RepWifi
Connect to Wi-Fi using an external USB adapterGPL-3.0
Reservator
Display availablity of meeting roomsBSD-3-Clause
Retro Breaker
Simple brick breaker gameMIT
Retro Text Editor
Edit text filesBSD-2-Clause-FreeBSD
Retroboy
Retroboy provides vintage imaging technologyMIT
Revolution IRC
The next-generation IRC clientGPL-3.0
RF Analyzer
View HackRF plotsGPL-2.0
RGB Tool
Get RGB and HEX values of a colorApache-2.0
Rick App
play automatic burp in silent situationsBSD-2-Clause-FreeBSD
Rights alert
Permissions ReporterGPL-3.0
Ring
Secure and distributed communication platformGPL-3.0+
Ringdroid
Ringtone editorApache-2.0
Riot.im
Open team collaborationApache-2.0
Ripple
Trigger apps to protect your privacy when in anxious or panic situations
GPL-3.0+
RiverFerry
Seine-Maritime river ferriesGPL-3.0+
RKFRead
Transport card readerGPL-3.0+
Rocket Guardian
Do your duty and destroy the zombiesGPL-3.0+
RoMote
Roku remoteApache-2.0
Root Verifier
Check if device is rootedGPL-2.0+
Rotation Lock
Stop screen auto-rotationGPL-2.0
RPN
Reverse Polish Notation CalculatorGPL-3.0+
RPN
Very easy to use RPN CalculatorGPL-3.0
Rtl-sdr driver
Port of rtl-sdr's rtl_tcpGPL-2.0+
Ruler
Turn your mobile device into a rulerGPL-3.0
Rumble
Off-the-grid micro-blogging application for communitiesGPL-3.0
RunnerUp
Sports activities trackerGPL-3.0
SAnd
Show orientation, height and airpressureGPL-3.0
Sanity
Phone AssistantGPL-3.0+
Satoshi Proof
Prove chronology of eventsGPL-3.0
SatStat
GPS, sensor and network statusGPL-3.0+