Evil Martians
We design and develop high performance developer tools that scale
- 65%
- of our clients raise Series A or B within 1–3 years
- 8
- startups grew from seed to unicorn with our help
- 25B+
- total downloads of our open source projects
Solve your problems, ship value
Hire us to take your product from PoC to MVP, iterate to PMF and scale efficiently through explosive growth.
All services
We build developer tools that developers love
We work with 40+ early-stage startups each year. Investors from Conviction, Blossom Capital, SignalFire, Heavybit, Uncork Capital recommend us to their portfolio companies.
- Bolt.newEvil Martians and StackBlitz: tech partners since 2021. Our engineers helped scale their WebContainers platform from pioneering browser IDE to bolt.new—the AI-powered tool that hit $20M+ ARR in just 2 months and disrupted the industry of vibe coding. We've built core infrastructure powering 3M+ monthly developers, from backend Rails to enterprise features and performance optimization. Together, we're transforming how developers build worldwide.
- $113M
- total funding
- Backed
- by GV
- TeleportEvil Martians has partnered with Teleport since 2020, engineering enterprise-ready features for their open-source infrastructure access platform. Our engineering and design teams work across the platform – from architecting the plugin ecosystem and deployment strategies to transforming their documentation into a powerful growth driver with Next.js. Combining deep Go expertise with product thinking, we continue as their technical partner driving R&D initiatives as well as building core features that support their growth..
- Backed
- by Kleiner Perkins, Y Combinator
- $170M
- total funding
- PlaybookSince 2021, Evil Martians has collaborated with Playbook to build a next-generation cloud platform for creatives that serves 700,000+ users worldwide. Our engineering teams have developed their core platform features – from ML-powered visual search and AI-assisted file management to Figma plugin and third-party integrations. Our relationship deepened when Playbook acquired CanFY, an AI assistant platform we incubated, bringing advanced image recognition and natural language processing capabilities to their creative ecosystem.
- $22M+
- total funding
Open Source is in our DNA
Millions of developers use our Open Source projects.
- 122
- projects with
- 175K+
- stars and climbing
- Martian Mono
Martian Mono
Martian Mono is a monospaced version of the Martian Grotesk for code style design. It's the first Evil Martians open source typeface on the market.- 2
- axes of variation
- 2.5K
- stars
- Clean Publish
Clean Publish
A tool for removing configuration files, fields, and development scripts from package.json before publishing to npm.
Read our legendary blog, meet us at events around the world
- We studied 100 dev tool landing pages—here’s what really works in 2025
We studied 100 dev tool landing pages—here’s what really works in 2025
![Cover for We studied 100 dev tool landing pages—here’s what really works in 2025]()
- The early validation lesson: designing Quotient’s prompt sandbox
The early validation lesson: designing Quotient’s prompt sandbox
![Cover for The early validation lesson: designing Quotient’s prompt sandbox]()
- MVPs, prototypes, results: how to win with a Martian Design Sprint
MVPs, prototypes, results: how to win with a Martian Design Sprint
![Cover for MVPs, prototypes, results: how to win with a Martian Design Sprint]()
- Object Detection with Create ML: images and dataset
Object Detection with Create ML: images and dataset
![Cover for Object Detection with Create ML: images and dataset]()
- Michael Magán: time to build user-centric software
Michael Magán: time to build user-centric software
Dev Propulsion Labs![Cover for Michael Magán: time to build user-centric software]()
- Rails Frontend Evolution: It Was a Setup All Along
Rails Frontend Evolution: It Was a Setup All Along
RailsConf 2025![Cover for Rails Frontend Evolution: It Was a Setup All Along]()
