At Evil Martians, when it comes to writing custom software, we have a strong open-source-first culture. This means we’re always thinking about which

Redprints CFP: an open source CFP management app built with Rails + Inertia.js

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2025-08-06 18:30:03

At Evil Martians, when it comes to writing custom software, we have a strong open-source-first culture. This means we’re always thinking about which parts of our projects we can open-source as libraries or tools to share with the community. Our portfolio is massive and very diverse, but it’s missing one particular “species” of open source: full-featured applications. But that changes today! Let’s introduce the Redprints CFP, an open source CFP application powering our recent SF Ruby Conference proposal selection process.

Evil Martians have a long story of building internal projects that serve a number of different needs (from CMS to Slack bots to infrastructure control panels). Until recently, these needs were essentially specific to our business work, and open-sourcing them made little sense. However, after building a CFP app (and seeing others doing the same), we realized that it’s time to make the next move and go public.

Need a custom application or tool for your team or event? We specialize in building developer-focused solutions that work beautifully.

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