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Duolingo uses 85 technologies like adjust, Adobe, and Adobe After Effects. View Duolingo's complete Tech Stack.

Duolingo Business Intelligence And Analytics Technology

adjust is a business intelligence platform for mobile app marketers, combining attribution for advertising sources with advanced analytics.
Amazon Polly is a cloud service by Amazon Web Services that converts text into spoken audio. It allows developers to create speech-enabled applications and products.
Amazon Redshift is a fast, fully managed, petabyte-scale data warehouse
Hadoop is an open-source software framework written in Java for distributed storage and distributed processing of very large data sets.
Apache Spark is an engine for big data processing, with built-in modules for streaming, SQL, machine learning and graph processing.
Apache Storm is a distributed, fault-tolerant, open-source computation system for processing large volumes of high-velocity data.
BigQuery is a fully-managed, serverless data warehouse that enables scalable analysis over petabytes of data.

Duolingo Devops And Development Technology

Adobe helps organisations in creation of multimedia and creativity software products, with a more recent foray into digital marketing software.
Alibaba Cloud is a suite of cloud computing solutions that provides cloud products and services for databases, networking, security, analytics & big data, domains & website management, application services, media services and middleware.
Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to facilitate web-scale computing for developers.
Amazon Web Hosting is a cloud web hosting solution designed for enterprise organizations.
Google Firebase is an application development platform for creating mobile and web applications.
Cloud-based mobile app testing and mobile app monitoring solution.
Kubernetes helps to manage a cluster of Linux containers as a single system to accelerate development and simplify operations.
High performance error tracking software built for web and mobile application developers within small to large organizations to efficiently find and fix bugs.

Duolingo Product And Design Technology

Motion graphics and visual effects toolset .
Adobe Muse is an offline website builder used to create fixed, fluid, or adaptive websites, without the need to write code.

Duolingo Productivity And Operations Technology

Adobe After Effects CC is a digital visual effects, motion graphics, and compositing application developed by Adobe Systems and used in the post-production process of film making, video games and television production.
Apache Airflow is an open source workflow management platform that enables to programmatically author, schedule, and monitor workflows.
Duolingo is a language learning application that also provides digital language proficiency assessment tests.
Easy PDF is a free online PDF conversion tool that can convert files from and to PDF.
Google Sheets is a spreadsheet program for data analysis.
Microsoft Office is a suite of desktop productivity applications and client and server software designed for data analysis, presentations and numeric manipulations.

Duolingo Programming Languages And Frameworks Technology

Amazon DynamoDB is a flexible NoSQL database service.
ElastiCache is a web service that makes it easy to deploy, operate, and scale an in-memory cache in the cloud.
Amazon Relational Database Service (RDS) is a distributed relational database service by Amazon Web Services. It is a web service running in the cloud designed to simplify the setup, operation, and scaling of a relational database for use in applications.
Android Studio is the integrated development environment (IDE) for Google's Android operating system, built on JetBrains' IntelliJ IDEA software and designed specifically for Android development.
The Apache Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
C++
C++ is a high-level, general-purpose programming language created by Bjarne Stroustrup as an extension of the C programming language, or "C with Classes".
Google Cloud Bigtable is a fully managed, scalable NoSQL database service for large analytical and operational workloads.
Java is a programming language and computing platform.

Duolingo Platform And Storage Technology

Cloud based storage systems by AWS.
Amazon Web Services (AWS) is a comprehensive, evolving cloud computing platform provided by Amazon that includes a mixture of infrastructure as a service (IaaS), platform as a service (PaaS) and packaged software as a service (SaaS) offerings.
Amazon WorkMail is a secure, managed business email and calendar service.
Android is a mobile operating system based on a modified version of the Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets.
AWS Lambda is an event-driven, serverless computing platform provided by Amazon as a part of Amazon Web Services. It lets clients run code without provisioning or managing servers.
Google Cloud Platform is a suite of cloud computing services that enables developers to build, deploy, and scale applications, websites, and services on the same infrastructure as Google.
NetApp offers hybrid cloud data services that simplify management of applications and data across cloud and on-premises environments to accelerate digital transformation.

Duolingo Marketing Technology

Amazon SES is an outbound-only email-sending service built on the reliable and scalable infrastructure.
Google AdWords lets create ads that appear in Google search results for certain keywords in certain regions, driving more qualified traffic to their website.
Instagram is a photgraph & video sharing social networking service for people to easily connect and share with family and friends online.
Later helps to plan, schedule, and manage content for Instagram.
Looker makes it easy for customers to find, explore & understand their marketing data. Measure success & make better decisions by seeing all their data together.
Muck Rack is a public relations and communications software built for the digital, traditional and social media world.

Duolingo IT Management Technology

Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables developers to decouple and scale microservices, distributed systems, and serverless applications.
AWS Elastic Beanstalk is an orchestration service offered by Amazon Web Services for deploying applications which orchestrates various AWS services, including EC2, S3, Simple Notification Service, CloudWatch, autoscaling, and Elastic Load Balancers.
Google Cloud SQL is a fully-managed database service that makes it easy to set-up, maintain, manage and administer relational databases on Google Cloud Platform.
Tableau Software is a business intelligence and analytics solution that offers a range of integrated products to help users visualize and understand their data.

Duolingo Communications Technology

Asana is a task & project management solution for teams. Asana users can share, plan, organize & track the progress of the tasks that each member is working on.
Breezy is a uniquely visual recruiting and applicant tracking system that helps organizations modernize their hiring process with tools for interview scheduling, follow-ups, reference checking, video interviews, real-time messaging, reporting.
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.
Google Cloud Pub/Sub offers durable message storage and real-time message delivery with high availability and consistent performance at scale.
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.
Zoom is a scalable, cloud based video conferencing & web conferencing platform enabling online meetings, webinars, file sharing, group messaging and more.

Duolingo Collaboration Technology

Atlassian Confluence is a knowledge management software with flexible customization, organization and a powerful search engine, empowering collaboration and innovation.
Collaborative interface design tool.
Forecast has the needs of digital projects covered. The interface is simple, while focusing on the relevant features that enable you to understand the operations of your business.
Google Docs is an online word processor that lets client create and format text documents and collaborate with other people in real time.
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.

Duolingo Computer Networks Technology

AWS Route53 is a Cloud DNS service helps in customers to route end user requests to internet applications.

Duolingo HR Technology

BambooHR is a cloud-based human resources (HR) software service for small and midsize businesses. BambooHR offers small and growing companies a human resource information system (HRIS) that includes an applicant tracking system (ATS) and HRIS tools to manage all aspects of the employee lifecycle.
Google Classroom is a learning management system (LMS) that aims to simplify creating, distributing, and grading assignments and engaging students in learning online or remotely.
Greenhouse is a recruiting optimization platform to help companies build and scale their recruiting processes. It automates and measures all sourcing activity (social media, referrals, job boards, in-person events, meetups, campus recruiting, etc.) and improves teams' interviewing skills with all-in-one “interview kits” that bring together all the information one needs into one simple web page.
Paycor provides companies with intuitive on-boarding, HR, payroll and timekeeping software supported by personalized support.
Create a high-performance and sustainable organization.
TalentLMS creates the leanest, most intuitive and hassle-free learning experience possible. An online learning platform that's immediately accessible but also offers power and flexibility to spare.
Thinkific is the all-in-one platform for independent experts and entrepreneurs to create, market and sell online courses.
Trello: A visual collaboration tool that creates a shared perspective for your team on any project in a fun, flexible, and rewarding way.

Duolingo Customer Management Technology

Ethnio lets businesses create a screener and schedule participants for research.
With UserTesting, you can make better decisions with fast customer feedback and shared human insights.
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.

Duolingo Sales Technology

LiveAgent, Great customer service starts with better help desk software. LiveAgent is a multi-channel customer service software that offers 175+ help desk and live chat features.
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.

Duolingo IT Security Technology

Orca Security, a cloud security innovation leader, provides cloud-wide, workload-deep security and compliance for AWS, Azure, and GCP. Orca Security provides full-stack security visibility to compromises, vulnerabilities, risky configuration and asset discovery of the entire IAAS and PAAS services without installing any agent.

Duolingo 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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