Yet Another Call Blocker

Block unwanted calls effortlessly

NoPhoneSpam

Block unwanted calls

Raise To Answer

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

Element (Riot.im)

All-in-one secure chat app powered by Matrix

SchildiChat

Secure messenger for Matrix with a traditional instant messaging experience

Syphon

A privacy centric matrix client

VoIP.ms SMS

Send and read SMS via voip.ms

Linphone

SIP (VOIP) phone

Jitsi Meet

Instant video conferences efficiently adapting to your scale

Simple Contacts Pro

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

Finder

Remote mobile phone searching via SMS requests.

SMS Forward

SMS Forward is a simple app that allows you to redirect SMS.

Riot.im

Welcome to Riot: a new world of open communication!

Open In WhatsApp

Open chats in WhatsApp without saving contact to phonebook.

Jami

Secure and distributed communication platform

OpenContacts

Hide contacts away from apps stealing your contacts information

Streak Alarm

Snapchat Streaks Reminder

miniVector

A minimalistic Matrix client for team collaboration

Contact Book

Manage your contacts in a local addressbook

smsQ

Receive your SMS messages in Telegram

Epistolaire

SMS and MMS backup

Föhnix

The Foehnix weather widget aims at helping pilots with weather conditions

QKSMS

Messaging app

FlashAlert

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

SmsMatrix

Matrix SMS bridge

SimpleStatsWidget

Displays simple statistics on phone calls and sms

Librem Chat

Peace of Mind+

A flight-mode timer

Meshenger

An Open-Source P2P Messenger

Block6

Block6 is an SMS app that makes it easy to block messages from numbers you don't

Silence

Encrypted SMS/MMS conversations made easy!

PanicTrigger

Helps you and others in case of an emergency

Emerald Dialer

Make calls, view call log

Simple sms remote

Control your device by sending text messages

Sipdroid

A SIP (VOIP) client

Nextcloud SMS

Synchronize your SMS messages with ownCloud

Image SMS

Send very small photos with long text SMS and without MMS or internet

Share my number

Share your contact information with ease

Device Locator

IMCKTG

Generates ringtones from strings, either as Morse code or spoken text

Blacklist Blocker

Block unwanted calls and/or SMS

ShellMS

Send SMS via Android SDK

SMS Backup+

Backup SMS, MMS and call history to Gmail, Google Calendar or IMAP.

SMS Ping

Send silent SMS

Lumicall

SIP softphone

Auto-Away

Auto respond calls and messages

SMS Scheduler

Lets you schedule an sms to be sent at a specific time

Free Mobile Netstat

Monitor your Free Mobile plan

Serval Mesh

Peer to peer communications

My Contacts

Quickly access your contacts

SIP Switch

Access Internet call settings

Little Sir Echo

Repeat SMS notifications

Ensichat

Decentralized Instant Messenger

SIP Caller

Dial SIP numbers

Dumbphone Assistant

Copy contacts to SIM card and back

DualSim Reminder

Tools for dual SIM devices from Samsung

Multi Sms

Send SMS to many contacts

TAC Database Client

Gather and upload TAC data

Battery level

Filter SMS and show them in a fake app

Roaming Info

Notify about SIM operator changes

Paranoid Sms Blocker

Block unknown SMS

Misbothering SMS Receiver

SMS alerts filter

Calculate!

Set one-click emergency options

OverFlow

Send SMS in bulk

Blue Mono Sound

Redirect audio to bluetooth headset

SMS Spammer

Sends multiple SMS

SMSsync

SMS to internet gateway

SMS Filter

Filter text messages by keyword or address

Say My Texts

Read out received text messages

Dashclock: Last Caller

Previous caller on lock screen

CallerDetails

Show additional caller details on calls

pttdroid

Walkie Talkie/Push to Talk

Flashback

When somebody calls, Flashback shows recent calls and SMSes to/from the caller

Ermete SMS

Send SMS via the web

GTalkSMS

Control your phone via XMPP

SMS Popup

Display SMS directly

Pocket Talk

Read text messages in Morse code or aloud

QuiteSleep

Answer calls when you're busy

Dialer2

Clean T9-like dialer

Sanity

Phone Assistant

AutoAnswer

Auto-answer phone calls

Klaxon

SMS-based pager