Debugging Tools

Free

ShadowsocksX-R simplifies the process of setting up a Shadowsocks server, allowing users to copy ss-local from home brew and run it as a Launch Agent.

Free

A test engine that runs unit and integration tests in your browser.

Free

A free-to-use visual programming environment for Arduino.

Free

Tool for running unit tests with a clear visual representation.

Free

Test and debug any bots, either locally or remotely.

Free

Mac tool for creating and managing socket servers/clients, sending/receiving data, and setting automatic replies.

Free

Logging platform with Swift Framework, Crypto Cloud and Mac App for securely sending logs and analytics to the cloud without own servers.

Free

Software project management and comprehension tool.

Free

Open source database, cache and message broker for Mac OS.

Free

A GUI test framework for mobile apps that creates the same initial state for each test run, with the same XML interface for iOS and Android.

Free

Menu bar app that quickly shows JIRA sprint progress.

Free

Developer JSON Tool is a free app to check and debug JSON strings.

Free

Monitor & manage plist changes with a single property in the status bar.

Free

Quickly symbolize crash reports from Mac OS X, iOS, and tvOS.

Free

Hold My Script helps developers easily manage code across multiple platforms without tedious copying and pasting.

Free

Android logcat viewer for developers, providing real-time monitoring, filtering and saving of logs for offline analysis.

Free

Easy-to-use, affordable solution for Oracle database development, with debuggers, code assists and more.

Free

CGRectMake helps developers create UI without Storyboard.

Free

Easily program Arduino boards with Snap.

Free

Nordic's nRF-BLE-Sniffer-OSX is an OS X client for their BTLE sniffer dongle.