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LeetCode uses 39 technologies like Amazon SES, Amazon WorkMail, and Angular. View LeetCode's complete Tech Stack.

LeetCode Marketing Technology

Amazon SES is an outbound-only email-sending service built on the reliable and scalable infrastructure.
Facebook is a social networking site that makes it easy for people to connect and share with family and friends online.
Google Maps is a web-based service that enables users to find local businesses, view maps, get driving directions, and more.
Google Optimize is a free website optimization tool that helps online marketers increase visitor conversion rates and overall visitor satisfaction by continually A/B testing different combinations of website content.
Twitter is a microblogging and social networking service on which users post and interact with messages known as "tweets".

LeetCode Platform And Storage Technology

Amazon WorkMail is a secure, managed business email and calendar service.

LeetCode Programming Languages And Frameworks Technology

Angular is a development platform for building mobile and desktop web applications using Typescript/JavaScript and other languages.
AngularJS is a JavaScript-based open-source front-end web application framework mainly maintained by Google and by a community of individuals and corporations to address many of the challenges encountered in developing single-page applications.
Bootstrap is a free and open-source front-end framework for designing websites and web applications. It contains HTML and CSS-based design templates for typography, forms, buttons, navigation and other interface components, as well as optional JavaScript extensions.
Django is a Python web framework.
Font Awesome makes it easy to add vector icons and social logos to their website.
Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
JavaScript is the programming language of HTML and the Web.
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML. It is free, open-source software using the permissive MIT License. Web analysis indicates that it is the most widely deployed JavaScript library by a large margin.

LeetCode IT Security Technology

Cloudflare mitigates threats from website scraping to application level attacks e.g. SQL Injection and DDOS Protection without any additional hardware.
reCAPTCHA is a CAPTCHA-like system designed by Google to establish that a computer user is human.

LeetCode Devops And Development Technology

Cloudflare Content Delivery Network (CDN) is a geographically distributed group of servers that ensure fast delivery of Internet content, including HTML pages, JavaScript files, stylesheets, and images.
GitHub is a place to share code with friends, co-workers, classmates, and complete strangers, helping individuals and teams to write faster, better code.
Jenkins is an open source automation server written in Java. Jenkins helps to automate the non-human part of the software development process, with continuous integration and facilitating technical aspects of continuous delivery. It is a server-based system that runs in servlet containers such as Apache Tomcat.

LeetCode Computer Networks Technology

Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare have all traffic routed through its intelligent global network, which gets smarter with each new site added.

LeetCode Customer Management Technology

Cognito Forms is an advanced, yet easy-to-use online form builder that allows you to create powerful forms.
Shopify is a commerce platform that allows anyone to easily sell online, at a retail location, and everywhere.
Zendesk is a cloud-based customer service software solution trusted by over 40,000 organizations worldwide. Companies such as Groupon, Box, and Zappos are using Zendesk to lower costs, raise productivity, and increase customer satisfaction. Loved by both customer service teams and their customers for its beautifully simple interface.
Zopim, a Zendesk product, offers Live Chat based customer engagement and customer support solutions

LeetCode Communications Technology

Flock is a free chat service for work and business environments.
Gmail is a free, advertising-supported email service offered as part of Google's G Suite, with 15GB of storage, color-coded inbox filters and unsend button.
SendGrid cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems. SendGrid provides reliable email delivery, scalability and real-time analytics along with flexible API's that make custom integration a breeze.

LeetCode Business Intelligence And Analytics Technology

Google Analytics allows users to measure sales & conversions, plus gain fresh insights into how visitors use sites, & how they arrived on site.
New Relic One is an entity-centric observability platform that collects and contextualizes all operational data—from any source—and simplifies instrumentation, data ingestion, exploration, correlation, and machine learning-powered analysis to support observability for every organization.

LeetCode Collaboration Technology

G Suite is a suite of apps from Google which offers a number of tools to communicate and collaborate with colleagues, store files, and manage data.
Quip is a collaboration solution which allows teams to create and work on documents, spreadsheets, and task lists in real time with built-in chat and commenting.
Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are or what they do.

LeetCode IT Management Technology

New Relic is used to monitor customer's entire system, including applications, servers, browsers, and network. An ecosystem of plugins let clients monitor customers entire stack.

LeetCode Sales Technology

Salesforce.com, Inc. is an American cloud computing company headquartered in San Francisco, California. Though its revenue comes from a customer relationship management (CRM) product, Salesforce also sells commercial applications of social networking through acquisition and internal development.

LeetCode Finance And Accounting Technology

Stripe is an online payment processing tool for internet businesses. Stripe handles everything, including storing cards, subscriptions, and direct payouts to their bank account. Meticulously designed APIs and functionality help users create the best possible product for their users.

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