Open source. Open possibilities.

Komi Store is a free, open-source cross-platform app store that indexes releases published on GitHub, Codeberg and Forgejo, letting users browse, discover and install open-source software with one click.

Okio is a modern I/O library for Android, Java, and Kotlin Multiplatform that complements java.io and java.nio to simplify data access, storage, and processing. Originally part of OkHttp, it is well-exercised and production-ready.

A highly customizable calendar library for Android and Compose Multiplatform, providing the logic for date displays while allowing developers to define the UI.

Provides an MCP server that fetches and analyzes Kotlin/Java library sources from Maven/Gradle, exposing API signatures, KDoc, source code, dependencies, and version listings via a set of tools for AI assistants and IDEs.

TroubaStack is a self-hosted collaborative annotation system for sheet music and lyrics, featuring a web editor, a Go-based sync server, and an offline mobile presenter.

Arranger is a work-in-progress, type-safe rich text editor engine and UI toolkit for Compose Multiplatform, with paragraph formatting, semantic runs, atomic mutations, undo/redo, and Markdown/HTML converters.

GKD is an open-source Android auto-click app built on Accessibility Service, using advanced selectors and subscription rules to automatically tap nodes or perform actions when conditions are met on specified screens, for skipping ads and simplifying repetitive processes.

Animeko is a danmaku追番 app combining browsing, tracking, and watching anime across Android, iOS, Windows, macOS, and Linux via Kotlin Multiplatform.