Sponsors
Ruby Sponsors
Money Forward, Inc.
Money Forward is a fintech startup delivering tools to visualize and improve both individuals' and SMEs' financial health.
Our BtoC service "Money Forward", is the largest personal financial management application in Japan.
Through web, smartphone and tablet, we automatically integrate data from over 2.6K data sources and deliver the service to more than 5.0M users.
Our BtoB service is a SaaS based solution, "MF Cloud series", a cloud solution for back office optimization. We serve more than 0.5M businesses.
In return to the power of open source we have benefited since launch of our product, we have employed a fulltime committer to further enhance the Ruby community.
Simply put, Money Forward moves your life forward, and Ruby further.
Drecom Co., Ltd.
With the aim to be an incubation center for new services that would bring fun and surprise to the world, Drecom Co., Ltd. has been challenging to produce new services that bring new lifestyle and value into the world since the foundation.
We designs, develops and offers various services that center around smart device communication, as exemplified by our entertainment content for smart device and online advertisement service, and our business focus lies in the following three areas: social gaming, ad solution/media.
Since 2005, we have applied Ruby for many of our applications and services and have been successfully drawing wide attentions for our services. As a way to appreciate and giving back, we continue to contribute to the Ruby community, through applying Ruby for our services and increasing engagement to the community.
Medley, Inc.
Medley is a technology company whose mission is to provide innovative solutions for the medical and healthcare industry.
We offer four main services: MEDLEY is an online medical encyclopedia, Job Medley is a recruitment service for healthcare professionals, Kaigo-no-Honne is a senior care referral service, and CLINICS is a #1 telemedicine app which has been used in over 500 clinics and hospitals. All of our products are developed with Ruby. At Ruby Biz Grand prix 2016, CLINICS won Social Innovation Prize.
Our products are being developed by the team consists of engineers, designers and doctors. We challenge ourselves every day to develop and deliver creative products that make people's lives better.
Ruby Committers Sponsor
Cookpad Inc.
Cookpad is a global technology company whose mission is to make cooking fun! Our services help people enjoy cooking daily across the world, including Japan, the USA, Spain, and Indonesia.
To help us continue to deliver value to our users as fast as possible, we’re exploring ways to split up our service with techniques such as microservices architecture and the development of a global recipe platform.
Pre Kaigi Sponsor
Speee, Inc.
Our mission is to " Think through every problem with depth and clarity. To bring the future a little forward.". We solve various issues in our society with technology. We have our core competence in Digital Consulting field. We have more businesses in various fields such as Online Media business, Medical business, Global business, and etc.
We invited Mr. Yukihiro Matsumoto and Mr. Goro Fuji as engineering advisers. This year, Mr. Kenta Murata, who is Ruby Committer, has joined. We aim to bring the future a little forward by developing businesses using technology.
After Kaigi Sponsor
pixiv Inc.
Supporting creators around the world, pixiv Inc. provides various
services which are visited by more than 40 million creators and their
fans.
BOOTH enables creators to sell their works. pixivFACTORY enables
creators to make goods easily from illustrations. pixiv Sketch and
Pawoo provide a place for creators to share their creations. These
activities are all supported by the power of the Ruby community!
Official Party Sponsor
Akatsuki Inc.
Akatsuki dreams of a society where emotion develops into rewards. People are content and act voluntarily in the society.
For the mainstay mobile gaming business, we develop and operate games to provide exciting user experience.
We also want to provide the world with excitement and connection through several businesses including the Live Experience business, where we provide real fun experiences.
Name Badge Sponsor
Sansan, Inc.
Developed with Ruby, Eight is a business card app in Japan with over 1.5 million users.
We provide both iOS and Android apps, as well as a Web version.
Users can digitally manage all business cards at hand just by taking photos.
Enabling users to post business updates to all connected users,
we have designed the app to help utilize your business network in the 21st century.
It is developed by Sansan, Inc., the leading business card management service company based in Tokyo.
Platinum Sponsors
Tabelog
Tabelog is the best way to find restaurants and review them in Japan.
From 2005, we have accumulated over 19 Million Reviews and data for about 850k restaurants. We help "Over 90 Million People" find their best restaurant with scores based on the reviews. Along with our Search Service, we also provide a Booking Service, Credit Card Payment Service and so on. Since 2007, we have been developing Tabelog with Ruby. We're hiring Rubyists! Help us build further splendid service.
SmartHR
SmartHR is a SaaS which focuses on increasing productivity in back offices.
We take care of boredom paperwork by putting everything in the cloud.
No more handwriting. No more waiting at Government Offices. Just fill out a simple online form and SmartHR generates digital versions of pension, employment/health insurance, and other HR-related documents – which can then be submitted to the appropriate offices through e-Gov API by a single click of a button.
As a big fan of Ruby, we're excited to become a sponsor of this Kaigi.
DWANGO Co., Ltd.
We, DWANGO Co., Ltd., are an entertainment company striving to create the next generation of network communication throughout various genres such as gaming and music. Our products include online and packaged games, music services for mobile, and “niconico douga”—a service that has over 50 million registered users and is one of Japan’s largest video sites. We confide in our strength of innovative ideas and advanced networking technology to provide high quality content across various platforms.
Platinum Drinkup Sponsor
Agileware Inc.
We are a team of Ruby experts specialized in Agile Software Development. Flexible work schedules and the freedom to try out new technologies are some of the reasons that attract excellent engineers to our company. Our Agile development philosophy allows us to take on even most difficult projects. Apart from contract work we are developing the Redmine plugin Lychee Redmine which offers essential features like Kanban and Gantt-Charts for Project Managers and Agile Developers at affordable prices. Businesses of all sizes and over 23,000 users trusting Lychee Redmine testify to our constant effort to offer greatest satisfaction at unbeatable speed to our customers.
Eiwa System Management, Inc.
ESM, Eiwa System Management is one of Japan's premier companies building Ruby/Rails applications in an agile way. We believe in Ruby and Agile because we believe in people. We build applications which work well and make customers happy.
Pin Badge Sponsor
QUEUE, Inc.
BRILLIANCE+ is the best service for giving an engagement to your loved one.
We collect information for over 10,000 high quality diamonds and directly import them from all over the world.
As our products are managed mostly through data, we do not require storage space for our inventory nor require to sell unsold goods through showcases. Instead, we have Japanese craftsmen, designers, and showrooms to devote our time to tailoring diamonds to our customers wants.
This is based on our mission to `Make everyone splendor’. We are proud to be happy together with our customers. Search `BRILLIANCE+’.
Hosting Sponsor
Heroku
Heroku, a Salesforce company and industry pioneer in platform as a service (PaaS), enables developers to build and run applications entirely in the cloud, without the need to purchase or maintain any servers or software. Over 8 million apps, including ones from Product Hunt, Casper and Citrix run on Heroku. With support for the most popular languages such as Ruby and Node.js, high-scale data services including Postgres, Redis and Kafka, and an add-ons ecosystem featuring over 150 cloud application services, Heroku provides companies from startups to Fortune 500 enterprises with a faster and more effective way to create, deploy and manage beautiful apps in the cloud.
Gold Sponsors
Minnano Wedding
Minnano Wedding provides accurate and reliable information about 'wedding' as a customer generated media. We focus on user's true voice. To improve quality and speed in development aspect, we've been using Ruby on Rails since 2012. Now we need more 'Rubyist' to push forward our project. Come and join us!
RakSul Inc.
Since the foundation, it has been RakSul's belief that better designed systems can bring significant structural changes to many industries. We have made such changes in printing and logistics industries and Ruby has made this possible. We support Ruby community as it continues to be the key to realize our mission.
freee K.K.
freee provides cloud-based “accounting” & “HR” software to serve the SMBs which focus on their creative jobs by automating and simplifying their back-office tasks. Our current customers have exceeded more than 800k as of Apr 2017 and freee is the market leader of both cloud-based accounting and HR software in Japan.
Bit Journey, Inc.
Bit Journey, Inc. was established in 2015. We are using Ruby on Rails to develop [Kibela](https://kibe.la), an information sharing tool for building powerfully creative teams. We are truly grateful to the Ruby and open source community.
Tenshoku DRAFT
The world determines the market value of IT engineers.
Tenshoku DRAFT, is a career change service where companies bid on IT engineers based on their skills and experience, just like the professional baseball draft.
M3, Inc.
M3 is a Tokyo-based, global company whose mission is to help more people around the world live healthier, happier lives by reducing the cost of health care in Japan and abroad using web technology. M3 group, operates online physician sites, comprised of more than 4.0 million doctors worldwide.
Recruit Marketing Partners Co.,Ltd.
Recruit Marketing Partners is providing the best learning environment for everyone aiming to solve the problem of education gap and online study service used by half of all entrance exam students in Japan.Study Sapuri tackles this issue head on by removing disparities that arise due to time location or finances for future.
Takeyu Web Inc.
Takeyu Web, a company that develops IT services using Ruby on Rails, aims to be Japan’s freest, easiest company to work at. We’re creating an environment where people can work anywhere, anytime. We welcome anyone who wants freedom in their work, or wants to spread our vision of working freely.
PIXTA Inc.
PIXTA is the leading stock photo marketplace in Japan. Our website was
created using Ruby by a team of about 20 engineers.
Recently, after a Rails upgrade, our engineers improved the E2E
testing coverage and increased the website response speed. We adopted
a microservices architecture aiming for maintainability.
Opt, Inc.
Opt, Inc. is an "Innovation Agency" in Japan.
While running parallel with the vision and mission of various customers, innovate business and create new value.
By our system, we provide value for society through marketing and technology.
As an engineer-led organization, "Opt Technologies", we will make further leaps forward this year.
Minimal Technologies Inc.
Minimal Technologies Inc., based in Tokyo, develops the website localization tool WOVN.io.
WOVN.io allows you to translate your website with one line of code in minutes.
WOVN.io has been written as a Ruby on Rails application from the start.
Simply put, WOVN.io is powered by Ruby.
Misoca Inc.
Misoca, Inc. is a Fintech start-up based in Nagoya, Japan, and is providing a cloud invoicing service for freelancers and small business owners.
Our mission statement is "Simplify business operation by code". We are trying to build services to help complex back office operations and to change business custom.
SMS CO., LTD.
SMS is a global company whose mission is to create values and contribute to society by providing an "information infrastructure for an aging society." We have developed over 40 services based on infromation technology which are targeting those who are associated with aging society in Japan and Asia Oceania since our founding in 2003.
Degica
Degica is a leading provider of Japanese digital commerce solutions. Our Ruby-powered e-commerce and digital payment technologies provide global businesses and developers the access they need to penetrate and succeed in the Japanese market. We are active supporters of the Ruby community and our engineers are prominent contributors to the Ruby ecosystem.
JetBrains
JetBrains create intelligent, productivity-enhancing tools for software developers to simplify their challenging tasks and automate the routine ones. JetBrains RubyMine (www.jetbrains.com/ruby), the most powerful Ruby and Rails IDE, is famous for outstanding code analysis, refactorings, test runner, debugger, VCS support and other essential tools supporting cutting-edge Ruby technologies.
Aiming Inc.
Aiming Inc. strives to be the number one online smartphone games company in the world. Our real-time communication and web technologies on the server side are written mainly in, and supported by, Ruby.
GitHub
GitHub is how people build software. Millions of individuals and organizations around the world use GitHub to discover, share, and contribute to software—from games and experiments to popular frameworks and leading applications. Together, we're defining how software is built today.
Atlassian Japan
Our company was founded in 2002 with a mission to unleash the potential in every team. Our team
collaboration software - across JIRA Software, Confluence, Bitbucket, HipChat, and JIRA Service Desk -
removes the friction inherent in teamwork, making it easier for teams to organize, discuss and complete
shared work.
Fastly
Fastly helps the world’s most popular digital businesses keep pace with customer expectations by delivering fast, secure, and scalable online experiences. Founded in 2011, Fastly powers online destinations including Airbnb, GitHub, Alaska Airlines, Pinterest, Vimeo, The Guardian, The New York Times and Ticketmaster. Learn more at Fastly.com and follow us on Twitter @fastly.
Bizcast Inc.
BitStar is an influencer marketing platform for influencers and brands.
Supporterz, Inc.
Supporrerz provides support and education based employment for engineers who want to succeed in IT companies.
We are providing a career-learning environment, through events, seminars and lectures to both students and workers in engineering.
Circulation Co., Ltd./flexy
Circulation creates society where experiences and knowledge are efficiently circulated, by creating new working values.
flexy is specialized in upper process of IT strategy and product development. Registered freelance engineers and designers are asked to contribute 1-5 days a week, to its clients’ IT issues.
Linkers Corporation
About Linkers - since our service release in 2014, we are operating a manufacturing-focused global matching platform -"Linkers"- which identifies the very best development partner / supplier / OEM subcontractor globally. Linkers provide matching with competitive local SMEs through our industry-academia-government professionals by meeting technical needs of multinational companies.
Gold Drinkup Sponsor
PayPal
PayPal is a service that enables you to pay, send money, and accept payments.
RubyKaraoke Sponsor
Shopify
Shopify is the leading cloud-based platform that powers over 500,000 businesses in approximately 175 countries. Merchants can use the software to design, set up, and manage their stores across multiple sales channels. Engineered for reliability and scale, enables enterprise-level technology available to businesses of all sizes.
Water Sponsor
GMO Pepabo, Inc.
GMO Pepabo, Inc. is a Tokyo and Fukuoka-based leading tech company that has strong advantages in technologies including Ruby-related ones such as Ruby, Rails, and mruby. We have contributed to the Ruby world for years; we employ a CRuby committer and many prominent Ruby hackers
Silver Sponsors
ClearCode Inc.
Free software is important in ClearCode. We develop/support software with our free software development experiences. We feed back our business experiences to free software.
Elastic
Elastic develops the open source Elastic Stack (Elasticsearch, Kibana, Beats, and Logstash), X-Pack (commercial features), and Elastic Cloud. Learn more at https://www.elastic.co.
I'LL inc.
We are developing and selling sales and inventory management systems for midsize and small businesses. The advantage is the approach from both "real" and "web".
Nintendo Co., Ltd.
We’ve been using Ruby to develop our network services.
We wish to work with engineers who would like to grow our business with us!
Toreta,Inc.
Toreta provide Reservation / CRM Solutions for restaurants.
We globally offer the service to improve productivity and “Omotenashi”.
The backend system is mostly developed in Ruby.
SideCI
SideCI automatically reviews your pull requests using tools like RuboCop and uncovers common problems. Reduce time spent code reviewing and focus on your product instead.
Space Pirates, LLC.
Space Pirates provides new development, human resources for development, consultations as planner and/or engineer for web services and what you need in exchange for treasures.
UridokiNet Inc.
UridokiNet Inc., based in Tokyo, aim to make reuse more accessible and build a recycle-based society by developing a platform among individual sellers and retailers.
Supership.Inc
Supership strives to make people`s lives more convenient by connecting everything to everyone and providing new value through our advertising, internet service, and platform businesses.
Nekojarashi Inc.
Online. Collaborative. Cloud Storage.
With Ruby as the core language, we provide a solution platform for video professionals that drives their creativity to its best.
CloudGarage.jp
Cloud Garage redefines Public Cloud for developers that allows multiple instances to be used with fixed monthly billing. Budget control becomes much easier！
Nursery Sponsor
Everyleaf Corporation
Since 2007 we have been supporting our clients' Rails app development. We assist developer's happy lives with their families.
Coffee Sponsor
Classi Corp.
Classi is cloud service for schools. It makes teaching and counselling students effective, also assists students' self-learning.
Video Sponsors
Increments Inc.
We've been using Ruby on Rails and offering Qiita, the knowledge sharing community for programming, and Qiita:Team, the team-wide knowledge sharing infra.
GMO Pepabo, Inc.
GMO Pepabo, Inc. is a Tokyo and Fukuoka-based tech company that has advantages in technologies including Ruby-related ones such as Ruby, Rails, and mruby.
DWANGO Co., Ltd.
We support the technical community by sponsoring and holding technical
events, and also facilitate the live-streaming and recording of technical events.
Network Sponsors
DMM.com Labo Co.,Ltd.
DMM.com Group provides a wide variety of web services to customers.
We are the first online video streaming distributor in Japan.
Cookpad Inc.
While participating as a Ruby committer sponsor, we're also providing Wi-Fi equipments for RubyKaigi!