Rebuilding legacy Android appsin modern Kotlin.

Breathing new life into open-source projects with Jetpack Compose, thoughtful architectures, and visual redesigns.

Case Studies

Each app follows a different modernization path.

Markor is a Java to KMP migration. RethinkDNS is a full redesign with a Compose port. NetGuard is a Java to Kotlin migration with Compose.

Markdown Editor

DNS & Firewall Privacy

Network Firewall

Library

A single-file icon transition component for Compose Multiplatform. Built to emulate iOS-style wipe animations using two icons and a mask.

Next Candidate

Compose redesign is in final polish and scheduled to ship in the next few days.

Compose UIScientific WorkflowHistoryMaterial 3

Next Candidate

Planned Kotlin modernization focused on reliable polling, cleaner state updates, and improved readability.

Kotlin PortCompose UICoroutinesMaterial 3

Approach

Every project follows the same disciplined arc — preserve what works, rebuild what doesn't, polish the surface.

Move critical Java surfaces to Kotlin without breaking project identity.

Refactor weak boundaries, state management, and async behavior where it matters.

Upgrade interaction patterns and visual language with pragmatic Material 3 updates.

Open Collaboration

Suggest an open-source Android project you'd like to see rebuilt in modern Kotlin. The most compelling ideas get queued up next.