Keep: FROST Nostr Signer

FROST threshold signer and Nostr event signer for AndroidMIT

Citrine

Nostr relay for AndroidMIT

nospeak

nospeak is a modern Nostr chat clientGPL-3.0-or-later

Amber

Nostr event signer for AndroidMIT

Monostr

Nostr with Monero tips. No Lightning, no custodian, no wallet inside.AGPL-3.0-or-later

Amethyst

Nostr Client for AndroidMIT

Coinos

Self-custodial bitcoin wallet: Ark spending, on-chain savings, nostr chatMIT

Flare

Browse Mastodon, Bluesky, X, Misskey, Nostr and RSS all in one app.GPL-3.0-only

CarrierPony

Private PGP messenger. End-to-end encrypted chat and file transfer, no account.Apache-2.0

Seca Messages

Private SMS, and end-to-end encrypted messages between Seca phonesAGPL-3.0-or-later

Kryfo

Private messages over Tor. No phone number, no account, no metadata trail.GPL-3.0-or-later

Bold Bitcoin Wallet

Seedless, secure Bitcoin wallet using Threshold Signatures. Apache-2.0

Cambium

NIP-55 signer that holds no keys: signing is proxied to a NIP-46 hardware bunkerMIT

XPRS

Off-grid messenger over the internet, Reticulum and a Bluetooth meshBSD-3-Clause