Hi, I'm Ranbir 👋

📍 Earth | 🧑‍💻 Kotlin Multiplatform & Compose enthusiast | 🚀 Open Source Builder

Building cross-platform SDKs, developer tools, and CLI apps. I ship libraries that make other developers' lives easier — type-safe, coroutine-first, no compromises.

• ⚡ supabase-kmp — Kotlin Multiplatform SDK for Supabase
• 🧰 pocketbase-kmp — Kotlin Multiplatform SDK for PocketBase
• ☁️ cloudflare-kmp — KMP SDK and Worker gateway for Cloudflare D1, KV, R2, and realtime apps
• 🧠 openai-kmp — Kotlin Multiplatform SDK for OpenAI APIs
• 📊 posthog-kmp — type-safe analytics, feature flags, and session replay for PostHog
• 🔗 convex-kmp — coroutine-first Kotlin Multiplatform SDK for Convex
• 🏰 appwrite-kmp — modular Kotlin Multiplatform SDK for Appwrite
• 💰 superwall-kmp — remote paywall configuration, A/B testing, and subscription management
• 💳 dodopayments-kmp — Kotlin Multiplatform SDK for Dodo Payments
• 🚀 KtorBoost — Ktor client helpers for KMM and Compose Multiplatform
• 🔑 passkeys-kmp — Kotlin Multiplatform passkeys SDK with real native authenticators on Android, iOS, macOS, Windows, Linux, Wasm, and JVM
• 💬 kmpxmpp — Kotlin Multiplatform XMPP SDK for Android, iOS, and JVM with modular RFC/XEP support
• 📡 halo-kmp — Live Activities for Kotlin Multiplatform: ActivityKit on iOS, Android 16 live-update notifications, one API
• ⚡ quick-actions-kmp — home-screen quick actions for KMP: iOS shortcut items and Android dynamic shortcuts, one common API
• 🔐 Krypton — production-grade KMP encryption library using the Signal Protocol (X3DH + Double Ratchet)
• 🐘 postgres-kotlin-gen — generate kotlinx.serialization data classes directly from a Postgres/Supabase schema
• 🌱 supabase-kmp-spring — Spring Boot backend wired with Metro DI, using Supabase via the supabase-kmp SDK
• 🔥 flare-auth — Cloudflare-native authentication for Workers with D1, KV, and WebCrypto, zero dependencies

• 💧 Dropdown — customizable Compose Multiplatform dropdown menus with cascade animations
• 🌌 nebula — server-driven native UI for Kotlin Multiplatform, JSON to Compose without WebView
• ✨ mirage — 29 ultra-fast, zero-dependency AGSL shaders for Jetpack Compose that run entirely on the GPU
• 📧 Reply — the Material Study email app rebuilt in Compose Multiplatform with 1:1 components and Material motion
• 📊 Drafter — charting library for Compose Multiplatform applications
• 🌍 CountryPicker — customizable country picker for Compose Multiplatform
• 🍞 DhyanToast — Compose Multiplatform toast notifications with gestures, animations, and theming
• 🛡️ compose-guard — Android Studio plugin for Jetpack Compose best-practice detection
• 💠 Metaphor — Android Material motion system animations
• ☯️ Material-Intro — app intro flow with Material Motion animations
• 📓 Material-Notes — MVVM notes app with Hilt, Room, Flow, and Material Motion
• 🧱 Clean-Architecture — Kotlin Android clean architecture sample
• 💎 LiquidKit — Kotlin project for modern UI experiments

• 📊 DrafterFlutter — charting library for Flutter with 27 chart types, Catmull-Rom curves, and reveal animations, pure Dart
• 📈 DrafterCharts — native SwiftUI charting library with 27 charts, pure Swift, no dependencies
• 🃏 card_expand_flutter — App Store card expand transition in Flutter with drag to dismiss
• 🎬 cineflow — Flutter movie app on TMDB with Riverpod 3, hero transitions, and per-movie dynamic theming
• 🔄 supabase_realtime_kit — plug-and-play realtime and chat libraries for Flutter and Dart on Supabase
• 🖼️ piksel — type-safe, extensible Flutter image loading and caching
• 🧭 back_stack — Flutter navigation as a list you push and pop, type-safe and observable, no route graph
• 🔃 super_sync — generic offline-first sync engine for Dart, any model, any backend

• 🦀 rust-for-kotlin-devs — complete Rust guide for Kotlin developers with side-by-side comparisons and a 7-day plan
• 🎯 dart-for-kotlin-devs — every Kotlin concept mapped to its Dart equivalent

• 🎮 playconsole-cli — fast, lightweight, scriptable CLI for Google Play Console
• 💳 revenuecat-cli — fast, scriptable CLI for RevenueCat
• 📦 appwrite-cli — single-binary Appwrite CLI with profiles, formats, and environments
• 🚢 shipkit — AI-agent-friendly release cockpit for mobile apps
• ✅ cu-cli — command-line interface for ClickUp tasks, lists, and workspaces
• 🍺 homebrew-tap — Homebrew formulae for AndroidPoet tools

• 🧠 greymatter — human-like memory for AI CLIs
• 🧩 openmemory — local memory layer for Claude, ChatGPT, Cursor, and other AI tools
• 🐍 krait — security testing for AI agents
• 📚 rndocs — React Native docs as an offline CLI and MCP server
• 🪶 fldocs — Flutter and Jetpack Compose docs as an offline CLI and MCP server
• 🧱 fldocs-compose — Jetpack Compose docs as an offline CLI and MCP server
• 🦋 fldocs-flutter — Flutter docs as an offline CLI and MCP server
• 🤖 playconsole-cli-skills — agent skills for the Play Console CLI
• 🤖 revenuecat-cli-skills — agent skills for the RevenueCat CLI

• Building KMP SDKs — Wrapping backend platforms (Supabase, PostHog, Convex, Appwrite, Superwall) into clean, type-safe Kotlin Multiplatform libraries
• Shipping CLI tools — Fast Go binaries for developer workflows — Play Console, RevenueCat, Appwrite
• Compose everything — Pushing Compose Multiplatform to every platform it can reach
• AI-native development — Using Claude Code and agentic workflows to ship at ludicrous speed

• Featured in Google Dev Library
• 1k+ GitHub stars across projects
• Published on Maven Central — SDKs used across Android, iOS, Desktop, WasmJs

"Ship libraries that make other developers' lives easier. Type-safe, coroutine-first, no magic — just clean Kotlin."