Threema Alternatives for Linux

There are many alternatives to Threema for Linux if you are looking for a replacement. The best Linux alternative is Signal, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Threema and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Threema are Telegram, Element, Tox and Slack.

Threema alternatives are mainly Instant Messengers but may also be Encrypted Chat Apps or Group Chat Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Threema.

Threema

102

Paid • Open Source
Encrypted Chat App

Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that...

More about Threema

Threema alternatives page was last updated

Signal
Is this is a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Encrypted Chat App
Group Chat App
Mac
Windows
Linux
Android
iPhone
iPad
Flathub
Ubuntu
Debian
209 Signal alternatives
Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.
- - Signal is the most popular Windows, Android, Mac & iPhone alternative to Threema.
- - Signal is the most popular Open Source & free alternative to Threema.
Suggest and vote on features
Signal Features
1. End-to-End EncryptionSignal has E2E Encryption, for entire or parts of the app.
2. Privacy focusedSignal is considered a privacy friendly alternative.
3. Ad-freeSignal doesn't contain any form of external advertising.
4. Self Destructing MessagesSignal supports the use of private messages that will be auto deleted according to a specified time or action.
5. No TrackingSignal will not track you or use your personal data.
6. Dark ModeSignal supports dark mode for comfortable usage in low light conditions.
7. VoiP CallsSignal allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
8. LightweightSignal consumes less device resources compared to similar apps.
9. Works OfflineSignal can be used without the need to connect to the internet.
Security focused
Private messaging
Encrypted Connection
Mobile friendly
GPLv3
Secure Chat
Stickers
Desktop Application
Based on phone number
Protected by Password
Comments about Signal as a Alternative to Threema
Almost everyone thinks Signal is a great Threema alternative.
Guest
Independent and good cryptography.
Positive comment •
3
Telegram
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Instant Messenger
Group Chat App
Encrypted Chat App
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
HUAWEI AppGallery
Windows Phone
iPad
Apple Watch
Linux Mobile
Android Wear
PortableApps.com
FreeBSD
272 Telegram alternatives
Telegram is a messaging app created by former VK creators with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful.
- - Telegram is the most popular Web-based & Android Tablet alternative to Threema.
Suggest and vote on features
Telegram Features
1. LightweightTelegram consumes less device resources compared to similar apps.
2. Ad-freeTelegram doesn't contain any form of external advertising.
3. End-to-End EncryptionTelegram has E2E Encryption, for entire or parts of the app.
4. Privacy focusedTelegram is considered a privacy friendly alternative.
5. Dark ModeTelegram supports dark mode for comfortable usage in low light conditions.
6. VoiP CallsTelegram allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
7. Multiple Account supportTelegram support multiple accounts without the need to logout and login
8. IFTTT IntegrationYou can connect different services to automatically trigger actions within Telegram using IFTTT.
9. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
Stickers
Chat Bot
Multi Device Support
Channels
Bots
Secret chats
Cloud based
Animated stickers
Integrated File Sharing
Persistent History
Comments about Telegram as a Alternative to Threema
Most users think Telegram is a great Threema alternative.
Guest
Cloud data instead of private data
Negative comment •
5
Element
Is this is a good alternative?
Yes
No
Freemium • Open Source
Group Chat App
Instant Messenger
Encrypted Chat App
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Self-Hosted
Matrix.org
Flathub
F-Droid
Cloudron
275 Element alternatives
Element is a secure collaboration and messaging app based on the Matrix protocol. It’s decentralised to deliver digital sovereignty, and based on an open standard for easy connections and interoperability. It is end-to-end encrypted by default.
- - Element is the most popular Self-Hosted alternative to Threema.
Suggest and vote on features
Element Features
1. DecentralizedElement is based on a decentralized infrastructure with no single entity controlling it.
2. End-to-End EncryptionElement has E2E Encryption, for entire or parts of the app.
3. Privacy focusedElement is considered a privacy friendly alternative.
4. VoiP CallsElement allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
5. Dark ModeElement supports dark mode for comfortable usage in low light conditions.
6. Support for MarkDownElement supports MarkDown for document formatting.
7. File VersioningElement has a version system that lets you view and go back to older versions of the project/file/document.
8. No TrackingElement will not track you or use your personal data.
9. Real time collaborationMultiple users can work together in Element simultaneously.
Federated
Matrix Protocol
Voice Chat
Federation
Direct Messaging
Custom widgets
Simple installation
Clean design
Multiple languages
Per-room avatars
Tox
Is this is a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Encrypted Chat App
Group Chat App
Mac
Windows
Linux
Android
Android Tablet
BSD
F-Droid
193 Tox alternatives
With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in.
Suggest and vote on features
Tox Features
1. DecentralizedTox is based on a decentralized infrastructure with no single entity controlling it.
2. Privacy focusedTox is considered a privacy friendly alternative.
3. End-to-End EncryptionTox has E2E Encryption, for entire or parts of the app.
4. No registration requiredYou can use most of the features in Tox without registration.
5. No TrackingTox will not track you or use your personal data.
6. AES-256 EncryptionTox has AES-256 Encryption, i.e. very strong security.
7. Screen SharingYou can use Tox to share your screen with your colleages or friends.
8. LightweightTox consumes less device resources compared to similar apps.
9. Dark ModeTox supports dark mode for comfortable usage in low light conditions.
Peer-To-Peer
Security focused
Multiplatform
P2P Network
Built-in player
GPLv3
Client side encryption
White-labeled
Point-to-point encryption
VoiP Calls
Comments about Tox as a Alternative to Threema
Most users think Tox is a great Threema alternative.
Oscar Sanderson
Tox is peer to peer meaning with no relying on central servers (unlike Threema), is free (unlike Threema) and can be run through Tor (although that isn't by defualt)
Positive comment •
0
Slack
Is this is a good alternative?
Yes
No
Freemium • Proprietary
Group Chat App
Instant Messenger
Team Collaboration Tool
Mac
Windows
Linux
Android
iPhone
Chrome OS
Android Tablet
iPad
Electron / Atom Shell
Software as a Service (SaaS)
213 Slack alternatives
Slack is a unified communication platform built with an optimized workflow to keep modern teams focused and productive. A familiar chat interface facilitates discussions while advanced features are easily exposed based on context.
- - Slack is the most popular SaaS alternative to Threema.
Suggest and vote on features
Slack Features
1. Extensible by Plugins/ExtensionsSlack can be extended with add-ons, plugins and extensions.
2. Support for @mentionsSlack supports the use of mentions through @ to a particular user, who will be notified personally.
3. IFTTT IntegrationYou can connect different services to automatically trigger actions within Slack using IFTTT.
4. VoiP CallsSlack allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
5. Real time collaborationMultiple users can work together in Slack simultaneously.
Multi Channel
Threaded Conversations
HIPAA compliant
Channels
Out Of The Box
Team work
Electron based
App integration
Live Push Notifications
Onboarding
Wire
Is this is a good alternative?
Yes
No
Free Personal • Open Source
Group Chat App
Instant Messenger
Video Calling App
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
iPad
Self-Hosted
F-Droid
Software as a Service (SaaS)
262 Wire alternatives
Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.
Suggest and vote on features
Wire Features
1. End-to-End EncryptionWire has E2E Encryption, for entire or parts of the app.
2. VoiP CallsWire allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
3. Screen SharingYou can use Wire to share your screen with your colleages or friends.
4. Privacy focusedWire is considered a privacy friendly alternative.
5. Multiple Account supportWire support multiple accounts without the need to logout and login
Security focused
Encrypted calls
Voice Chat
File Sending
Voice messages
WebRTC
Private Chat
Secure Chat
Integrated File Sharing
Secure File Sharing
Zulip
Is this is a good alternative?
Yes
No
Free Personal • Open Source
Group Chat App
Instant Messenger
Encrypted Chat App
Mac
Windows
Linux
Online
Android
iPhone
Android Tablet
BSD
iPad
Self-Hosted
223 Zulip alternatives
Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.
Suggest and vote on features
Zulip Features
1. Support for MarkDownZulip supports MarkDown for document formatting.
2. Syntax HighlightingZulip supports syntax highlighting for various programming and markup languages.
Threaded Conversations
Support for Hotkeys
Community-based
Integrated File Sharing
Chat Bot
GitHub integration
Secure Chat
Third party integrations
Chat organizer
Live topics
Briar
Is this is a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Group Chat App
Encrypted Chat App
Linux
Android
Flathub
F-Droid
Windows
Mac
56 Briar alternatives
An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required.
Suggest and vote on features
Briar Features
1. DecentralizedBriar is based on a decentralized infrastructure with no single entity controlling it.
2. Works OfflineBriar can be used without the need to connect to the internet.
3. End-to-End EncryptionBriar has E2E Encryption, for entire or parts of the app.
4. No registration requiredYou can use most of the features in Briar without registration.
5. Self Destructing MessagesBriar supports the use of private messages that will be auto deleted according to a specified time or action.
6. Ad-freeBriar doesn't contain any form of external advertising.
7. LightweightBriar consumes less device resources compared to similar apps.
8. Dark ModeBriar supports dark mode for comfortable usage in low light conditions.
9. Privacy focusedBriar is considered a privacy friendly alternative.
Bluetooth Support
Mesh network
Support for TOR
Peer-To-Peer
LAN
Non-cloud solution
Secure Chat
Distributed
No Tracking
Sync via TOR network
SimpleX Chat
Is this is a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Encrypted Chat App
Group Chat App
Mac
Windows
Linux
Android
iPhone
Self-Hosted
46 SimpleX Chat alternatives
SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.
Suggest and vote on features
SimpleX Chat Features
1. Privacy focusedSimpleX Chat is considered a privacy friendly alternative.
2. End-to-End EncryptionSimpleX Chat has E2E Encryption, for entire or parts of the app.
3. DecentralizedSimpleX Chat is based on a decentralized infrastructure with no single entity controlling it.
4. Ad-freeSimpleX Chat doesn't contain any form of external advertising.
5. Dark ModeSimpleX Chat supports dark mode for comfortable usage in low light conditions.
6. Multiple Account supportSimpleX Chat support multiple accounts without the need to logout and login
7. No registration requiredYou can use most of the features in SimpleX Chat without registration.
FluffyChat
Is this is a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Group Chat App
Encrypted Chat App
Mac
Windows
Linux
Online
Android
iPhone
Flathub
Ubuntu Touch
F-Droid
178 FluffyChat alternatives
FluffyChat is an open, nonprofit and cute matrix messenger app for Ubuntu Touch, Android and iOS.
Suggest and vote on features
FluffyChat Features
1. DecentralizedFluffyChat is based on a decentralized infrastructure with no single entity controlling it.
2. End-to-End EncryptionFluffyChat has E2E Encryption, for entire or parts of the app.
3. Privacy focusedFluffyChat is considered a privacy friendly alternative.
4. Ad-freeFluffyChat doesn't contain any form of external advertising.
5. Dark ModeFluffyChat supports dark mode for comfortable usage in low light conditions.
Matrix Protocol
Voice messages
Security focused
Status
Is this is a good alternative?
Yes
No
Free • Open Source
Instant Messenger
Group Chat App
Mac
Windows
Linux
Android
iPhone
F-Droid
APK Downloader
177 Status alternatives
Status combines a private messenger, secure crypto wallet, and Ethereum Web3 DApp browser into one powerful communication tool. Chat with friends and growing communities. Buy, sell, store, and exchange digital assets.
Suggest and vote on features
Status Features
1. End-to-End EncryptionStatus has E2E Encryption, for entire or parts of the app.
2. DecentralizedStatus is based on a decentralized infrastructure with no single entity controlling it.
3. Privacy focusedStatus is considered a privacy friendly alternative.
Blockchain
Peer-To-Peer
Stickers
Desktop Application
Bitmessage
Is this is a good alternative?
Yes
No
Free • Open Source
Encrypted Chat App
Mac
Windows
Linux
BSD
51 Bitmessage alternatives
Bitmessage is a P2P communications protocol used to send encrypted messages to another person or to many subscribers. It is decentralized and trustless, meaning that you need-not inherently trust any entities like root certificate authorities.
Suggest and vote on features
Bitmessage Features
Peer-To-Peer