1. [Home](https://www.g2.com/) 2. ... 3. [Python Web Frameworks](https://www.g2.com/categories/python-web-frameworks) 4. [Flask Discussions](https://www.g2.com/products/flask/discuss) [ ![Flask](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_fa7be4026d11b111b7f256098497c49a/flask.png "Flask") ](/products/flask/reviews) # Flask Discussions Flask is a lightweight and versatile web framework for Python, designed to facilitate the development of web applications by providing essential tools and libraries. It adheres to the WSGI (Web Server Gateway Interface) standard, ensuring compatibility with various web servers and applications. Flask's minimalist core allows developers to add extensions as needed, offering flexibility without imposing unnecessary dependencies. Key Features and Functionality: - WSGI Compliance: Flask implements WSGI, the standard Python interface between applications and servers, ensuring seamless integration with various web servers. - Template Rendering: Utilizes Jinja, a powerful template engine, to render dynamic HTML content efficiently. - Secure Data Handling: Incorporates ItsDangerous for securely signing data, protecting against tampering and ensuring data integrity. - Command-Line Interface: Provides the `flask` command through Click, facilitating the management and deployment of applications. - Signal Support: Offers Blinker for implementing signals, enabling components to communicate efficiently within the application. Primary Value and User Solutions: Flask's primary value lies in its simplicity and flexibility, making it an ideal choice for developers seeking to build web applications without the overhead of a full-stack framework. Its modular design allows for the integration of various extensions, enabling the creation of applications tailored to specific needs. By providing essential tools and adhering to standard interfaces, Flask streamlines the development process, allowing developers to focus on crafting unique features and functionalities for their applications. ![Flask](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_fa7be4026d11b111b7f256098497c49a/flask.png "Flask") Flask Discussions Most CommentedMost HelpfulCommon QuestionsNewest Showing **2** discussions ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • about 3 years ago More Options - Share [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=What+is+Flask+used+for%3F&title=What+is+Flask+used+for%3F&url=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fflask-what-is-flask-used-for) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=What+is+Flask+used+for%3F&url=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fflask-what-is-flask-used-for&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fflask-what-is-flask-used-for) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=What+is+Flask+used+for%3F&body=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fflask-what-is-flask-used-for%0aWhat+is+Flask+used+for%3F) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=What+is+Flask+used+for%3F&body=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fflask-what-is-flask-used-for%0aWhat+is+Flask+used+for%3F) - Copy link - [ ## What is Flask used for? ](/discussions/flask-what-is-flask-used-for) What is Flask used for? [ Python Web Frameworks ](https://www.g2.com/tags/python-web-frameworks) Show More (Upvote this discussion)\<0\>0\> (Downvote this discussion) 1 (1 Comment) Add a comment [ View discussion ](/discussions/flask-what-is-flask-used-for) ![Abhijeet M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Abhijeet M.") AM Loading... [Abhijeet M.](https://www.g2.com/users/fc1c3887-e3cb-4178-841d-e5cf9bd151f0 "Abhijeet M.") • about 3 years ago Software Consultant More Options - Share [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=I+am+building+a+chat+application+with+socket+io+client.+Wanted+to+check+if+Flask+is+suitable+backend+framework+for+this+use+case%3F&title=Is+Flask+reliable+for+building+realtime+chat+applications%3F&url=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fis-flask-reliable-for-building-realtime-chat-applications) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=Is+Flask+reliable+for+building+realtime+chat+applications%3F&url=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fis-flask-reliable-for-building-realtime-chat-applications&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fis-flask-reliable-for-building-realtime-chat-applications) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Is+Flask+reliable+for+building+realtime+chat+applications%3F&body=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fis-flask-reliable-for-building-realtime-chat-applications%0aI+am+building+a+chat+application+with+socket+io+client.+Wanted+to+check+if+Flask+is+suitable+backend+framework+for+this+use+case%3F) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=Is+Flask+reliable+for+building+realtime+chat+applications%3F&body=https%3A%2F%2Fwww.g2.com%2Fdiscussions%2Fis-flask-reliable-for-building-realtime-chat-applications%0aI+am+building+a+chat+application+with+socket+io+client.+Wanted+to+check+if+Flask+is+suitable+backend+framework+for+this+use+case%3F) - Copy link - [ ## Is Flask reliable for building realtime chat applications? ](/discussions/is-flask-reliable-for-building-realtime-chat-applications) I am building a chat application with socket io client. Wanted to check if Flask is suitable backend framework for this use case? [ Python Web Frameworks ](https://www.g2.com/tags/python-web-frameworks) Show More (Upvote this discussion)\<0\>0\> (Downvote this discussion) 1 (1 Comment) Add a comment [ View discussion ](/discussions/is-flask-reliable-for-building-realtime-chat-applications) ## Browse by popular topics [Python Web Frameworks](/products/flask/discuss?filters%5Btags%5D%5B%5D=python-web-frameworks)