Contributing to Software Development and Productivity
We experiment with diverse software products and research ways to improve developer productivity through open source development.
Our Journey
We have discovered and contributed to various open source projects, influencing many startups. We've grown developer communities and developed through quality, collaboration, and continuous learning. Participating as aLinux Foundation Speaker, we collaborate with global developers for communication and growth, and our major open source projects have receivedofficial sponsorship from Meta.
Open Source Contributions
Managing open source projects whenever possible, sharing knowledge and expertise with the community.
GitHub >Community Leadership
Running a developer community, focusing on sharing technology, and working to build developer relations.
Community >Open Source Leadership
Discovering and contributing to open source projects focused on solving cross-platform fragmentation and improving developer productivity.
Open IAP Specification
openiap.dev →Working on the Open IAP Specification to create unified standards for In-App Purchase APIs, focusing on creating consistent and developer-friendly IAP implementations across different platforms.
We're actively maintaining and developing IAP libraries includingkmp-iap(Kotlin Multiplatform),expo-iap(React Native/Expo),flutter_inapp_purchase(Flutter) to unify and standardize IAP APIs across multiple platforms.
Products
While app and platform development are not our main focus, we develop software for various experimental purposes and validate developer productivity through these efforts.
Writexy
AI-powered collaborative writing platform. Make writing more attractive with AI. Experience creative writing with real-time collaboration and AI assistant using Markdown.
Luent
Master vocabulary like never before! Challenge yourself with the smart vocabulary quiz app Luent and expand your word power!
Martie
Transform your commute into brain-boosting time! Exercise your mind with the cute and clever crow Martie, turning everyday moments into knowledge-building adventures.
Consulting
While not our main focus, we provide consulting services to select partners. Hyo Dev provides expertise in the following areas:
Cross-Platform Application Development
Technology Strategy Planning
Team Mentoring