We have a special doubleheader holiday show for you. Andrew Nesbitt joined the show to talk about 24 Pull Requests and Libraries.io, and Jonathan Rudenberg is back to catch us up on Flynn.

Dan Abramov, creator of Redux, joined the show to talk about his path to becoming a programmer, his introduction to open source, React, JavaScript, functional programming in JavaScript, his thoughts on looking outside of your bubble to other ecosystems and borrowing/sharing what you can.

László Monda (aka Lotsy) joined the show to talk about a keyboard for hackers — the Ultimate Hacking Keyboard. We discussed the features, the hardware design, the open source that powers it, and more.

Ahmad Nassri from Mashape joined the show to talk about Kong, an open-source management layer for APIs and Microservices.

Evan You joined the show to talk about Vue.js - his library for building web interfaces. We discussed what Vue.js offers, what makes it different, why developers should trust this project even if it’s “just a personal project” that’s not backed by an enterprise or a large team.

Tal Ater joined the show to talk about the offline first revolution, the use of service workers, how UpUp is helping on that front, speech recognition, and annyang.

Sameer Al-Sakran and Tom Robinson from Metabase joined the show to discuss Metabase - their open source tool that’s laying the foundation of their goals for open source business intelligence.

Slava Akhmechet joined the show again to catch us up on RethinkDB and the awesome progress they’ve made to power the realtime web. We talked about innovation in databases, compared and contrasted to pub/sub, Pusher, NoSQL, and even The Next Big Thing™ in databases.

Mitchell Hashimoto joined the show to talk about HashiCorp’s new tool - Otto, how it compares to and compliments Vagrant, Automation, and we even talked to Mitchell about his history with software development in the beginning of the show.

Matt Holt and Sebastian Erhart joined the show to talk about Caddy the HTTP/2 web server written in Go. It’s time to serve the web like it’s 2015!

Eran Hammer joined the show to talk about updates to Hapi.js, Node.js, OAuth, and deep discussions about Oz – Eran’s replacement for OAuth 2.0.

Ron Evans, ringleader of The Hybrid Group and creator of a fleet of open source robot libraries, joined the show to talk about open source and robotics, Cylon.js, Gobot, Artoo, teaching, KidsRuby, his programming hero, and more.

Saron Yitbarek, creator of CodeNewbie and the CodeNewbie podcast, joined the show to talk about helping more people discover software development, embarrassing moments, lessons learned along the way, and more.

Rachel Roumeliotis, the Strategic Content Director at O’Reilly Media, joined the show to talk about the history of OSCON, what you can expect from this year’s conference and the importance of open source software.

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.

Pierre-Olivier Latour joined the show to talk about his history as a software developer - everything from creating Quartz Composer, working at Apple, to his new project GitUp and the user experience of Git.

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.

Peter Bourgon joined the show to talk about building microservices using Go in the modern enterprise and his microservices toolkit Go kit.

Brandon Mathis joined the show to tell us all about the much anticipated 3.0 release of Octopress - his Jekyll-based blogging framework for hackers. Octopress 3.0 is a complete rewrite and has been in the works for quite a while. We find out why Brandon decided to go for The Big Rewrite and what’s been taking so long (hint: it’s not because the dude’s been slackin’).

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.