A curated list of companies using Erlang in production, organized by industry.
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IoT
Global
emqx.com
github.com/emqx
EMQ is an open-source IoT data infrastructure software provider, delivering the world’s leading cloud-native MQTT-based IoT messaging platform and streaming database, providing a one-stop cloud-native solution for real-time IoT data connection, movement, processing and analytics, from edge to cloud to multicloud.
E-commerce
India
redbus.in
redBus is the world’s largest bus ticketing firm which has pioneered in solving for ground transport challenges across India as well as several International geographies since 2006. At the crux of our tech platform lies a micro services based architecture, where some of the key subsystems like the inventory management(including search) platform and the order management platform are powered by Erlang.
Quanterall is an R&D Lab for software and hardware engineering. The core business of the company is to develop custom Blockchain solutions, Enterprise software, and IoT infrastructure. Our projects are mainly based on Erlang, Elixir and Haskell.
Couchbase is a distributed NoSQL cloud database. It delivers unmatched versatility, performance, scalability across cloud, on-premises, hybrid, and edge computing deployments. We use Erlang to manage the couchbase cluster.
Evoneering uses Erlang and Elixir to power video load balancing services and media delivery, providing near instant access to live video content to clients around the globe. Also used for a variety of backend services for device management.
Cloud-based Business Communications S...
Campbell, California, USA
8x8.com
8x8 is a leading SaaS provider of video, voice, chat, contact center, and enterprise-class API solutions powered by one global cloud communications platform. We use Erlang to ensure the highest performance of instant messaging and event delivering to clients across the globe. In addition, distributed Erlang helps us design a scalable, reliable and fault tolerant system in a cost effective manner.
Consultancy
Florida, Worldwide
redclawtech.com
github.com/redclawtech
We are software cooperative focused on helping companies solve their problems around real-time, high concurrency web systems and IoT infrastructures. We use Erlang/OTP and Elixir as the choice technology for most of our development. We are also contributors to the VerneMQ message broker and offer plugin development and support for that platform.
We build engines for the core of communications service provider’s networks and key components of operational and business support systems.
Consultancy
Oxford, UK (HQ) but company is distri...
oldreliable.tech
github.com/old-reliable
Old Reliable is a team of problem solvers and software engineers. We use Erlang and Elixir to help our clients make rapid progress on their technical projects.
Health & Fitness
CDMX, México
rocketjourney.com
github.com/RocketJourney
RocketJourney uses Erlang and Elixir to power up their backend platform to give users a tool for pursuing the habit of exercise with game mechanics, challenges, friendly peer-pressure and more.
Machine Learning and Data Analysis
CDMX, México
deleeng.com
Deleeng uses Erlang for data analysis with real time application updates, cache layers and delta updates handling big amount of data with very fast responses and great performance.
Consultancy
Amsterdam, Netherlands
maximonster.com
Maximonster uses Erlang and the Zotonic CMS for LearningStone and other platforms. LearningStone is a cloud based learning & collaboration platform for professional training and coaches.
Consultancy
Amstelveen, Netherlands
whatwebwhat.com
github.com/mworrell
As lead developer of the Erlang based open source content management system Zotonic, WhatWebWhat is the web- and Erlang consultancy company of Marc Worrell.
GoDaddy powers the world’s largest cloud platform dedicated to small, independent ventures. With 18.8M+ customers worldwide and 78M+ domain names under management, GoDaddy is the place people come to name their idea, build a professional website, attract customers and manage their work.
Telecommunications
Saint Petersburg, Russia
timeweb.com
github.com/timeweb
Shared, VDS and dedicated hosting. Using Erlang for customer services API, most loaded part of hosting system.
Industrial IoT, Embedded Systems
Munich, Germany (HQ) but company is f...
stritzinger.com
github.com/grisp
Running Erlang on Real Bare Metal (we make www.grisp.org), small embedded systems with Erlang technology from hardware to cloud services
E-commerce
Moscow, Russia
rbk.money
github.com/rbkmoney
Erlang is a core of our payment platform serving millions of customers around the world.
IoT networking
San Francisco, California
helium.com
blog.helium.com
github.com/helium
Helium is shaping the future by rewarding anyone for creating a global decentralized wireless network for billions of machines.
IoT messaging
Zurich/Basel, Switzerland
octavolabs.com
vernemq.com/blog
github.com/vernemq
We’re developing and maintaining the open source IoT/MQTT broker VerneMQ, the core for many IoT platforms and use cases.
Developer Tools
Dublin, Ireland
testingpays.com
github.com/TestingPays
We are changing how e-commerce is built using Erlang and Elixir. Whether you are a freelancer or a large enterprise team, you can build, test and scale your payments systems with confidence.
Customer Services
Östersund, Sweden
loxysoft.com
Loxysoft produces software and services for customer service and sales. Our backend for outbound dialing is built with Erlang since 2005.
Customer Services
Ulyanovsk, Russia
buymeapie.com
blog.buymeapie.com
github.com/Skript
We create a shopping list application called “Buy Me a Pie!” (iOS, Android). Erlang is used in the backend for the application.
Consultancy
Munich, Germany
mainmatter.com
mainmatter.com/blog
github.com/mainmatter
We build ambitious web and mobile solutions for clients across the world, mostly with Elixir/Phoenix and Ember.js. Our open source air-quality PWA Breethe (https://breethe.app) is backed by Elixir.
Information Technology
Bordeaux, France
fieldbox.ai
We are building the factory of the future! We use Erlang to deploy industry grade AI solutions.
Information Technology
Paris, France
enki-multimedia.org
We use Erlang to provide a decentralized data platform to our customers. We open-sourced Barrel (https://barrel-db.org), among many other Erlang libraries, which are a key part of our data platform.
Information Technology, IoT
London, United Kingdom; Buenos Aires,...
leapsight.com
leapsight.com
gitlab.com/leapsight
We use Erlang to do scalable, real-time, intelligent systems. Erlang powers our products such as Bondy (open source networking platform for MicroServices and IoT, a WAMP Router and REST API GAteway), LSD (distributed, knowledge graph and deductive database) and Leapsight IoT Platform.
Software consultancy and development company, with experience in Erlang and Elixir.
Digital Mail
Stockholm, Sweden
kivra.com
github.com/kivra
Erlang powers Kivra’s backend services, handling secure digital mail for almost 3 million users in Sweden.
IoT
Berlin, Germany; Katowice, Poland
relayr.io
relayr.io/blog
github.com/relayr
Erlang is used mostly in microservices that serve REST interfaces for clients and also in device protocol adapters (HTTP, CoAP, SNMP, etc.).
Data Analysis and Visualization
Stuttgart, Germany; Córdoba, Argentina
instadeq.com
instadeq.com/blog
github.com/instadeq
Data analysis, visualization and collaboration for individuals and teams. Our backend is built with Efene and Erlang.
Online Ordering
San Francisco, CA
postmates.com
blog.postmates.com
github.com/postmates
Postmates is the largest, most reliable on-demand delivery and pickup platform. Erlang and Elixir are used for multiple core backend components.
Blockchain
Liechtenstein
aeternity.com
blog.aeternity.com
github.com/aeternity
An open-source, blockchain-based platform for scalable & user-friendly decentralized applications. Written in Erlang and Elixir.
Erlang powers the Alert Logic Security-as-a-Service solutions that secure the application and infrastructure stack of the cloud, processing millions of events per second from over 4,000 customers.
Telecommunications
Luzern, Switzerland
k2informatics.ch
github.com/K2InformaticsGmbH
K2 uses erlang to guarantee high performance and availability in the fault-tolerant and scalable platforms and proxies build to address tele-communicating challenges.
Telecommunications
Krakow, Poland
motorolasolutions.com
Motorola Solutions uses Erlang and Elixir to develop components of mission critical communication systems that need to be reliable and fault-tolerant in the moment that matters.
Information Technology
Saint Petersburg, Russia
reksoft.com
Erlang helps us to build services which solve sophisticated problems related to big data storage, search and data lifecycle management using native cloud architectures.
Telecommunications
Moscow, Russia
funbox.ru
github.com/funbox
Erlang is used for high-volume message processing and event routing.
Real-Time Communications
New Delhi, India
softwarejoint.com
softwarejoint.com/blog/products/yowza
github.com/softwarejoint
Erlang supports our communications platform based on websockets, webrtc & bert. Currently supporting hundreds of customers and millions of users.
Telecommunications
San Francisco, CA
2600hz.com
blog.2600hz.com
github.com/2600hz
Erlang powers the Kazoo platform which offers Class 4, Class 5 and CPaaS functionality on top of a geo-redundant system.
Artificial Intelligence
Budapest, Hungary
cursorinsight.com
github.com/cursorinsight
The backend of Cursor Insight’s electronic signature solution (which serves millions of banking customers) is written in Erlang and Julia.
Information Technology
Okinawa, Japan
tsuriai.jp
Erlang is used across our business, including implementation of Automated Office. The AO client, server, registry and peer connectors are all implemented in Erlang, as is our code deployment infrastructure. We provide Erlang consulting and write game and chat backends in Erlang by contract.
Erlang powers our IRC bouncer software, websocket API, and our IRCv3 enhanced team IRC servers and Slack integration. We rely on Erlang’s power in concurrency, long running processes and message passing to provide an always connected, modern chat service.
Network entertainment content and sys...
Tokyo, Japan
dwango.co.jp/index.html
dwango.github.io
github.com/dwango
We use Erlang to develop Dwango Media Cluster (DMC) which is a content delivery system such as VoD and live streaming. Erlang is one of the core technologies in our company.
Erlang is used to develop WebRTC SFU software package, Sora. Erlang makes real-time communications comfortable along with fun of development and ease of operations.
Telecommunications
Moscow, Russia
flussonic.com
flussonic.com/blog
github.com/flussonic
Erlang is used to capture, record and stream video at 10-20 Gbit/s: TV channels, IP cameras, webinars
Customer Services
Amsterdam, the Netherlands
channel.me
channel.me/blog
github.com/channelme
Erlang is used to power our web based cobrowsing and chat solution. It allows us to keep our infrastructure performant, while still being simple and easy to maintain. This allows us to efficiently support our customers.
Financial
Stockholm, Sweden
klarna.com
knowledge.klarna.com
github.com/klarna
Erlang powers the core of Klarna’s system serving millions of customers in Europe.
Mobile Communications
Menlo Park, CA
whatsapp.com
blog.whatsapp.com
github.com/WhatsApp
How do you support 450 million users with only 32 engineers? For WhatsApp, the answer was Erlang.
Erlang is used in part to power Cloudant’s full-text search system.
Cloud based hosting
San Francisco, CA
heroku.com
blog.heroku.com
github.com/heroku
Erlang is used for routing requests to containers and Elixir is used for some internal systems.
Social networking
West Hollywood, CA.
grindr.com
github.com/grindrllc
Erlang is used as part of the system Grindr uses to maintain a reliable, top performing and scalable stack for more than 3.2 Million daily active users.
Financial
New York City, NY
goldmansachs.com
goldmansachs.com/careers/blog
github.com/goldmansachs
Erlang is being used by Goldman Sachs in part of its HF trading platform. The Goldman Sachs platform is a very low latency (microseconds) event-driven market data processing, strategy, and order submission engine.
Security
Montréal, Québec, Canada
genetec.com
resources.genetec.com/blog
IP video surveillance, access control, licence plate recognition, network security appliances
Telecommunications
Stockholm, Sweden
ericsson.com
ericsson.com/research-blog
github.com/Ericsson
Ericsson uses Erlang to develop many of its products and an estimated 40 percent of all mobile traffic worldwide is carried over the company’s network solutions.
BPMN Automation
Kyiv, Ukraine
nodeart.io
github.com/nodeart
We provide document automation engine based on BPMN, build on top of Erlang\Elixir.
BPMN Automation
Vilnius, Lithuania
erisata.com/en
github.com/erisata
We provide reliable Erlang based BPM, ESB solutions used in telecomunications and utilities sectors.
Erlang, Java & AWS. We can help you with developing the product, setting up infrastructure that is going to survive millions of concurrent users, perform full scale load tests to prove it and hook up business metrics, so that you can see it with your own eyes. Our main areas of expertise are Ad Tech, Instant Messaging, Public Transport & IoT.
Consultancy
London, United Kingdom
erlang-solutions.com
erlang-solutions.com/blog.html
github.com/esl
We build trusted, fault-tolerant systems that can scale to billions of users. Our Erlang & Elixir expertise is the backbone of our clients’ operations.
Networking
San Jose, CA
cisco.com
blogs.cisco.com
github.com/cisco
Cisco ships 2 million devices per year which utlize the power of Erlang resulting in 90% of all internet traffic going through Erlang controlled nodes.
Online Gambling
Stoke-on-Trent, United Kingdom
bet365.com
bet365techblog.com
github.com/bet365
Bet365 uses Erlang and Elixir to service 20 million+ users and to meet the demands of 100,000s of concurrent users at peak times.
Consultancy
Córdoba, Spain
altenwald.com
altenwald.org
github.com/altenwald
Altenwald is a company with wide experience helping others companies to grow with their technology stack and supporting and giving training for solutions based on Erlang and Elixir.
E-commerce
San Francisco, CA
adroll.com
blog.adroll.com
github.com/AdRoll
AdRoll uses Erlang within the live monitoring of their real-time bidding system. This involves live monitoring everything that could go wrong on a system receiving 500K+ bid requests per second, with a substantial monetary value attached.