Cashu.me is a Chaumian Ecash wallet for Bitcoin built as a progressive web app (PWA). It is free and open-source software released under the MIT license.

Block is looking for individual developers and developer teams who are interested in building novel Bitcoin mining applications with its Mining Development Kit (MDK) beta hardware and software. Apply before July 15, 2024.

GrapheneOS is an open-source, privacy and security-focused mobile operating system based on the Android Open Source Project (AOSP).

BlueWallet is a Bitcoin and Lightning wallet built with React Native and Electrum. Available on iOS, Android, and macOS.

zap.store uses nostr to establish identity, linking release artifacts to social profiles validated by the web of trust. This enables secure installs, new app discoverability layer and developer monetization via zaps.

LDK/rust-lightning is a highly performant and flexible implementation of the Lightning Network protocol.

COLDCARD Mk4 firmware v5.3.0 and Q firmware v1.2.0Q have been released.

Bitcoin Keeper is an open source, mobile multisig bitcoin wallet with inheritance features. Available on iOS and Android.

Blockstream Green is a multi-platform, feature-rich Bitcoin, Liquid and Lightning wallet.

This issue describes an idea for securing transactions with lamport signatures without requiring any consensus changes. Also included are regular sections with the summary of a Bitcoin Core PR Review Club, software announcements, and changes to popular Bitcoin infrastructure software.