Alternatives and similar repositories for extmodem

Users that are interested in extmodem are comparing it to the libraries listed below

• slepp / AX25
  AX25 Modem on AVR Devices
  ☆80Updated 12 years ago
• markqvist / MicroModemGP
  General purpose firmware for MicroModem with forward error correction and larger packet sizes
  ☆62Updated 6 years ago
• mobilinkd / tnc1
  Mobilinkd TNC1 Firmware
  ☆53Updated 7 years ago
• sivantoledo / javAX25
  AX25 Modem in Java
  ☆36Updated 13 years ago
• markqvist / MicroModem
  Atmega328p-based 1200 Baud AFSK radio modem
  ☆223Updated 5 years ago
• fsphil / ssdv
  A robust version of the JPEG image format, for transmission over an unreliable medium.
  ☆108Updated last month
• on1arf / pocsag
  pocsag library for arduino + demo application for si4332 RF modules
  ☆81Updated 11 years ago
• darksidelemm / dra818
  DRA818U/V Radio Module Arduino Library
  ☆30Updated 8 years ago
• sixuniform / yousdr
  ☆45Updated 10 years ago
• casebeer / afsk
  AFSK – Bell 202 Audio Frequency Shift Keying encoder and APRS client
  ☆87Updated 3 years ago
• 4x1md / vx8_gps
  DIY GPS module for Yaesu VX-8DR/VX-8DE handheld transceiver.
  ☆64Updated 2 years ago
• lelazary / UV3RMod
  Firmware and programmer to re-flash the UV3R radio
  ☆93Updated 11 years ago
• markqvist / MicroAPRS
  APRS fork of MicroModem
  ☆262Updated 3 years ago
• zenmetsu / radioModem
  Microcontroller based amateur radio modem. (BPSK31/RTTY/APRS)
  ☆56Updated 11 years ago
• EnhancedRadioDevices / HamShield
  HamShield Arduino Library and Example Sketches
  ☆134Updated 4 years ago
• wojciechk8 / MMDVM_pog
  A board for the Multi-Mode Digital Voice Modem
  ☆48Updated 7 years ago
• texane / librtlsdr
  Software to turn the RTL2832U into an SDR
  ☆34Updated 10 years ago
• DanAnkers / WsprryPi
  Bareback LF/MF WSPR transmitter using a Raspberry Pi
  ☆62Updated 5 years ago
• mutability / rtl-sdr
  RTL-SDR *very* experimental branch - it's probably broken!
  ☆133Updated 7 years ago
• airspy / airspyone_firmware
  AirSpy Firmware
  ☆162Updated 3 years ago
• projecthorus / wenet
  Wenet ("The Swift One") - Transmit and Receive code for the Project Horus High-Speed Imagery Payload.
  ☆107Updated 3 weeks ago
• opendous / Upconverter1v3
  Upconverter 125MHz v1.3 - Passive Upconverter Hardware Design for SDR
  ☆80Updated 10 years ago
• rtmrtmrtmrtm / basicft8
  An annotated simple FT8 demodulator.
  ☆51Updated 4 years ago
• rheslip / Teensy_SDR
  Software defined radio using Teensy 3.1, Teensy Audio shield and Softrock
  ☆91Updated 8 years ago
• ha7ilm / rpitx-app-note
  Application note on using GNU Radio and csdr with rpitx
  ☆102Updated 9 years ago
• f4goh / DRAPRS
  APRS with DRA818 module
  ☆29Updated 3 years ago
• robots / APRS
  aprs tracket and tnc based on bertos
  ☆23Updated 13 years ago
• ha7ilm / rtl_mus
  RTL Multi-User Server
  ☆43Updated 5 years ago
• pchickey / md380-re
  MD380 DMR Radio Reverse Engineering
  ☆125Updated 5 years ago
• gat3way / r820tweak
  Allows tweaking of unexposed R820T2 features
  ☆79Updated 8 years ago