Bitters? Meet their modern successor: Roux. Elaina Natario talks about her new CSS boilerplate that rethinks how teams structure and scale their styles without needing to reach for frameworks like Tailwind.

    Lindsey Christensen
    October 27, 2025
    • CSS
    • Open Source
    • Events
    • News
  6. Announcing the thoughtbot Open Summit 2025 full schedule

    From the live Administrate 1.0 release to hands-on sessions with factory_bot, Superglue and Active Agent, it’s shaping up to be a full day of open source collaboration. Check out the full lineup.

    Lindsey Christensen
    October 23, 2025
    • Events
    • News
    • Open Source
  7. Releasing v 1.0 of Administrate LIVE at thoughtbot Open Summit

    What if your admin dashboard worked the way Rails does? Administrate 1.0 is coming and it’s shipping live on October 31st at thoughtbot Open Summit.

    Lindsey Christensen
    October 7, 2025
    • Rails
    • Open Source
  8. thoughtbot’s internal consulting course is now public

    After years of learning together with our internal consulting course, we’re making it public to everyone. Learn with thoughtbot.

    Stephanie Kuroda
    October 1, 2025
    • Learning
    • Culture
    • Consulting
    • Open Source
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  9. Introducing Top Secret

    Automatically filter sensitive information before sending it to external services or APIs, such as chatbots and LLMs.

    Steve Polito
    August 22, 2025
    • Open Source
    • Artificial Intelligence
    • Language Models
    • Ruby
  10. Announcing thoughtbot Open Summit 2025: Leading the way in Rails and beyond

    The Ruby community thrives when we build together. On October 31, our free, virtual Summit brings developers, maintainers, and teams worldwide into one space to ship real contributions and make your apps stronger.

    Lindsey Christensen
    August 21, 2025
    • Open Source
    • Rails
    • Events
  11. Sign up to receive a weekly recap from thoughtbot

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