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Companies That Use Flask on Their Websites

Choosing the right technology for building web, mobile or desktop apps is one of the most important challenges for a successful software product development. We’ve gathered a list of popular websites and projects using Flask. You can test these applications, and in some cases even check out their open source code.​

Isoen Energy Solutions

Isoen is the developer of electronic and semiconductor systems for lighting and renewable energy industry. The company manufactures and sells solar panels, as well as develops projects for the use of environmental energy from renewable resources. The site is built with Flask (A Python Microframework).

  • URL: https://www.isoen.eu/

Mailgun Technologies

Mailgun is a service that allows you to send over 250,000 emails per minute. This Powerful API is easy to integrate with many languages and frames. The wraps of this service, developers may not worry about the development of email service, and more time can devote to the development of the site. Using Flask provides simplicity, flexibility and fine-grained control.

  • URL: https://www.mailgun.com/

Emipro Technologies

Emipro was created in 2011 to develop software. Today the company is engaged in building IT-solutions for large corporations, small businesses and startups. The server part of the site is built with Flask, and this framework is widely used by the company in its work.

  • URL: http://www.emiprotechnologies.com/


Blohg.org is a young Polish start-up where technical workers are trying to explain the essence of the latest technology to children, students and adults who lack technical knowledge. The site has a simple structure, users can ask questions through the form on the site. Responses are published in the relevant sections. Flask has become an ideal choice for such a convenient informational site.

  • URL: http://blohg.org/


Twilio was founded in San Francisco in 2007 by Jeff Lawson, Evan Cooke and John Wolthuis. Using this service, you can send and receive text messages or make video calls or calls from the web service APIs. Twilight is easy to integrate with other services. Flask was used when developing the API.

  • URL: https://www.twilio.com/

You might also be interested in: ExtJS, JavaFX, WebGL, Shopify, WooCommerce, WordPress, Angular Websites.