Our work

  • Project


    Backend For Frontend

    The largest hotel group in Europe approached us to assist in resolving delivery and performance issues with their mobile app development.

  • Project


    Income Prediction Tool

    IAD disrupts traditional real estate by fostering independent consultants and enhancing their experience with a Marmelab-created revenue simulator.

  • Product



    We've built a SaaS offering for developers, to let them measure the CO2 emissions of their websites. It runs in any CI pipeline to detect and warn about increase in CO2 footprint before deployment.

  • Project

    ARTE, the European culture TV channel

    Video Replay Site Arte.tv

    A dedicated team of Marmelab developers has rebuilt the Arte.tv frontend from scratch and still maintains it, using full-stack JS technologies like React.js, Node.js, and GraphQL.

  • Product


    React Admin

    We've developed a client-side admin framework, which reuses existing REST or GraphQL APIs. React.js, Redux, Material Design, and modern development practices make a fabulous mix - and it's open-source!

  • Project

    Amnesty International France

    Urgent Actions Network

    How to leverage mobile devices to help save lives? AIF had the intuition that they could engage new supporters to send an email, in their name, to the authorities responsible for human rights violations. We used Lean Startup and cutting-edge technologies to make it a reality.

  • Project

    WALLIX Group

    Session Management Prototype

    Marmelab helped WALLIX Group test an innovative approach to session management. The result is a secure, in-browser rights management platform, coupled with a zero-knowledge cloud service, leveraging recent browser technologies like WebCrypto, WebAuthn, IndexedDB, and web streaming.

  • Project

    Harmonie Mutuelle

    Health expenditures analysis

    Many usage and technical uncertainties: a perfect fit for the marmelab approach. The DataViz project helps the customers of Harmonie Mutuelle align their spending with their actual needs.

  • Project


    Semantic Web CMS

    We've built a new type of content management system for the National Research Department, using Node.js, React.js, MongoDB, Docker, Material Design, and an agile development process.

  • Project

    1859 Cloud

    Responsive App, API & Admin

    A FinTech like no others, 1859 Cloud wanted to build a private club of investors sharing investment ideas for the greater good. We've used Lean Startup and JavaScript to make that possible.

  • Project


    Self-Care Mobile App

    To help their subscribers diagnose problems on their TV installation, Canal+ asked us to build a mobile app that takes control of the set-top-box remotely. We used React.js and Cordova for the frontend, ES6 and Koa for the API, and ng-admin for the admin.

  • Lab work

    Test framework


    A monkey testing library for web apps and Node.js. Use it to check the robustness of web applications by unleashing a horde of undisciplined gremlins!

  • Project


    SensioLabs Insight

    SensioLabs, the creator of the Symfony framework, wanted to pivot from an IT contractor to an editor business model. For their first service, an online static analysis tool for PHP projects, they asked us to bootstrap the project in Lean Startup mode, and assist in the development of the frontend and backend.

  • Project


    TV Audience on mobile

    How to make complex TV audience data available on a smartphone? The French leading TV channel TF1 challenged us to find a fast and usable solution in a week. See what we came up with.

  • Lab work

    Data Visualization


    An interactive visualization for time series, using d3.js. Supports drag and zoom to navigate in time in an intuitive manner.

  • Project

    20 Minutes

    Rebuild The CMS Front & Back

    20 Minutes, the leading free daily newspaper, had to rebuild their CMS from top to bottom to match new customer expectations. But how to do that without any service interruption? We invented the Continuous Migration Process for this occasion.

  • Project



    The famous French bet company rebuilt their main portal using state-of-the-art JavaScript techniques. We've helped them with agile development, Backbone.js, RequireJS, and Mocha.

Inside our lab

Our research and innovation is often open-source, and adds up to more than 80,000 stars on GitHub.

To learn more about our latest innovations, go to github.com/marmelab.

Let's work together on your next project!