Flask vs Polymer: What are the differences?
Developers describe Flask as "a microframework for Python based on Werkzeug, Jinja 2 and good intentions". Flask is intended for getting started very quickly and was developed with best intentions in mind. On the other hand, Polymer is detailed as "A new library built on top of Web Components, designed to leverage the evolving web platform on modern browsers". Polymer is a new type of library for the web, designed to leverage the existing browser infrastructure to provide the encapsulation and extendability currently only available in JS libraries. Polymer is based on a set of future technologies, including Shadow DOM, Custom Elements and Model Driven Views. Currently these technologies are implemented as polyfills or shims, but as browsers adopt these features natively, the platform code that drives Polymer evacipates, leaving only the value-adds.
Flask can be classified as a tool in the "Microframeworks (Backend)" category, while Polymer is grouped under "Front-End Frameworks".
"Lightweight" is the top reason why over 261 developers like Flask, while over 49 developers mention "Web components" as the leading cause for choosing Polymer.
Flask and Polymer are both open source tools. It seems that Flask with 45.2K GitHub stars and 12.7K forks on GitHub has more adoption than Polymer with 21.1K GitHub stars and 2K GitHub forks.
Netflix, reddit, and Lyft are some of the popular companies that use Flask, whereas Polymer is used by Telemetry, AX Semantics, and USERcycle. Flask has a broader approval, being mentioned in 511 company stacks & 531 developers stacks; compared to Polymer, which is listed in 42 company stacks and 32 developer stacks.
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