Trevor Rosen and James “Egypt” Lee joined the show to talk about Metasploit, a collaboration of the open source community and Rapid7 – its penetration testing software that helps you verify vulnerabilities and manage security assessments.

The entire crew behind Turing-Incomplete podcast joined the show to talk about the history and focus of their show, the ins and outs of technical podcasting, software industry trends, and more.

Carin Meier joined the show to talk about Clojure, ClojureScript, her book Living Clojure, all the fun things she loves about math, physics, and creating a programming language.

Ben Johnson joined the show to talk about BoltDB, InfluxDB, and several other key-value store databases out there and why he’s so passionate about developing open source software.

Thomas Reynolds, the creator of Middleman, joined the show to talk about the history of static site generators, how he got into open-source, his love for Go, and what’s to come in Middleman v4.

Julius Volz from SoundCloud joined the show to talk about Prometheus, an open-source service monitoring system written in Go.

Tobi Knaup, co-founder & CTO of Mesosphere joined the show to talk about the datacenter operating system, and all the open source around it.

Jerod Santo took off his host hat this show and joined Zach Leatherman, and Nick Nisi, his co-organizers of NEJS Conf to talk about JavaScript in the wild in Omaha, Nebraska.

Brian Cardarella joined the show to talk about the bet he’s placed on Elixir and Ember to be the focus of his company.

Jack Lukic is back again to talk about what’s new with Semantic UI, the progress he, 104 contributors, and hundreds of translators have made towards a front-end standard only rivaled by Twitter’s Bootstrap numbers. We discuss the why and the how of him dedicating everything he has to Semantic UI and the potential it brings.

Ilya Grigorik is back again — this time we’re talking about his true passion, internet plumbing, web performance, and the HTTP/2 spec. We cover everything around HTTP/2, the spec, HTTP/1 history, SPDY, binary framing layer, the semantics of HTTP/2, pipelining, multiplexing, header compression (HPACK), server push, TLS, “time to glass”, upgrading, adoption, support, and more.

Henrik Joreteg joined the show to talk about Single Page Apps (SPAs), Ampersand.js, WebRTC, JavaScript coding styles, and more.

Mike Perham joined the show to talk about sustaining open source software, living a healthy life, how to treat one another, and more.

Brian Ketelsen and Erik St. Martin, the organizers of GopherCon, joined the show to talk about what it takes to create and run a conference like GopherCon, the size of the event, the speaking track, after-parties, hack day, workshops, and more. We also covered their focus on diversity with their Diversity Scholarship Support Fund that anyone can support, even those who don’t plan to attend, as well as their child care options to ensure even those with children have the opportunity to attend.

Our guests this week are 2015’s RUBY HEROES! Big show today, lots of great Ruby talk with these heroes, great insights from this past year of Ruby, and more.

Daniel Stenberg joined the show to talk about curl and libcurl and how he has spent at least 2 hours every day for the past 17 years working on and maintaining curl. That’s over 13k hours! We covered the origins of curl, how he chooses projects to work on, why he has remained so dedicated to curl all these years, the various version control systems curl has used, licensing, and more.

This is a bonus clip from the after call with Daniel Stenberg for episode #153. Daniel shared the details of a “magic feature” in cURL that’s been there for over 6 years. It’s a feature he feels most people don’t know exists.

Anders Hejlsberg and Jonathan Turner from the TypeScript team at Microsoft joined the show to talk about TypeScript, a typed superset of JavaScript that compiles to plain JavaScript from Microsoft. We cover Microsoft’s acceptance and support of open source, why they open sourced TypeScript, the language design, adoption, how to get started, and the future of the language.

Steve Klabnik and Yehuda Katz joined the show to talk about the Rust Programming Language, a systems programming language from Mozilla Research. We covered memory safety without garbage collection, security, the Rust 1.0 Beta, getting started with Rust, and we even hypothesize about the future of the Rust.

Zach Supalla joined the show to talk about Spark - a complete, open source, full stack solution for creating amazing internet connected things. We talk about making connected hardware easier, using Kickstarter to fund hardware projects, and Amazon’s new Dash Button. Zach also gave us a crash course on how to get started with making your own hardware.