2 Open Source Alternatives to Coyim
A list of 2 carefully selected open-source alternatives to Coyim.

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.
If you’re looking for alternative features or workflows, here is a prepared detailed list of Coyim open-source alternatives — each with its own distinctive strengths and key features.
Session Desktop is an onion routing based messenger that delivers end-to-end encrypted communications with an emphasis on absolute privacy. Offering anonymous sign-up with no phone number or email required, it provides secure, censorship-resistant messaging for both individuals and groups.

Key Features
- End-to-end encrypted messaging with onion routing
- Anonymous sign-up without phone numbers or emails
- Minimizes metadata to leave no digital trace
- Supports group chats, voice messages, and file attachments
- Fully open source for transparency and community contributions
- Censorship resistant with no central point of failure
Session uses a decentralized network and advanced onion routing techniques to ensure that messages are sent without leaking metadata. It offers features such as voice messaging, group chats supporting up to 100 participants, and secure file attachments, all built on a fully open source framework. Designed to prevent data breaches and tracking, Session empowers users to communicate freely without leaving digital footprints.
Berty is a secure peer-to-peer messaging app designed for seamless, censorship-free communication. It enables you to exchange messages without relying on centralized networks, ensuring your conversations remain private and anonymous.

Key Features
- Secure peer-to-peer messaging
- Censorship-resistant communication
- End-to-end encryption by default
- No internet or cellular data required
- Distributed and decentralized network architecture
- Easy contact sharing via QR codes and public keys
Berty leverages a fully distributed, decentralized network to facilitate messaging without the need for SIM cards or internet connectivity. With end-to-end encryption enabled by default, your conversations are protected even in restrictive environments. The app supports Bluetooth Low Energy (BLE) for uninterrupted communication and offers simple ways to add contacts via QR codes, public keys, or invite links.