
D3.js
RAWGraphs
Tableau
Google Charts
Highcharts
Bokeh
Chart.js
Low-Code Data Apps

Novu
Knock App
SuprSend
OneSignal
Twilio
MagicBell
Brevo
Courier is a notification API built for developers. Design once, and deliver to any channel – email, Slack, SMS, push, and more – all through a single API.

Which is more popular?
Based on our record, Plotly seems to be a lot more popular than Courier. While we know about 34 links to Plotly, we've tracked only 3 mentions of Courier.
Website, pricing, platforms and company facts side by side.
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| Website | plotly.com | courier.com |
| Pricing | ||
| Company | — | Startup from the United States · 2019 |
| Listed in |
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Plotly is recommended for data scientists, analysts, and developers who need to create interactive and visually appealing data visualizations. It's particularly useful for those who work with Python or R and want the ability to embed their visualizations in web applications or dashboards.
No analysis of Courier yet.
Walkthroughs and reviews on video.
Create Real-time Chart with Javascript | Plotly.js Tutorial
More videos
The Courier.com Notifications API Demo
How often each product is chosen within a category, 0–100% relative to the other.


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


Plotly is specifically designed for companies who want to build and deploy analytic applications like dashboards using Python, Julia, or R without needing DevOps or Javascript developers.
Plotly is a web-based data visualization toolkit that comes with unique functionalities such as dendrograms, 3D charts, and also contour plots, which is not very common in other libraries. It has a great API offering...
Plotly is a free open-source graphing library that can be used to form data visualizations. Plotly (plotly.py) is built on top of the Plotly JavaScript library (plotly.js) and can be used to create web-based data...
Courier follows the Design Once Deliver to Many approaches, which makes it possible to design notifications using a single API and deliver them to several channels such as push notifications, direct messages for Slack...
Recommendations tracked on public social media and blogs since March 2021.


Let's dive into some practical examples. First, you'll need to set up your environment with the right tools. I recommend using pandas for data manipulation and plotly for visualization. - Source: dev.to / 6 months ago
Plotly is perfect for interactive visualizations. You can create interactive charts and graphs that allow users to hover, click, and zoom in. Plotly is also great for web-based visuals, making it easy to share your findings online. - Source: dev.to / over 1 year ago
Front End: A React application that leverages React-Chatbotify library to easily integrate a chatbot GUI. It also uses the Plotly library to display the charts/visualizations. The generative AI implementation and details are entirely... - Source: dev.to / over 1 year ago
Background: I'm the solo founder of Courier (courier.com). We build APIs that help developers easily build notifications for their products for any channel - email, SMS, Slack, push, inbox, etc. These days we're ~40 people, Series B,... Source: over 3 years ago
Roll your own like me so far, or do you use 3rd-party notification tools like Courier or Knock? Source: over 3 years ago
Courier is ideal for this kind of application since it makes it simple to integrate notification systems. We will be using the Courier API to send email notifications for now, but it is quite easy to extend it to use SMS or other... - Source: dev.to / over 3 years ago
When comparing Plotly and Courier, you can also consider the following products.

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The ultimate library for managing multi-channel transactional notifications with a single API.
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RAWGraphs is an open source app built with the goal of making the visualization of complex data...
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Power your product notifications with Segment and Hightouch.
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Tableau can help anyone see and understand their data. Connect to almost any database, drag and drop to create visualizations, and share with a click.
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Single Notification API for Every Channel (SMS, Slack, Whatsapp, Email, SMS, Push, App Inbox)
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