Top 10 Flask Utilities Libraries 2024

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by Kanika Maheshwari dot icon Updated: Feb 15, 2024

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Here are some of the famous Flask Utilities Libraries. Flask Utilities Libraries use cases include Creating RESTful APIs, Automating Testing, Creating Web Forms, Rendering Templates, Integrating with Databases, and Authentication. 


Flask utilities libraries are a collection of tools and modules that help developers create applications using Flask, a popular web framework for Python. These libraries provide a variety of functionalities, such as template engines, form validation, routing, and more. They are also used to extend the functionality of Flask, allowing developers to create more complex applications faster and with fewer lines of code. 


Let us have a look at some of the famous Flask Utilities Library.

Flask-migrate  

  • Supports both SQLAlchemy and Alembic database migrations. 
  • Has a database version control system that tracks database versions and generates automated database migrations. 
  • Allows users to detect and manage changes to their database schema by using an object-oriented database abstraction layer. 

Flask-Migrateby miguelgrinberg

Python doticonstar image 2205 doticonVersion:Currentdoticon
License: Permissive (MIT)

SQLAlchemy database migrations for Flask applications using Alembic

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            Flask-Migrateby miguelgrinberg

            Python doticon star image 2205 doticonVersion:Currentdoticon License: Permissive (MIT)

            SQLAlchemy database migrations for Flask applications using Alembic
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                      Flask-security  

                      • Provides all the features you need to implement full user authentication. 
                      • Supports various authentication sources, including LDAP, OAuth, and OpenID Connect. 
                      • Built-in security features, such as XSS, CSRF, and clickjacking protection. 

                      flask-securityby mattupstate

                      Python doticonstar image 1594 doticonVersion:Currentdoticon
                      License: Permissive (MIT)

                      Quick and simple security for Flask applications

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                                flask-securityby mattupstate

                                Python doticon star image 1594 doticonVersion:Currentdoticon License: Permissive (MIT)

                                Quick and simple security for Flask applications
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                                          Flask-WTF 

                                          • Allows developers to create dynamic forms. 
                                          • Provides customizable widgets, allowing developers to customize their forms. 
                                          • Supports internationalization, allowing developers to translate their forms into multiple languages easily.  

                                          flask-wtfby wtforms

                                          Python doticonstar image 1376 doticonVersion:v1.1.1doticon
                                          License: Permissive (BSD-3-Clause)

                                          Simple integration of Flask and WTForms, including CSRF, file upload and Recaptcha integration.

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                                                    flask-wtfby wtforms

                                                    Python doticon star image 1376 doticonVersion:v1.1.1doticon License: Permissive (BSD-3-Clause)

                                                    Simple integration of Flask and WTForms, including CSRF, file upload and Recaptcha integration.
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                                                              Flask-restless 

                                                              • Supports many methods for querying and modifying the data, including HTTP methods. 
                                                              • Supports automatic validation of incoming data. 
                                                              • Supports pagination, sorting, and filtering of the data. 

                                                              flask-restlessby jfinkels

                                                              Python doticonstar image 1030 doticonVersion:1.0.0b1doticon
                                                              License: Strong Copyleft (AGPL-3.0)

                                                              NO LONGER MAINTAINED - A Flask extension for creating simple ReSTful JSON APIs from SQLAlchemy models.

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                                                                        flask-restlessby jfinkels

                                                                        Python doticon star image 1030 doticonVersion:1.0.0b1doticon License: Strong Copyleft (AGPL-3.0)

                                                                        NO LONGER MAINTAINED - A Flask extension for creating simple ReSTful JSON APIs from SQLAlchemy models.
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                                                                                  Flask-DebugToolbar 

                                                                                  • Provides an easy way to add custom debugging panels. 
                                                                                  • Displays interactive console, allowing you to execute code during run-time. 
                                                                                  • Provides an interactive page showing request and response information.

                                                                                  flask-debugtoolbarby pallets-eco

                                                                                  JavaScript doticonstar image 870 doticonVersion:0.13.1doticon
                                                                                  License: Permissive (BSD-3-Clause)

                                                                                  A toolbar overlay for debugging Flask applications

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                                                                                            flask-debugtoolbarby pallets-eco

                                                                                            JavaScript doticon star image 870 doticonVersion:0.13.1doticon License: Permissive (BSD-3-Clause)

                                                                                            A toolbar overlay for debugging Flask applications
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                                                                                                      Flask-caching 

                                                                                                      • Wide variety of cache invalidation strategies. 
                                                                                                      • Supports a wide range of cache expiration strategies. 
                                                                                                      • Supports multiple caching backends, including Memcached, Redis, and SimpleCache. 

                                                                                                      flask-cachingby pallets-eco

                                                                                                      Python doticonstar image 794 doticonVersion:v2.0.2doticon
                                                                                                      License: Others (Non-SPDX)

                                                                                                      A caching extension for Flask

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                                                                                                                flask-cachingby pallets-eco

                                                                                                                Python doticon star image 794 doticonVersion:v2.0.2doticon License: Others (Non-SPDX)

                                                                                                                A caching extension for Flask
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                                                                                                                          Flask-oauth 

                                                                                                                          • Provides support for a wide range of authentication protocols and services. 
                                                                                                                          • Provides extensive documentation, including tutorials and code examples. 
                                                                                                                          • Can be used with multiple providers, allowing developers to create a unified authentication solution for their applications.  

                                                                                                                          flask-oauthby mitsuhiko

                                                                                                                          Python doticonstar image 570 doticonVersion:Currentdoticon
                                                                                                                          License: Others (Non-SPDX)

                                                                                                                          OAuth Support for Flask

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                                                                                                                                    flask-oauthby mitsuhiko

                                                                                                                                    Python doticon star image 570 doticonVersion:Currentdoticon License: Others (Non-SPDX)

                                                                                                                                    OAuth Support for Flask
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                                                                                                                                              Flask-mail 

                                                                                                                                              • Allows you to configure multiple mail accounts and send emails from multiple accounts. 
                                                                                                                                              • Provides support for both plain text and HTML templates. 
                                                                                                                                              • Supports sending emails via both secure SSL/TLS connections and insecure connections. 

                                                                                                                                              flask-mailby mattupstate

                                                                                                                                              Python doticonstar image 512 doticonVersion:Currentdoticon
                                                                                                                                              License: Others (Non-SPDX)

                                                                                                                                              Flask-Mail adds SMTP mail sending to your Flask applications

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                                                                                                                                                        flask-mailby mattupstate

                                                                                                                                                        Python doticon star image 512 doticonVersion:Currentdoticon License: Others (Non-SPDX)

                                                                                                                                                        Flask-Mail adds SMTP mail sending to your Flask applications
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                                                                                                                                                                  Flask-testing 

                                                                                                                                                                  • Provides an easy-to-use test client that allows you to make requests to your application and inspect the responses. 
                                                                                                                                                                  • Provides a set of context variables that can be used to store and retrieve data from the request and response objects.  
                                                                                                                                                                  • Provides various assertions that can be used to check the state of your application quickly. 
                                                                                                                                                                  Python doticonstar image 466 doticonVersion:v0.8.0doticon
                                                                                                                                                                  License: Others (Non-SPDX)

                                                                                                                                                                  Unittest extensions for Flask

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                                                                                                                                                                            flask-testingby jarus

                                                                                                                                                                            Python doticon star image 466 doticonVersion:v0.8.0doticon License: Others (Non-SPDX)

                                                                                                                                                                            Unittest extensions for Flask
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                                                                                                                                                                                      Flask- uploads 

                                                                                                                                                                                      • Provides secure file uploading capabilities. 
                                                                                                                                                                                      • Supports both models and APIs for handling file uploads. 
                                                                                                                                                                                      • Provides several options for storing uploaded files, including local file system, Amazon S3, and DropBox. 

                                                                                                                                                                                      flask-uploadsby maxcountryman

                                                                                                                                                                                      Python doticonstar image 186 doticonVersion:Currentdoticon
                                                                                                                                                                                      License: Permissive (MIT)

                                                                                                                                                                                      File uploads for Flask.

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                                                                                                                                                                                                flask-uploadsby maxcountryman

                                                                                                                                                                                                Python doticon star image 186 doticonVersion:Currentdoticon License: Permissive (MIT)

                                                                                                                                                                                                File uploads for Flask.
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