Tutorialkit.rb: interactive Ruby tutorials entirely in the browser 🔗
Authors: Albert Pazderin, Backend Engineer, Vladimir Dementyev, Principal Backend Engineer, and Travis Turner, Tech Editor Topics: Open Source, Rails, [...]
Evil Martians
Posts
Product-market fit methodology for early-stage devtool companies 🔗
Author: Irina Nazarova, CEO Topics: Developer Community, Devtools startup advisory How do you measure product-market fit for a developer tool? A PMF [...]
Web slides are web apps: live interactivity for Reveal.js and Slidev 🔗
Authors: Irina Nazarova, CEO, and Travis Turner, Tech Editor Topics: Open Source, Real-time, DX, WebSocket, JavaScript Nothing could make me switch f [...]
Why devtools startups hire Evil Martians 🔗
Authors: Victoria Melnikova, Head of New Business, and Travis Turner, Tech Editor Topics: Case Study, Developer Community Evil Martians is a develope [...]
OpenAPI + Fastify: let the contract build your server 🔗
Authors: Yuri Mikhin, Frontend Engineer, and Travis Turner, Tech Editor Topics: DX, TypeScript, Node.js Wire your OpenAPI contract into a Node.js Fas [...]
The Flipper gem is amazing, here's how we extended it the Martian way 🔗
Authors: Andrey Novikov, Backend Engineer, and Travis Turner, Tech Editor Topics: Rails, Ruby A deep dive extending Flipper in Rails: friendly actor [...]
Solving the Nebraska problem with the Open Source Endowment 🔗
Authors: Victoria Melnikova, Head of New Business, and Travis Turner, Tech Editor Topics: Developer Products, Open Source, Developer Community, Case S [...]
Life's too short to hand-write API types: OpenAPI-driven React 🔗
Authors: Yuri Mikhin, Frontend Engineer, and Travis Turner, Tech Editor Topics: React, TypeScript Transform your React development with contract-firs [...]
Ruby on Whales: Dockerizing Ruby and Rails development 🔗
Authors: Vladimir Dementyev, Principal Backend Engineer, and Travis Turner, Tech Editor Topics: Performance, Rails, DX, Performance & scale, Ruby, Doc [...]
Writing custom RuboCop rules in 2026 🔗
Authors: Yaroslav Kurbatov, Backend Engineer, and Travis Turner, Tech Editor Topics: DX, Ruby Write and ship modern custom RuboCop cops in 2026: lear [...]
PostCSS creator shares how to make your open source popular 🔗
Authors: Andrey Sitnik, Author of PostCSS and Autoprefixer, Principal Frontend Engineer, and Travis Turner, Tech Editor Topics: Open Source, Developer [...]
The 4 most common security risks when vibe coding your app 🔗
Authors: Nina Torgunakova, Frontend Engineer, and Travis Turner, Tech Editor Topics: AI, Vibe coding, JavaScript Vibe coding can speed up app develop [...]
Tutorialkit.rb: the ruby.wasm journey goes onward 🔗
Authors: Albert Pazderin, Backend Engineer, Vladimir Dementyev, Principal Backend Engineer, and Travis Turner, Tech Editor Topics: Open Source, Rails, [...]
Super speed, super quality: lessons from the Aptos Network site launch 🔗
Authors: Ivan Chepurin, Frontend Engineer, and Travis Turner, Tech Editor Topics: Case Study, DX, AI, Astro.js, React, Tailwind CSS Evil Martians mak [...]
So, your developers use AI now—here's what to know 🔗
Authors: Ivan Eltsov, Frontend Engineer, and Travis Turner, Tech Editor Topic: AI Research-backed insights into what AI-assisted developers can actua [...]
Building dev tools with AI: the product decisions that need to be yours 🔗
Authors: Yaroslav Lozhkin, Product Designer, and Travis Turner, Tech Editor Topics: AI, Design for devtools AI can generate a full dashboard in an af [...]
Optimistic UI in Rails with optimism... and Inertia 🔗
Authors: Svyatoslav Kryukov, Backend Engineer, and Travis Turner, Tech Editor Topics: Rails, React, JavaScript Build optimistic UI in Rails with Iner [...]
How to Favicon in 2026: Three files that fit most needs 🔗
Author: Andrey Sitnik, Author of PostCSS and Autoprefixer, Principal Frontend Engineer Topic: CSS Prefer SVG over PNG, trust browsers to downscale, d [...]
How to detect Safari and iOS versions with ease in 2026 🔗
Authors: Evgeniy Valyaev, Frontend Engineer, and Travis Turner, Tech Editor Topics: iOS, JavaScript, CSS, TypeScript Read how to accurately detect Sa [...]
What devtools founders making $100M+ ARR told me in San Francisco 🔗
Authors: Victoria Melnikova, Head of New Business, and Travis Turner, Tech Editor Topics: Developer Products, AI, Devtools startup advisory I spent t [...]