Open source

Swiss bank-transfer on/off-ramp that pays out to the customer's own wallet

Swap front-end routing orders through third-party processing partners

Cross-chain DEX protocol for native BTC, ETH, SOL and stablecoin swaps

Open-source front end for atomic swaps between Bitcoin, Lightning, Liquid and Rootstock

Desktop wallet for peer-to-peer BTC-to-XMR atomic swaps, formerly UnstoppableSwap

Cross-chain DEX protocol for native asset swaps, with an official swap interface

Swap aggregator with an open-source front end and Tor access

Open-source desktop P2P exchange for bitcoin with no registration

Open-source protocol for non-custodial Monero trading over Tor

Open-source P2P bitcoin trading protocol over Nostr and Lightning hold invoices

P2P fiat on/off-ramp settling through smart-contract escrow and payment-app proofs

Mobile app for finding bitcoin trades within your own social network

Independent Haveno network for peer-to-peer Monero trading over Tor

Self-hosted cross-chain DEX using atomic swaps for Bitcoin, Monero and more

Swiss mobile P2P bitcoin app; sell offers restricted since September 2026

Telegram bot for P2P bitcoin trades settled over Lightning

Tor-based P2P bitcoin exchange settling over Lightning with robot identities

Largest Haveno-based Monero P2P network; exploited twice in mid-2026

Long-established open-source Bitcoin wallet with Lightning support

Self-custodial mobile Lightning wallet from ACINQ with automatic channels and swaps

Open-source desktop Bitcoin wallet that routes all traffic through Tor

Open-source self-custodial Bitcoin and Lightning wallet and remote node manager

Open-source multi-coin mobile and desktop wallet with strong Monero support

Open-source Android Monero wallet in development since 2017

Free open-source Monero desktop wallet for Linux, Tails, Windows and macOS

Official open-source Monero desktop wallets published by the Monero Project

Open-source Android Monero wallet descended from Mysu and Monerujo

Open-source Bitcoin-only wallet for iOS, Android and macOS

Self-custody Bitcoin mobile wallet and companion app for Passport hardware wallets

Desktop Bitcoin wallet focused on transparency, coin control and hardware wallets

Open-source Lightning wallet that runs a full lnd node on the phone

Maker of the Breez SDK and Glow, a non-custodial Lightning app built on it

Bitcoin multisig wallet with optional paid co-signing and inheritance plans

Open-source, non-custodial multi-coin wallet with Monero, for mobile and desktop

Self-custodial mobile wallet for Bitcoin, Lightning, Liquid and USDT

Self-custodial wallet for Bitcoin, Lightning and Liquid on mobile and desktop

Open-source multi-chain self-custody wallet with built-in DEX swaps

Self-custody multi-asset mobile wallet with Monero; login by username and password

Self-custody mobile wallet for shielded Zcash, renamed from Zashi

Self-hosted open-source payment processor supporting 50+ coins including Monero

Self-hosted backend service for receiving and tracking Monero payments

Self-hosted open-source crypto payment gateway with no transaction fees

Open-source app for creating crypto payment requests and watching them arrive

Self-hosted open-source Bitcoin payment processor with no fees and no third party

Open-source Nostr marketplace with self-custodial Lightning and Cashu payments

Canadian VPN with open-source apps, a free tier and crypto payment

Swedish VPN using numbered accounts; accepts cash by post and Monero

Swiss VPN with a free tier; paid plans payable in Bitcoin or cash

VPN with generated account IDs, no email, and cash, Monero or Bitcoin payment

Open-source VPN client for self-hosted servers, plus free and paid hosted VPN plans

Decentralised VPN with passphrase-only accounts and broad crypto payment

Open-source desktop client for the Sentinel decentralized VPN network, paid in crypto

Open-source decentralized VPN network with on-chain sessions and independent nodes

Onion-routed privacy network built into the open-source Portmaster firewall

Two-party VPN relaying through Mullvad exits; pay with Lightning or Monero

Donation-funded VPN from the Riseup collective that needs no account

Swiss end-to-end encrypted email with a free tier; paid plans payable in Bitcoin or cash

German encrypted email and calendar with open-source clients and a free tier

Anonymous email accounts paid over Bitcoin Lightning, 1,000 sats per year

Encrypted webmail with no phone or ID at signup; formerly branded CyberFear

US and Canadian phone numbers delivered over XMPP, built on open-source software

Open-source email alias service owned by Proton; self-hostable, crypto via reseller

Open-source email forwarding and hosting that processes forwarded mail in memory

Open-source password and email alias manager with a built-in mail server

Open-source email forwarding with on-the-fly aliases; yearly plans payable in crypto

Mozilla's email-masking service; requires an account with a verified email

Proton's AI assistant with zero-access encrypted chat history and guest access

AI assistant running open models in encrypted enclaves, with open-source client

Open protocol for pay-per-request AI inference paid with Cashu ecash and Lightning

AI assistant built into the Brave browser; no account or login for free use

End-to-end encrypted AI assistant from the creator of Signal; account required