niallkh

Decompose

Kotlin Multiplatform lifecycle-aware business logic components (aka BLoCs) with routing (navigation) and pluggable UI (Jetpack Compose, SwiftUI, JS React, etc.)

android-keystore-audit

KHash

Different hash functions in Kotlin (SHA3 with Keccak and Shake variants, sha256, ripemd160)

svalinn-kotlin

🛡️❄️️ Kotlin libraries for Ethereum based Android development

tangem-app-android

bitcoin-kmp

Kotlin Multiplatform Bitcoin Library

lightning-kmp

An implementation of the Lightning Network in Kotlin.

ethereum-kit-android

Comprehensive EVM SDK (Ethereum, Binance Smart Chain, Avalanche, Arbitrum, Optimism, Polygon) for Android, implemented on Kotlin. Create wallets, watch wallets (read-only), sync transactions, filter transactions by type (erc20, bep20, swap transactions etc.), swap using native DEX protocols, connect to DeFi smart contracts using WalletConnect. Easily extendable to work with custom smart contracts. Full support for EIP1159.

unstoppable-wallet-android

A powerful non-custodial multi-wallet for Bitcoin, Ethereum, Binance Smart Chain, Avalanche, Solana and other blockchains. Non-custodial crypto and NFT storage, onchain decentralized exchange, institutional grade analytics for cryptcurrency and NFT markets, extensive privacy controls and human oriented design. Implemented on Kotlin.

bitcoin-kit-android

Comprehensive Bitcoin development library for Android, implemented on Kotlin. SPV wallet implementation for Bitcoin, Bitcoin Cash, Litecoin and Dash blockchains. Fully compliant with existing standards and BIPs.

trezor-firmware

:lock: Trezor Firmware Monorepo

secp256k1-kmp

Kotlin Multi Platform bindings for Bitcoin secp256k1 library.

trezor-android

:iphone: TREZOR Communication Library for Android

JWTDecode.Android

A library to help you decode JWTs for Android

java-jwt

Java implementation of JSON Web Token (JWT)

punk-contracts

eth-provider

A Universal Ethereum Provider Client

TwidereX-Android

Next generation of Twidere for Android

Outliner

Outlining application for elementary OS

etesync-notes

An EteSync backed note taking app

bellman

zk-SNARK library.

libsnark

C++ library for zkSNARKs

snark

Interfaces for Relations and SNARKs for these relations

trezor-suite

Trezor Suite Monorepo

workshops

Code and slides for OpenZeppelin Workshops

blockbook

:blue_book: Trezor address/account balance backend

openzeppelin-contracts

OpenZeppelin Contracts is a library for secure smart contract development.

javascript-algorithms

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

invest-openapi

Документация для Тинькофф Инвестиции OpenApi

AppManager

A full-featured package manager and viewer for Android