NeoGPS. NMEA and ublox GPS parser for Arduino, configurable to use as few as 10 bytes of RAM
750NeoSWSerial. Efficient alternative to SoftwareSerial with attachInterrupt for RX chars, simultaneous RX & TX
182NeoHWSerial. Arduino HardwareSerial with attachInterrupt for RX chars
49NeoICSerial. Arduino AltSoftSerial with attachInterrupt for RX chars
16CosaGPS. NMEA and ublox GPS parser for Arduino Cosa, configurable to use as few as 10 bytes of RAM
16NeoTee. Copy one Arduino Stream to multiple Streams
6AnalogGPSChrono. A bit of code for displaying GPS speed on a hacked up tachometer
3NeoBufferedPrint. Arduino Print class to increase efficiency of batched writes
2HTS. Heat Transfer System
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