Antennas, Transmission lines, Propagation

  • CocoaNec  cocoaNEC 2.0 is a Mac OS X application intended primarily for the design and modeling of antennas.
  • DX Toolbox  DX Toolbox gathers information from the web on solar and geomagnetic conditions that affect radio propagation. It displays in real-time Solar Flux, A-Index, K-Index, and much more.
  • KAT500UI  OS X application to control and display information from the Elecraft KAT500 automatic antenna tuner. Developed by DL2RUM.
  • LRotor  Rotor control for any controller using AlfaSpid, DCU, Prosistel model D, M2 RC-2800PX or Yaesu GS-232B command sets. Interacts with RUMlog as well to show DXCC and station heading.  For 64-bit Intel Macs.
  • RF Toolbox  RF Toolbox (formerly Antenna Master) is an antenna design electronics/electrical tool package . It takes you step by step through the design of a variety of antenna types including Dipole, Fat Dipole, Yagi, J-Pole and more.
  • SimSmith A Java-based application for development of Smith charts. Written by AE6TY for use with OS X, Windows, and Linux.
  • Solar Data Widget  Finally there is a Mac Dashboard Widget version of Paul Herrmans, N0NBH, solar terrestrial data!
  • T-Network Tuner Simulator  This is a simulator for the popular, series capacitor, parallel inductor T-network tuners. As a java applet/application, you can run this program through your web browser.
  • Transmission Line Caculator Java  A transmission line caculator Java applet that can be run on your computer or by using your web browser and the Internet. See instructions for downloading and running on your computer.
  • WSPR-X  Weak Signal Propagation Reporter (WSPR) software for analysis of propagation paths using very weak signals. Supports automatic online reporting of receptions reports. Superseded by WSJT-X with WSPR mode included.
  • WSPRnet  Reverse beacon network for WSPR mode. Allow you to see who you hear as well as who can hear you worldwide. Historical database contain more than 220 million spots.
  • Yagi Modeler  This java applet/application implements a simple yagi modeling code. The initial input is a really trivial 2-element yagi.

Audio Analysis, Recording, and Signal Generation

  • Amadeus Pro  Amadeus Pro is a powerful multitrack audio editor supporting a variety of formats including MP3, AAC and more. Has a variety of tools for adjusting audio, making sonograms or performing spectrum analysis of your recordings.
  • Audacity  Audacity is a free, easy-to-use open-source and cross-platform audio editor. You can use Audacity record, import/export, edit and perform detailed analysis of any recording.
  • Audiocorder  Audiocorder is a sophisticated yet easy to use audio recording program that allows you to record from any audio source connected to your Mac with a click of a button.
  • AudioXplorer  Simple-to-use audio analysis and waveform visualization tool. It is now retired but we have used it and it works well.
  • iSpectrum  iSpectrum is a free, simple and easy to use audio spectrum analyzer that allows the user to view live audio in a standard frequency plot as well as a waterfall display.
  • Loopback  Cable-Free audio routing through virtual audio cables. Ideal for connecting ham radio software to a variety of inputs and outputs.
  • Mac The Scope  Professional quality signal analyzer, 1/3 octave RTA, signal generator, and more. Perform real-time analysis using your Mac’s sound input for the signal source.
  • SignalScope  SignalScope is a signal analyzer designed to work with Mac OS X compatible audio hardware. It functions as a FFT analyzer as well as an oscilloscope. Also available in a Pro version.
  • Sound Siphon Cable-free routing of audio between any applications using virtual audio devices. An excellent way to connect SDRs and other radios to a variety of input and outputs.
  • Spectre Realtime Analysis Suite  A multi-instrument real time audio analyzer for Mac OS X with more than 20 different multi-channel meters including Level, VU, Spectrograph, Spectrogram and more.
  • Waavebox  Versatile, real-time, precision signal / waveform generator. Precision waveform generation with 6 digit frequency resolution and an intuitive, easy to use analog-style signal generator user interface.
  • WavePad  Full featured audio editor for Mac OS X v10.4 or newer as well as iPad.  Free for home use, or purchase for full access to professional features.

Blogs, Websites, Email Reflector Lists and Social Media Sites

Circuit Design, Analysis, Aids

  • DesignWorks for Mac  Draw, save, edit and print complete professional circuit diagrams using powerful features like bussing, multi-level Undo/Redo, and automatic gate packaging.
  • KiCad  KiCad is an open-source cross-platform schematic capture software package for circuit design.
  • LTspice IV  LTspice IV is a powerful simulation and schematic capture, PCB layout and 3D viewer package for OS X, Windows and Linux.
  • MacSpice 3f5  MacSpice simulates and analyses electronic circuits that can range in complexity from a single resistor to an integrated circuit comprising tens-of-thousands of devices.
  • Osmond PCB  Osmond PCB is a flexible Macintosh application that allows anyone to easily design printed circuit boards. Continuously updated, flexible, and easy-to-use.
  • PCBWarrior  PCBWarrior is a PCB-Layout software for older systems. Includes an easy, intuitive workflow with no limitation in board size, part count or layers.
  • Physics 101 SE  Complete Physics calculator including circuit design. Build a virtual series-parallel resistor circuit with mulitple voltage sources. Check the currents anywhere in the circuit and find the power, current and voltage through every resistor!
  • SimSmith  Java based Smith chart software for OS X, Linux and Windows.
  • Solve Elec  Software for electronic circuit analysis and resolution. With Solve Elec you can draw and analyze electrical circuits (AC or DC), get literal formulas and values for current and voltages, verify circuit equations, draw graphs, and more.

Contesting

  • 3830 Scores  Online submission and analysis of scores for contests
  • Black Cat CW Keyer  Black Cat CW Keyer lets you send morse code from your computer. You can type out the text to be sent (immediately or buffered) as well as create and send from one key macros.
  • Cab Converter  Cab-converter(TM) is a program that helps amateur radio contesters by converting a log from a radio contest into the Cabrillo file format which may be submitted to the contest.
  • Contesting.com  Worldwide home for contesting information and advice
  • Country Contest Files  Updated country files for use in most contesting software as well as some general logging and digital mode software.
  • HamLog FD  A Field Day logger client for iOS, OS X and Android to talk with HamLog Field Day Server. Logs are synchronized with the FDS meaning you could use iPad’s at each station, all talking to the server, and keep the logs synchronized.
  • HamLog FDS  Server-side application to work with HamLog FD. Takes logs from all stations using HamLog FD on the same network and combines them to one log.
  • RUMPed  RUMped is a DXpedition and contest logging tool for OSX. RUMped supports most major contests and also contains a general contest mode for unsupported contests, while new contests can be added by the user and shared with others. Superseded by the contest module in RUMlogNG.
  • SCR-Log  SCR-Log is freeware for School, Club, and Individual class stations participating in the School Club Roundup.
  • SkookumLogger  SkookumLogger ia a contest logger for OS X 10.7 or later. It supports CW and SSB contests on HF plus 6m-70cm. Several dozen contests are supported with more added as requested.
  • SM3CER Contest Service  European-centric website dedicated to HF contesting
  • WA7BNM Contest Calendar  Excellent website with comprehensive contest coverage, RSS feed and iCal interface as well.

Digital Modes / CW / APRS / TNC

  • Black Cat CW Keyer  Black Cat CW Keyer lets you send morse code from your computer. You can type out the text to be sent (immediately or buffered) as well as create and send from one key macros.
  • Cocoa Modem 2.0  Digital mode software that supports RTTY, PSK, MFSK, Hellschreiber, CW, and ASCII transmission along with SITOR-B, HF Fax and Synchronous AM reception. Developed by W7AY.
  • CWText  Improve your morse decoding proficiency. Listen to accurate morse code whenever you have a spare minute, wherever you are.
  • D-Rats  D-RATS is a small application designed to provide data communication capabilities with D-STAR radios. It supports text chatting, file transfers, position reporting and mapping, and much more!
  • DREAM  Enables reception and decoding of Digital Radio Mondiale (DRM) transmissions using OS X
  • EchoHAM (formerly EchoMac)  This is a program for MacOS X to access the EchoLink system.
  • EchoLink for iOS  EchoLink for iOS
  • Fldigi  Open source digital modes program that supports Contestia, CW, DominoEX, Hellschreiber, MFSK, MT63, NAVTEX/SITOR-B, Olivia, PSK, RTTY, Thor, Throb, WeFax and more. Developed by W1HKJ.
  • GPSy  Connects your Macintosh to a broad range of Global Positioning System (GPS) receivers, Loran-C, DECCA, and OMEGA navigational units.
  • JT-Bridge  Software that watches WSJT-X for CQ and flags new callsigns or new/unconfirmed DXCC entities. Can log entries to MacLoggerDX, RUMlogNG, and Aether as well. Written using Xcode and Swift.
  • Loopback  Cable-Free audio routing through virtual audio cables. Ideal for connecting ham radio software to a variety of inputs and outputs.
  • Mac HP GPS Control for the HP Z3801A or Z3816A  Mac HP GPS Control software allows owners of the Hewlett Packard HP Z3801A or Z3816A GPS Receiver to setup, control and monitor their receiver by means of a serial connection.
  • MacGPS Pro  MacGPS Pro is software for linking a GPS Receiver to any Macintosh. It allows import of maps, and supports real-time positioning, tracking, waypoints, and much more.
  • MacWinKeyer  K1GQ’s OS X native application for complete operation and settings on WinKeyer.
  • Morse Decoder  Takes audio input from the microphone or other input source, decodes Morse Code, and displays the text on the screen. Includes a variety of options.
  • Morse Decoder for iOS  Takes audio input from the microphone, decodes Morse Code, and displays the text on the screen. Includes a variety of options.
  • Multimode  MultiMode allows you to decode and transmit morse code, RTTY, FAX, SSTV, SITOR-B, NAVTEX, PACKET, ACARS, PSK31, ALE, and more without any extra hardware.
  • MultiScan 3B  Send and receive analog SSTV in most common modes. Functional, but with problems on newer version of OS X/macOS.
  • PocketPacket  APRS client for iOS and OS X incorporating a software-based TNC; allowing you to directly capture, visualize, or encode and transmit packets using a VHF transceiver or internet connection.
  • PSKer  PSK31 send and receive client for iOS, complete with configurable macros, automatic frequency locking, realtime sonogram, and support for mic and line-in as well as speaker and line-out.
  • SSTV  iOS client to send or receive SSTV using an audio connect cable, or simply set your iPad or iPhone next to your radio’s speaker and microphone.
  • WSJT-X  Software for use of weak-signal JT65 and JT9 modes. Versions available for OS X
  • WSPR-X  Weak Signal Propagation Reporter (WSPR) software for analysis of propagation paths using very weak signals. Supports automatic online reporting of receptions reports.
  • Xastir  APRS software; requires XFree86/XDarwin (X windows); instructions for installing on the Mac with OSX are provided in read me files included with package.
  • YAAC  “Yet Another APRS Client” is a platform-independent Java application that can be used as a stand-along APRS client, and RF-Internet gateway, or as an AX-25 router. Supports 11 different data reporting views and can be extended with user-developed plugins.

DX and DX Clusters

  • DX Maps  Excellent tool for finding and analyzing VHF/UHF openings. Available email notifications ensure you’ll never miss a VHF/UHF opening near you.
  • HamDXCluster for iOS  HamDXCluster for iOS
  • HamSpots  Online DX Cluster with many specialized pages for clubs, specific digital modes, and more.
  • iDxCluster  iDXCluster is an easy to use DX Cluster program geared towards SW listeners, DXers, utility monitors, and others.
  • iDXSpot  Announces DX-Spots by voice. Calculates distance and bearing between Grid locators. Both AR-Cluster and DX-Spider compatible.
  • Spot  Spot is a DXCluster client program for Mac OS X that automated spot and announcement filtering, automatic call sign lookup, and more. Powerful tool for DXCluster analysis.

Hardware & Interfaces

  • Elecraft Software  Configuration and update software for the Elecraft K-line of hardware, including the K3S, K3, KX3, P3, PX3, KPA500, KAT500, KXPA100, and more.  Elecraft continues to be the only Amateur Radio equipment line that provides updates and software that actively supports users on OS X.
  • FTDI VCP Drivers  Signed drivers for FTDI devices. Some devices that don’t work properly with the default Apple FTDI driver function normally with this driver.
  • microHAM Interfaces  High-end interfaces for rig control and digital modes. A variety of models and feature sets. Some products require use of “helper” applications on OS X like RUMrouter (DL2RUM) or uRouter (W7AY) while others work out-of-the-box with OS X and FTDI drivers.
  • Pignology, LLC  Maker of unique remote-control and wireless-control solutions, such as PigRemote v2 and Piglet. Includes full support of OS X and is supported by RUMlog2Go on iOS.
  • Prolific PL2303 Drivers  Signed device drivers for the popular PL2303 USB-Serial devices.
  • Radio Arena  UK-based supplier of USB CAT, audio, ICOM CT-17 and other cables for all makes of radios. Many products are compatible with OS X.
  • Silicon Labs VCP Drivers  Signed device drivers for the popular Silicon Labs built-in UART devices used in Icom, Kenwood, and Yaesu equipment.
  • Tigertronics SignaLink USB  Arguably the most popular digital mode interface. Provides a high-quality, isolated external sound card and PTT capability (No rig control) in a compact package fully supported in OS X.
  • Timewave Navigator  High-performance interface with CAT, PTT, WinKeyer, and true FSK all from a single USB cable. Has yet to release signed drivers for OS X 10.10 and beyond.
  • Tripplite USA-19HS USB-Serial Adapter  Arguably the best USB-Serial adapter for OS X. Includes full driver support for Mac OS 8.6 through the latest versions of OS X!
  • Valley Enterprises  Supplier of a number of USB-Serial and USB programming cables for a wide variety of amateur and two-way radios.

Licensing / Tutoring

  • Elmer  Elmer covers all elements, and prepares sample exams, which you take on your Mac. Each exam is graded, and you get to see which questions you missed.
  • Ham Tests  Ham Tests is an OS X or iOS application that provides practice tests for the U.S. amateur radio qualification exams. All three question pools are available. You can either take a randomly generated test or run through the entire question pool.
  • Koch Trainer  Koch Trainer is a morse code trainer for iOS and OS X that uses the Koch Method developed by the German psychologist Ludwig Koch in the 1930’s.
  • Morse  The Morse Code Teaching Machine software first described in QST, May 1977. This program teaches you to receive Morse code.
  • MorseMania  Morse Mania is a morse code tutor for OS X that provides three modules to help you learn morse code: (1) Learn Characters ; (2) Guess a Character and (3) Copy Groups.

Logging

  • Aether  Aether is a logging application for Mac OS X and includes tools to quickly and easily log, organize, search and track your QSOs later. Designed for OS X, Aether has the clean, intuitive, friendly interface you’ve come to expect on a Mac.
  • HamLog  Logging software for OS X and iOS, as well as Android. Optimized for operating portable or mobile, such as during Field Day. Support rig control via Piglet wireless interface.
  • HamLog FD  A Field Day logger client for iOS, OS X and Android to talk with HamLog Field Day Server. Logs are synchronized with the FDS meaning you could use iPad’s at each station, all talking to the server, and keep the logs synchronized.
  • HamLog FDS  Server-side application to work with HamLog FD. Takes logs from all stations using HamLog FD on the same network and combines them to one log.
  • JLog  Modern logging program that can run on all major platforms. Offers a nice, clean interface, support for CAT, CW keying, LoTW and eQSL, DX Cluster and much more. Apparently no longer under development.
  • KLog  Rewrite of former Linux-only KLog. Runs on OS X, Linux and Windows. Excellent multi-language support and expected logbook capabilities including QSL management, awards support, DX Cluster, Satellite and IOTA support, and more.
  • MacLoggerDX  The Swiss Army Knife of Amateur Radio. Logging software with CAT support for close to 100 radios, DX Cluster, 2D/3D maps, CW keyed, rag chew or contest modes, award tracking, QSL generation and MUCH more.
  • MacLoggerDX HD for iPad  iPad application that includes a logging function, DX Cluster to monitors spots, support for DXing, contesting or casual QSOs, log sync with MacLoggerDX, and much more.
  • RUMlogNG  RUMlogNG is a logger especially made for the DXer by a DXer. Logging features are included for bands up to 1.2 cm. Support for LoTW, eQSL, ClubLog, Paper QSL label printing,  along with CAT control of many rigs.
  • RUMlog2Go  Contact logging tool for amateur radio from DL2RUM. Similar to, and log file compatible, with OS X logger software RUMlog.
  • RUMPed  RUMped is a DXpedition and contest logging tool for OS X. RUMped supports most major contests and also contains a general contest mode for unsupported contests, while new contests can be added by the user and shared with others. Superseded by the contest module in RUMlogNG.
  • SCR-Log  SCR-Log is freeware for School, Club, and Individual class stations participating in the School Club Roundup.
  • SkookumLogger  SkookumLogger ia a contest logger for OS X 10.7 or later. It supports CW and SSB contests on HF plus 6m-70cm. Several dozen contests are supported with more added as requested.
  • YeaLogger  The YeaLogger is meant to be a simple and straight forward logging software for common HF band and common operating modes. Apparently no longer under development.

QSL, Reverse Beacon, and Reporter Services

  • Club Log  A free web-based tool for producing DXCC league tables, expedition tools, log search services, online QSL requests, propagation analysis, and most-wanted lists for ham radio.
  • DX Maps  Excellent tool for finding and analyzing VHF/UHF openings. Available email notifications ensure you’ll never miss a VHF/UHF opening near you.
  • eQSL  Online electronic QSL service with easy-to-use setup and use. Maintains own awards program and “AG” (Authenticity Guaranteed) QSLs are valid for some none-eQSL awards as well, but NOT for ARRL awards.
  • GlobalQSL  Online QSL printing and shipping provider. Simply upload your ADIF file and your QSLs are professionally printed and then shipped via the bureau system. Cost competitive with paper QSLs with no hassle!
  • HamQTH  Free amateur radio call book. Includes call database including free XML search (for registered users), DX Cluster, Forums and more.
  • Logbook of the World  The ARRL’s official online QSL service. The only online service valid for ARRL awards and some CQ awards. Earn DXCC, WAS, WPX, and more without sending paper QSLs. The choice of most major DX, DXpedition, and contest stations.
  • PSK Reporter  Graphical presentation of spot reports, including from skimmers and reverse beacon systems, showing stations you can hear and who can hear you. Great for analyzing the performance of a new antenna or determining best time for a particular propagation path
  • QSL Info Print  Software for printing QSL labels from MacLoggerDX.  Supports the Avery 5163 (5×2) label format only with single or multiple QSOs per label. More information available here.
  • TQSL Trusted QSL  Software used to convert a log file (in ADIF or Cabrillo file format) into a file of digitally signed QSO data, ready for submission to ARRL’s LoTW.
  • World Label  Over 100 label templates for use with Pages, including Avery equivalent labels as well as other speciality labels.
  • WSPRnet  Reverse beacon network for WSPR mode. Allow you to see who you hear as well as who can hear you worldwide. Historical database contain more than 220 million spots.

Radio Control

  • Chirp  Chirp provides frequency memory management for many Icom, Kenwood, Yaesu, and Wouxun handheld & mobile radios. It is free, open source, and cross platform written in Python.
  • FLRig  Part of the Fl* suite, Flrig is a transceiver control program designed to be used either stand alone or as an adjunct to Fldigi. Supports nearly 50 transceivers from Elecraft, Kenwood, Yaesu, TenTec, Icom and others.
  • IC-R75 Navigator  Allows Mac users to take control of their ICOM IC-R75 communications receiver through a serial port such as the ZLP CT62. Direct frequency entry, filter and mode control, and browsing of stored memories.
  • KX3UI / K3UI / K2UI  OS X apps to control Elecraft radios from your Mac using a wired serial port or using the Piglet wireless serial adapter. The app has a CW/DATA terminal using the radio’s CW/DATA decode functionality, user-defined macros, CW and VFO memories as well.
  • MacK2  A Remote Control Program for the Elecraft K2 Amateur Radio Transceiver using the Apple Macintosh
  • MacMemories Manager  MacMemoriesManager provides amateur radio memory management for some radios.
  • tk92  tk92 is open source software designed for Radio Shack PRO-92 and PRO-2067 multi-system trunking scanners. Chiefly intended for Linux, MacOS X, and BSD users.
  • VXU  vxur allows reading from and vxuw allows writing to a Yaesu / Vertex Standard VX-5R (and similar) handheld radios in clone mode. These command line utilities allow easy backup of the rig memory.

Software Defined Radio (SDR)

  • Cocoa RTL Server  Application to make a RTL dongle appear as a networked SDR using the RF Space protocol, for use with software like SdrDx.
  • CubicSDR  Open-source cross-platform SDR software for a wide variety of SDR receivers
  • CuteSDR  Basic SDR software, based upon Qt, for use on OS X with RF Space Software Defined Radios
  • dogparkSDR  SDR software for control of the Flex Signature Series SDR radios.
  • DSPRadio  SDR radio interface for SDRs providing an I&Q input, such as the SoftRock SDR line
  • Gqrx  SDR software supporting RFSPACE SDR-IP/SDR-IQ/NetSDR, FunCube Pro and Pro +, Ettus Research, RTL-SDR, HackRF Jawbreaker, AirSpy and more.
  • Java SDR  Java GUI for DttSP and the SDR1000
  • Loopback  Cable-Free audio routing through virtual audio cables. Ideal for connecting ham radio software to a variety of inputs and outputs.
  • Peaberry CW  QSK CW application for the line of Peaberry SDRs developed by AE9RB.
  • SdrDx  SDR software supporting RFSPACE, FunCube Pro, Andrus MK1.5, AFEDRI, FunCube Pro Plus, Peaberry, and Softrock SDR receivers. Developed by AA7AS.
  • Sound Siphon Cable-free routing of audio between any applications using virtual audio devices. An excellent way to connect SDRs and other radios to a variety of input and outputs.

Space Communications (EME/Satellite)

  • GPredict  GPredict is a satellite tracking program designed for Linux, but able to be installed on OS X via use of MacPorts or Fink.
  • MacDoppler  MacDoppler for Cocoa takes full advantage of the great Cocoa capabilities in OS X to provide any level of station automation you need from assisted Doppler Tuning and Antenna Pointing right on up to fully automated Satellite Gateway operation.
  • MoonSked  Complete moon bounce tracking and scheduling solution. Realtime moon tracking, moon range and dB loss, mutual AZ/EL data, partial call finder, and much more.
  • Predict  PREDICT is a satellite tracking program designed primarily to run on Linux, but portable enough to run on Mac OS X thanks to the Unix underpinnings of OS X.
  • WXtoImg  Software to decode APT and WEFAX signals from weather satellites; Simply connect a 137-138MHz FM communications receiver, scanner, or weather satellite receiver to your Mac and get stunning color images.
  • XEphem  Scientific-grade interactive astronomical ephemeris software package for UNIX-like systems. Always runs and builds easily under OS X and xquartz.

Utilities

  • Black Cat CW Keyer  Black Cat CW Keyer lets you send morse code from your computer. You can type out the text to be sent (immediately or buffered) as well as create and send from one key macros.
  • CocoaPTT  cocoaPTT is a simple MacOS X application for controlling the Request To Send (RTS) or the Data Terminal Ready (DTR) pin of a serial port via direct action, AppleScript, or via uRouter.
  • DOSBox  DOSBox is a DOS-emulator that uses the SDL-library which makes DOSBox very easy to port to different platforms. Run old DOS software on OS X.
  • EarthDesk  EarthDesk replaces your static desktop picture with ever-changing maps of the world with correct sun and moon illumination. Eleven different projections with Political and Satellite maps and optional near-real-time HD cloud cover.
  • Easy Envelopes  As the name says, Easy Envelopes is the easiest way to address and print envelopes in OS X. Support for standard & custom envelope sizes, addressing options, USPS bar codes, and more.
  • iClock  A menu clock replacement recently updated with HAM related information.
  • JMM – Java Multi Meter  JMM is data-acquisition software for digital multimeters equipped with a rs-232 port, such as the Metex 3850 and many others.
  • KAT500UI  OS X application to control and display information from the Elecraft KAT500 automatic antenna tuner. Developed by DL2RUM.
  • LRotor  Rotor control for any controller using AlfaSpid, DCU, Prosistel model D, M2 RC-2800PX or Yaesu GS-232B command sets. Interacts with RUMlog as well to show DXCC and station heading.  For 64-bit Intel Macs.
  • Loopback  Cable-Free audio routing through virtual audio cables. Ideal for connecting ham radio software to a variety of inputs and outputs.
  • RadarScope  RadarScope is a specialized display utility that allows you to view NEXRAD Level 3 radar data and severe weather warnings from any NEXRAD radar site in the United States, Guam and Puerto Rico.. Uses real Level 3 radar data, not smoothed PNG or GIF images.
  • Serial Tools  Serial Tools is a set of serial port tools for Mac OS X. It includes a Terminal Emulator, a Protocol Analyzer and a serial port monitor to watch for connections and removals of serial ports.
  • Solar Data Widget  Finally there is a Mac Dashboard Widget version of Paul Herrmans, N0NBH, solar terrestrial data!
  • Sound Siphon Cable-free routing of audio between any applications using virtual audio devices. An excellent way to connect SDRs and other radios to a variety of input and outputs.
  • UTC Clock  UTC Clock is a simple clock designed to display UTC (GMT, zulu, etc.) time under the menu bar clock. It uses very little resources, screen real estate, and no Dock space.
  • WeatherCat  WeatherCat is hardware weather station software for Macintosh computers.
  • WeatherSnoop WeatherSnoop connects your Mac to your favorite weather station or Internet-based data source to provide you with a rich graphical representation of your weather data. Available in Lite and Pro versions.
  • World Label  Over 100 label templates for use with Pages, including Avery equivalent labels as well as other speciality labels.