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Tracked since2026
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Entry price
Paid plans only
Biggest pro
Comprehensive all-in-one toolkit for serial communication, file serving, and diagnostics on macOS.
Biggest con
macOS only, requires a recent version of macOS.
TL;DR - BaudBuddy
- Connect to network equipment via USB serial, Bluetooth LE, or network console servers from a single macOS app.
- Serve firmware and configurations using five built-in file server protocols (TFTP, HTTP, HTTPS, FTP, SFTP) with live request monitoring.
- Includes advanced terminal features: traffic inspector, Modbus decoding, guided diagnostics, triggers/automation, and offline help.
Pricing: Paid only
Best for: Enterprises & pros
What is BaudBuddy?
BaudBuddy is a native macOS application designed for network engineers and embedded systems professionals who need to communicate with hardware over serial connections. It supports USB serial adapters, Bluetooth LE UART (Nordic UART Service and HM-10), and network console servers (raw TCP, Telnet, RFC 2217). Beyond terminal emulation, BaudBuddy includes a built-in file server that can serve firmware and configurations via TFTP, HTTP, HTTPS, FTP, and SFTP from a single shared folder. It also offers serial file transfer protocols (XMODEM, XMODEM-1K, YMODEM, ZMODEM), a traffic inspector with byte-level logging, guided diagnostics, Modbus RTU/TCP decoding with live plots, triggers and automation via a loopback control socket, and a searchable offline manual in 15 languages. The app is privacy-focused with no accounts, analytics, telemetry, or cloud dependencies.
Pros & Cons
Pros
- Comprehensive all-in-one toolkit for serial communication, file serving, and diagnostics on macOS.
- Privacy-focused: no accounts, analytics, telemetry, or cloud traffic.
- Supports a wide range of hardware and protocols, including Modbus and multiple file transfer methods.
Cons
- macOS only, requires a recent version of macOS.
- Paid app with no free tier or trial mentioned in the provided content.
Key Features
Three connection types: USB serial (hot-plug, custom baud rates, real break), Bluetooth LE (Nordic UART, HM-10), and network console servers (raw TCP, Telnet, RFC 2217).Five file server protocols from one shared folder: TFTP, HTTP, HTTPS, FTP, SFTP with upload controls and authentication.Four serial file transfer protocols: XMODEM, XMODEM-1K, YMODEM, and resumable ZMODEM.Traffic inspector with byte-level logging, timestamps, text/hex views, filtering, and export.Guided diagnostics that detect port conflicts, wrong baud rates, silent connections, line-ending mistakes, flow-control problems, disconnect loops, and missing drivers.Modbus RTU/TCP passive decoding with CRC checking, register value reading, and real-time numeric plotting.Triggers and automation: react to received lines with notes, sounds, logging, or authorized text; loopback control socket for scripting.Offline searchable manual with 24 articles in 15 localizations.
Pricing
Paid
BaudBuddy offers paid plans. Visit their website for current pricing details.
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BaudBuddy FAQ
How does BaudBuddy help a network engineer diagnose a serial connection issue?
BaudBuddy includes guided diagnostics and a traffic inspector with byte-level logging to help network engineers identify serial connection problems. The traffic inspector captures and displays every byte transmitted and received, allowing engineers to inspect communication patterns. Guided diagnostics walk through common connection issues step by step.
How does BaudBuddy compare to ngrok for file serving?
BaudBuddy includes a built-in file server that serves firmware and configurations via TFTP, HTTP, HTTPS, FTP, and SFTP from a single shared folder, all running locally on macOS. ngrok focuses on exposing local servers to the internet through secure tunnels, while BaudBuddy’s file server is designed for direct local network access without cloud dependencies. BaudBuddy does not provide tunneling to the internet, which is ngrok’s primary function.
Which teams benefit most from using BaudBuddy?
Teams of network engineers and embedded systems professionals who need to communicate with hardware over serial connections benefit most from BaudBuddy. It is especially useful for teams working with USB serial adapters, Bluetooth LE UART, or network console servers, and those who need to serve firmware or configurations via multiple protocols.
How is BaudBuddy priced?
BaudBuddy is a paid product with no permanently free tier. The pricing model requires a one-time purchase for a license, and there is no free trial mentioned in the provided facts.
Can BaudBuddy decode Modbus traffic and display it in real time?
Yes, BaudBuddy can decode Modbus RTU and Modbus TCP traffic and display it with live plots. This allows users to monitor Modbus communication in real time and visualize data trends directly within the application.
Does BaudBuddy support file transfers over serial connections?
Yes, BaudBuddy supports serial file transfer protocols including XMODEM, XMODEM-1K, YMODEM, and ZMODEM. These protocols allow users to transfer files to and from connected hardware over a serial link.
What kind of user would choose BaudBuddy over a general-purpose terminal emulator?
A user who needs an all-in-one toolkit for serial communication, file serving, and diagnostics on macOS would choose BaudBuddy over a general-purpose terminal emulator. BaudBuddy combines terminal emulation with a built-in file server, traffic inspector, Modbus decoding, and automation via a loopback control socket, which a typical terminal emulator does not offer.
Why does BaudBuddy require a recent version of macOS?
BaudBuddy is a native macOS application that relies on modern macOS APIs and frameworks for its functionality, such as USB serial adapter support and Bluetooth LE UART. This dependency means it requires a recent version of macOS and is not available on other operating systems.
Source: iviu.ai