
Flask
ExpressJS
Django
Yii Framework
Bottle
Ruby on Rails
Laravel
FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

VisualSitemaps
Octopus.do
SlickPlan
Rarchy
DYNO Mapper
Relume Library
MockFlow
FlowMapp is a UX planning tool for creating visual sitemaps and user flow.
Which is more popular?
Based on our record, FastAPI seems to be more popular. It has been mentioned 315 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fastapi.tiangolo.com | flowmapp.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Colombia | 2017 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of FastAPI yet.
FlowMapp is a UX planning tool for creating visual sitemaps and user flow. FlowMapp is very effective for planning the development of a site, mobile or web app, and it allows all the participants in the process to collaborate with each other, which makes the workflow easier and more convenient.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
FlowMapp is recommended for UX/UI designers, product managers, web developers, and digital marketing teams who want to improve their planning and design processes. It is a valuable tool for anyone who needs to create clear and functional blueprints for websites and applications.
Walkthroughs and reviews on video.
FastAPI from the ground up
More videos
FlowMapp Software Review | First Impressions
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using FastAPI and FlowMapp. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


When our backend team needs to build services for data parsing, aggregators, or high-load APIs, FastAPI is our absolute go-to choice. It completely lives up to its name-development speed is outstanding. The...
FastAPI, as the name hints, is a swift mover. Built on Starlette, it’s all about speed and performance with Python. Crafting API masterpieces at the speed of light, now that’s something.
Since its release in 2018, it has rapidly gained popularity due to its great performance and simplicity. In fact, according to PyPi Stats, FastAPI has over 9 million monthly downloads, surpassing even full-stack...
We have no reviews of FlowMapp yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Using FastAPI, FastStream, and dishka lets us follow Clean Architecture principles and almost avoid leaky abstractions. The prototype also used Pydantic and SQLAlchemy. I do not focus on them because these technologies are already... - Source: dev.to / 5 days ago
If your FastAPI app talks to a database through SQLAlchemy, chances are high you will meet it sooner or later. Not on your machine, of course. It shows up in production, after a few quiet hours, under load. And the reflex is always the... - Source: dev.to / 11 days ago
API: FastAPI with async SQLAlchemy, PostgreSQL 17 for data, Redis for caching and rate limits. The cache is invalidated by a single version counter bumped on every write: no fine-grained purging to manage. - Source: dev.to / 19 days ago
Tracking FlowMapp since Mar 2021.
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Slickplan is a suite of tools for planning any website project.
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