The best open source alternative to Bridgefy is bitchat. If that doesn't suit you, our users have ranked more than 10 alternatives to Bridgefy and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Bridgefy are Briar, Berty, Cwtch and NOLOSS.
Decentralized messaging app enabling secure peer-to-peer communication over Bluetooth mesh networks with end-to-end encryption, channel-based group chats, store & forward delivery, automatic peer discovery, no accounts or phone numbers, and privacy safeguards.
United States
Censorship-resistant peer-to-peer messaging that bypasses centralized servers. Connect via Bluetooth, Wi-Fi or Tor, with privacy built-in.
Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network. Berty is a privacy-first messaging application built on top of the Berty Protocol.
France
EU
Cwtch - (a Welsh word roughly translating to “a hug that creates a safe place”) is a decentralized, privacy-preserving, multi-party messaging protocol that can be used to build metadata resistant applications.
Canada
NOLOSS is an Android chat app that lets you talk with people nearby, even where there is no cell signal and no Wi-Fi. Phones connect directly over Bluetooth, and the phones of people in between relay your message along, so it can reach someone who is out of direct range.
OSHI is a free, open-source, end-to-end encrypted messenger for iOS and Android that uses Bluetooth and Wi-Fi mesh networking to send messages without Internet or cellular service. OSHI does not require a phone number, email address, or account.
FranceEU
Ricochet Refresh is the new updated version of Ricochet, supported by Blueprint for Free Speech.. We are a non-government, not-for-profit organisation working to safeguard the freedom of expression for whistleblowers, activists, and everybody else, worldwide.
Tinfoil Chat (TFC) is a FOSS+FHD peer-to-peer messaging system that relies on high assurance hardware architecture to protect users from passive collection, MITM attacks and most importantly, remote key exfiltration.
Selene is a comprehensive peer-to-peer chat and file sharing application built on the Tor network. It enables secure, private communication and seamless file transfers between users, leveraging the anonymity and resilience of Tor.
Zerion is a secure messaging app and encrypted vault designed for people who need private, anonymous, censorship-resistant communication.
