219 Signal alternativesSignal 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.
License model
- Free • Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Flathub
- Ubuntu
- Debian
+1
Top Signal Features
- End-to-End Encryption
- Privacy focused
- Security focused
- Ad-free
- Self Destructing Messages
- Private messaging
- No Tracking
- Encrypted Connection
- Dark Mode
- Lightweight
- VoiP Calls
- Support for MarkDown
282 Telegram alternativesTelegram is a messaging app with a focus on speed and security. It’s superfast, simple, and free. It is like SMS, but more powerful.
License model
- Freemium • Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- HUAWEI AppGallery
- Windows Phone
- iPad
- Apple Watch
- Linux Mobile
- Android Wear
- PortableApps.com
- FreeBSD
+1
Top Telegram Features
- Lightweight
- Stickers
- Chat Bot
- Ad-free
- End-to-End Encryption
- Privacy focused
- Multi Device Support
- Dark Mode
- VoiP Calls
- Multiple Account support
- IFTTT Integration
- Self Destructing Messages
94 Proton Mail alternativesSecure Swiss-based email with end-to-end encryption and zero third-party access. Available across devices, offering a free version to promote privacy.
License model
- Freemium • Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Tor
+1
Top Proton Mail Features
- End-to-End Encryption
- Privacy focused
- Encrypted Email
- Ad-free
- Two-factor Authentication
- Mobile friendly
- No Tracking
- Custom Domain
- PGP Encryption
- Dark Mode
- Self Destructing Messages
- Calendar Integration
120 Mastodon alternativesMastodon is a Free and Open Source federated social network, made with a focus on more personal interaction.
License model
- Free • Open Source
Application types
Platforms
- Online
- Android
- iPhone
- Self-Hosted
- F-Droid
- Cloudron
- iPad
+1
Top Mastodon Features
- Decentralized
- Federated
- Ad-free
- Fediverse
- Privacy focused
- Support for ActivityPub
- Dark Mode
- No Censorship
- Two-factor Authentication
- No Tracking
- Support for @mentions
- Multiple Account support
54 SimpleX Chat alternativesSimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption! Built on Haskell with Love and Coffee.
License model
- Free • Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Self-Hosted
- Flathub
- F-Droid
- Flatpak
+1
Top SimpleX Chat Features
- Privacy focused
- End-to-End Encryption
- Decentralized
- Ad-free
- No registration required
- Dark Mode
- Multiple Account support
- Self Destructing Messages
- Voice messages
- VoiP Calls
- Private notes
68 Keybase alternativesKeybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.
+1
License model
- Free • Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- iPad
- Ruby
- JavaScript
- Tor
- Go (Programming Language)
- Java
Top Keybase Features
- End-to-End Encryption
- Two-Step verification
- Security focused
- Public key encryption
- Git integration
- PGP Encryption
- Git Support
- Self Destructing Messages
- Encrypted Backup
- GPG Encryption
- Ad-free
- File Storage
64 Briar alternativesAn 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.
+1
License model
- Free • Open Source
Application types
Platforms
- Linux
- Android
- Flathub
- F-Droid
- Windows
- Mac
Top Briar Features
- Decentralized
- Works Offline
- Bluetooth Support
- End-to-End Encryption
- Mesh network
- Support for TOR
- No registration required
- Self Destructing Messages
- Ad-free
- Lightweight
- Dark Mode
- Privacy focused
67 Delta Chat alternativesDelta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.
License model
- Free • Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
- Flathub
- F-Droid
+1
Top Delta Chat Features
- Decentralized
- Encrypted Email
- IMAP Support
- Multiple languages
- End-to-End Encryption
- Dark Mode
- Privacy focused
- Ad-free
- Unified inbox
- Self Destructing Messages
- Multiple Account support
- Electron based
151 Conversations alternativesConversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
+1
License model
- Free • Open Source
Application types
Platforms
- Android
- Android Tablet
- F-Droid
Top Conversations Features
- Decentralized
- End-to-End Encryption
- Image Sharing
- Supports XMPP
- OpenPGP
- OMEMO
- Lightweight
- GPG Encryption
- Dark Mode
- Ad-free
- Self Destructing Messages
- Multiple Account support
75 Mailbox.org alternativesE-mail inbox, online office, cloud storage, and video conferencing. Business or personal plans. From 1 € /month (1.10 USD).
+1
Top Mailbox.org Features
- Custom Domain
- Encrypted Email
- IMAP Support
- Privacy focused
- PGP Encryption
- No Tracking
- Calendar Integration
- Spam Filter
- Two-factor Authentication
- Automatic Backup
- Real time collaboration
- Support for Aliases
132 Aether alternativesOpen source, self-governing communities with auditable moderation and mod elections.
+1
Aether Features
- Privacy focused
- P2P Network
- Free Speech
- Distributed
- Decentralized
- Self Destructing Messages
- Peer-To-Peer
- Mod election
- Community-based
DiscontinuedThe last update is from July 2021.
11 ArcaneChat alternativesArcaneChat is a Delta Chat client and was created with a focus on usability, good user experience, and saving data plan. Also the app usually experiments with new features that eventually might get added to the official Delta Chat client.
+1
License model
- Free • Open Source
Application types
Platforms
- Android
- F-Droid
ArcaneChat Features
- End-to-End Encryption
- Privacy focused
- Decentralized
- Self Destructing Messages
115 Firebase alternativesFirebase, provided by Google, is a backend service and application development platform. It uses AI, cloud infrastructure, and cross-platform SDKs for efficient app development. Firebase offers tools and infrastructure for app creation and business growth.
License model
- Freemium • Proprietary
Application types
Platforms
- Online
Firebase Features
- Backend
- Web-Database
- Scalable
- NoSQL database
- Self Destructing Messages
- REST API
- Messages in cloud
- Private messaging
- Real-time traffic
- Database Publishing
213 Telegram X alternativesAn alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.
+1
License model
- Free • Proprietary
Application types
Platforms
- Android
- Android Tablet
- Telegram
Top Telegram X Features
- Cloud Sync
- Ad-free
- Stickers
- Support for Themes
- Channels
- Integrated File Sharing
- End-to-End Encryption
- Self Destructing Messages
- Dark Mode
- Privacy focused
- VoiP Calls
- Bots
27 Telegram FOSS alternativesChat with friends, start group chats and share all kinds of content. All of your messages and conversations are stored in Telegram's cloud.
Top Telegram FOSS Features
- Cloud Sync
- Self Destructing Messages
- Unlimited storage
- Multiple Account support
- Two-factor Authentication
- Automatic Backup
- Privacy focused
- End-to-End Encryption
- Lightweight
- Secret chats
- Secure Chat
