Phone & SMS


Secure messenger for Matrix with a traditional instant messaging experience


Secure and distributed communication platform


VoIP User Agent app for Android based on baresip SIP library


VoIP User Agent app for Android based on baresip SIP library

Linphone - open source SIP client

SIP (VOIP) phone

Jitsi Meet

Instant video conferences efficiently adapting to your scale

SMS Import / Export

Imports and exports SMS and MMS messages and call logs.


uniquely stylized phone app with customizable features


Locate your smartphone via SMS when it gets lost


Chat on the Jabber network (XMPP protocol); focus on features for gateway users


A privacy centric matrix client

Simple Contacts Pro

A premium app for contact management with no ads, supports groups and favorites

Raise To Answer

Simply hold your phone to your ear to answer an incoming call


The Foehnix weather widget aims at helping pilots with weather conditions

Privacy Cell

Verify that a phone is using the most secure cell protocols.

Baby Phone

A pretend phone app for little people who want to practice talking to others.


Block unknown callers

Wire • Secure Messenger

Wire offers highly secure communication – anywhere and anytime.


A different database for contacts to keep them private only to you.


Redirect outgoing calls to Signal/Telegram/Threema


Vibrate on a call answer/end SMS

Send and read SMS via


Free and secure videoconferencing solution

Simlar - free and secure calls

Encrypted and free phone calls over the internet

Element - Secure Messenger

Group messenger - encrypted messaging, group chat and video calls

Simple sms remote

Control your device by sending text messages

SD Contacts

Automatically store your contacts to your SD card

Flash Alert - Call and Message

Blink the terminal when receiving a call, SMS or an application notification


BluePass extracts 2FA tokens from SMS and forwards them via Bluetooth

Yet Another Call Blocker

Block unwanted calls effortlessly