Phone & SMS

SmsMatrix
Matrix SMS bridge

SimpleStatsWidget
Displays simple statistics on phone calls and sms

Peace of Mind+
A flight-mode timer

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!

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

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

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