Open Source Mobile Operating Systems Debuggers
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Debuggers for Mobile Operating Systems
Browse free open source Debuggers and projects for Mobile Operating Systems below. Use the toggles on the left to filter open source Debuggers by OS, license, language, programming language, and project status.
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Bytecode Viewer
A reverse engineering suite (decompiler, editor, debugger and more)
Some of Bytecode Viewer features are that it provides Java Decompiling with Six different decompilers (DJ-GUI/Core, Procyon, CFR, Fernflower, Krakatau, and JADX-Core). Bytecode Decompiling with CFIDE. Android APK integrated with Dex2Jar. Securely launch Java applications and insert hooks via EZ-Injection. Scan for malicious code with the Malicious Code Scanner plugin. Export as DEX, Jar, Class, Zip or Java Source File. Open Android APKs, Android DEX, Java Class Files and Java Jars. (WAR & JSP Support!). Extensively configurable, over 100+ settings! Works seamlessly with all Operating Systems. Integrates BCV into Windows by installing it, it'll associate all .class, .dex and .apk to open with BCV. You can view Jar & APK Resources with ease by APKTool.jar integration. It is 100% free and open sourced under GPL v3 CopyLeft. -
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Flipper
A desktop debugging platform for mobile developers
Flipper is a platform for debugging iOS, Android and React Native apps. Visualize, inspect, and control your apps from a simple desktop interface. Use Flipper as is or extend it using the plugin API. Flipper aims to be your number one companion for mobile app development on iOS and Android. Therefore, we provide a bunch of useful tools including a log viewer, interactive layout inspector, and network inspector. Flipper is built as a platform. In addition to using the tools already included, you can create your own plugins to visualize and debug data from your mobile apps. Flipper takes care of sending data back and forth, calling functions, and listening for events on the mobile app. Both Flipper's desktop app and native mobile SDKs are open-source and MIT licensed. This enables you to see and understand how we are building plugins, and of course join the community and help improve Flipper. We are excited to see what you will build on this platform. -
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Proxyman
Web Debugging Proxy for macOS, iOS, and Android
Don't let cumbersome web debugging tools hold you back. With Proxyman's native macOS app, you can capture, inspect, and manipulate HTTP(s) traffic with ease. Intuitive, thoughtful, built with meticulous attention to detail. Comprehensive Guideline to set up with iOS simulator and iOS and Android devices. Proxyman acts as a man-in-the-middle server that capture the traffic between your applications and SSL Web Server. With built-in macOS setup, so you can inspect your HTTP/HTTPS Request and Responses in plain text with just one click. Narrow down your search with Proxyman's Multiple Filters. You can combine complex filtered criteria like Protocol, Content-Type, URL, Request Header, Response Header, Body, etc that find exact what you're looking for. -
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RenderDoc
RenderDoc is a stand-alone graphics debugging tool
RenderDoc is a free MIT licensed stand-alone graphics debugger that allows quick and easy single-frame capture and detailed introspection of any application using Vulkan, D3D11, OpenGL & OpenGL ES or D3D12 across Windows 7 - 10, Linux, Android, Stadia, or Nintendo Switch™. I work on RenderDoc myself and you can always contact me with any problems or comments. I'll respond to you directly and personally, and I'm used to helping people with private or NDA'd projects. RenderDoc is 100% open source and development all happens on github. Check out the source and see how any feature is implemented, report a bug you've found, or request a new feature or improvement. Usability matters. Tools should have a low barrier to entry and be easy to use and understand. RenderDoc makes the process of getting started as smooth as possible, and simplifies common workflows. Support is distributed separately for authorized developers as part of the NintendoSDK. -
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LeakCanary
A memory leak detection library for Android
LeakCanary is a reliable memory leak detection library for Android. It effectively detects leaks and narrows down the cause of each leak through its in-depth knowledge of the internals of the Android Framework. This helps developers avoid and dramatically reduce OutOfMemoryError (OOM) crashes. A memory leak is a programming error that can cause an OutOfMemoryError crash. It’s often caused by bugs related to the lifecycle of objects, and can occur fairly often in Android applications. LeakCanary helps to find and fix those leaks during development so you never have to experience another OOM crash. -
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iOS WebKit Debug Proxy
A DevTools proxy for iOS devices
The ios_webkit_debug_proxy (aka iwdp) proxies requests from usbmuxd daemon over a websocket connection, allowing developers to send commands to MobileSafari and UIWebViews on real and simulated iOS devices. iOS WebKit Debug Proxy works on Linux, MacOS & Windows. The iOS Simulator is supported, but it must be started before the proxy. The simulator can be started in XCode, standalone, or via the command line. ios_webkit_debug_proxy can be used with many tools such as Chrome DevTools and Safari Web Inspector. To use Chrome DevTools it's the recommendation to use the RemoteDebug/remotedebug-ios-webkit-adapter project, which has instructions on how to setup Chrome to remote debug iOS devices, much similar to Android debugging. You can use Safari Web Inspector extracted from Webkit sources, e.g. artygus/webkit-webinspector. Another option is mozilla/valence which enables Firefox DevTools to be used with iOS. -
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Wormholy
iOS network debugging, like a wizard
Start debugging iOS network calls like a wizard, without extra code! Wormholy makes debugging quick and reliable. Add it to your project, and that's all! Shake your device or your simulator and Wormholy will appear! You don't need to import the library into your code, it works magically! To integrate Wormholy into your Xcode project using Carthage, specify it in your Cartfile. Record all app traffic that uses NSURLSession. Reveal the content of all requests, responses, and headers simply by shaking your phone! No headaches with SSL certificates on HTTPS calls. Find, isolate and fix bugs quickly. Swift & Objective-C compatibility. Also works with external libraries like Alamofire & AFNetworking. Ability to blacklist hosts from being recorded using the array ignoredHosts. Ability to export API requests as Postman collection. -
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Requestly
A Powerful API Mocking and Testing Tool
Most Popular developer tool for frontend developers & QAs to debug web and mobile applications. Redirect URL (Switch Environments), Modify Headers, Mock APIs, Modify Response, Insert Scripts & Report Bugs with debugging sessions. Bring the power of Charles Proxy, Fiddler & Postman together with beautiful, modern UI & collaboration features. Available as a browser extension on all major browsers & desktop apps on all platforms. Requestly is an Open-Source platform for front-end developers with essential tooling & integrations that helps them write, test & debug their code 10x faster. Requestly reduces dependency on backend devs and environments for development & testing needs. Using Requestly, devs can create mock, test, validate & override API responses, modify request & response headers, set up redirects (Map local, Map remote), and use Requestly sessions for faster debugging. -
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LLDebugTool
LLDebugTool is a debugging tool for developers and testers
LLDebugTool is a powerful in-app debugging tool for iOS that provides detailed insights into app performance, logs, network requests, and crash data. It offers a floating window for developers to monitor the app in real-time without external tools. -
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RemoteDebug iOS WebKit Adapter
Debug Safari and WebViews on iOS from tools like VS Code
RemoteDebug iOS WebKit Adapter is a protocol adapter that Safari and WebViews on iOS to be debugged from tools like VS Code, Chrome DevTools, Mozilla Debugger.html and other tools compatible with the Chrome Debugging Protocol. Before you use this adapter you need to make sure you have the latest version of iTunes installed, as we need a few libraries provided by iTunes to talk to the iOS devices. Install VS Code, and the VS Code Chrome Debugger, then create a launch.json configuration where port is set to 9000. The protocol adapter is implemented in TypeScript as Node-based CLI tool which starts an instance of ios-webkit-debug-proxy, detects the connected iOS devices, and then starts up an instance of the correct protocol adapter depending on the iOS version. -
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Bagel
A little native network debugging tool for iOS
Bagel is a little native iOS network debugger. It's not a proxy debugger so you don't have to mess around with certificates, proxy settings etc. As long as your iOS devices and your Mac are in the same network, you can view the network traffic of your apps separated by the devices or simulators. Most basic usage is to start Bagel iOS before any network operation. Since Bagel exposes every request info to the public it would be better if you disable it for the store versions. By default, Bagel gets your project name and device information. The desktop client uses this information to separate projects and devices. You can configure these if you wish. Bagel framework communicates with the desktop client by using Bonjour protocol. You can also configure these Netservice parameters. -
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ACRA
Application crash reports for Android
ACRA is a library enabling Android applications to automatically post their crash reports to a report server. It is targeted to android applications developers to help them get data from their applications when they crash or behave erroneously. A crash reporting feature for android apps is native since Android 2.2 (FroYo) but only available through the official Android Market (and with limited data). ACRA is a great help for Android developers. ACRA's notification systems are clean. If a crash occurs, your application does not add user notifications over existing system's crash notifications or reporting features. By default, the "force close" dialog is not displayed anymore, to enable it set alsoReportToAndroidFramework to true. The user is notified of an error only once, and you might enhance the perceived quality of your application by defining your own texts in the notifications/dialogs. -
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GT
Debugging tool for bug hunting and performance tuning on smartphones
GT (Great Tit) is a portable debugging tool for bug hunting and performance tuning on smartphones anytime and anywhere just as listening music with Walkman. GT can act as the Integrated Debug Environment by directly running on smartphones. With the help of GT, you can carry out the following jobs only using one smartphone: quick performance tests (CPU, memory, flow, power, fluency tests etc.), viewing developer log and crash log, capturing the network packets, debugging the APP internal parameters and code time-consuming statistics. If the functions GT provides cannot meet your requirements, you can also develop your own GT plugins with special functions to help solving more complicated debugging issues. The IOS GT is a Framework package, which must be compiled into your APPs before being used. It can be supported by both iPhone and iPad APPs. -
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Robust
Android HotFix solution with high compatibility and high stability
Robust is an Android HotFix solution with high compatibility and high stability. Robust can fix bugs immediately without a reboot. Robust is an Android HotFix solution with high compatibility and high stability. Robust can fix bugs immediately without publishing apk. Support fixing at method level,including static methods. Support add classes and methods. Support ProGuard,including inline methods or changing methods' signature. AutoPatch will generate patch for Robust automatically. You should modify inner classes' private constructors to public modifier. Classes added in patch should be static nested classes or non-inner classes,and all fields and methods in added class should be public. -
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shadowsocks-libev
Bug-fix-only libev port of shadowsocks
Shadowsocks-libev is a lightweight secured SOCKS5 proxy for embedded devices and low-end boxes. Shadowsocks-libev is written in pure C and depends on libev. It's designed to be a lightweight implementation of shadowsocks protocol, in order to keep the resource usage as low as possible. Snap is the recommended way to install the latest binaries. You can build shadowsocks-libev and all its dependencies by script. The latest shadowsocks-libev has provided a redir mode. You can configure your Linux-based box or router to proxy all TCP traffic transparently, which is handy if you use an OpenWRT-powered router. Although shadowsocks-libev can handle thousands of concurrent connections nicely, we still recommend setting up your server's firewall rules to limit connections from each user. We strongly encourage you to install shadowsocks-libev from jessie-backports-sloppy. -
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The MSX emulator that aims for perfection. NOTE: this project moved to GitHub. The content of this project page is frozen and will not be updated. The project is alive and kicking, though! Check out our website for the new project pages.
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ELFIO
A header-only C++ library for accessing files in ELF binary format
ELFIO is a header-only C++ library intended for reading and generating files in the ELF binary format -
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A C++ unit testing framework, in the style of CxxUnit, for Symbian OS. (For more information, forums and mailing lists please visit the project Home Page http://symbianosunit.sourceforge.net)
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Android Debug Database
A library for debugging android databases and shared preferences
Android Debug Database allows you to view databases and shared preferences directly in your browser in a very simple way. Android Debug Database is a powerful library for debugging databases and shared preferences in Android applications. Delete database rows and shared preferences. Search in your data. Sort data. Download database. Debug Room inMemory database. As this library is auto-initialize, if you want to get the address log, add the following method and call (we have to do like this to avoid build error in release build as this library will not be included in the release build) using reflection. Using the Android Debug Database with an encrypted database. See all the data in the shared preferences used in your application. Run any sql query on the given database to update and delete your data. -
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Chisel
A collection of LLDB commands to assist debugging iOS apps
Chisel is a collection of LLDB commands designed to assist you in the process of debugging iOS apps. All of the commands provided by Chisel come with verbose help. Be sure to read it when in doubt! You can add local, custom commands. There's also builtin support to make it super easy to specify the arguments and options that a command takes. See the border and pinvocation commands for example use. Developing commands, whether for local use or contributing to Chisel directly, both follow the same workflow. You can also inspect a specific command by passing its name as an argument to the help command (as with all other LLDB commands). There are many commands with compatibility with iOS/Mac. For a comprehensive overview of LLDB, and how Chisel complements it, read Ari Grant's Dancing in the Debugger, A Waltz with LLDB in issue 19 of objc.io. -
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CrashReport
Crash report for Android apps
CrashLog is a crash report platform for Android developer, helping developers to quickly locate problems. -
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CrtDbg for WinCE
Port of MS _CrtDbg Memory Leak Detection for WinCE
You are searching _CrtDumpMemoryLeaks(), _CrtSetReportMode() and all the well known Win32 stuff? But you don't find it for your Windows CE or Windows Mobile native C or C++ development? Get tired of Memory Leaks? Handle Leaks? Trouble with Appverify (Application Verifier for WinCE)? Stop searching. Congratulations, you got it! -
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FLEX (Flipboard Explorer)
An in-app debugging and exploration tool for iOS
FLEX (Flipboard Explorer) is a set of in-app debugging and exploration tools for iOS development. When presented, FLEX shows a toolbar that lives in a window above your application. From this toolbar, you can view and modify nearly every piece of state in your running application. Access any live object via a scan of the heap. View the file system within your app's sandbox. Browse SQLite/Realm databases in the file system. Trigger 3D touch in the simulator using the control, shift, and command keys. Explore all classes in your app and linked systems frameworks (public and private). Unlike many other debugging tools, FLEX runs entirely inside your app, so you don't need to be connected to LLDB/Xcode or a different remote debugging server. It works well in the simulator and on physical devices. -
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HTML Onlive Debugger
Realtime preview for designers and developers.
When I got my first Android tablet; I realized how much web design and development were such a tedious process for a large majority of tablet and smart phone users. I found no applications available in Google Play that enabled live code debugging which gave me the incentive to develop one myself. After purchasing Google's developer fee, as well as AIDE I then released on Google Play for all to use. -
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HeapInspector
Find memory issues & leaks in your iOS app without instruments
HeapInspector is a debug tool that monitors the memory heap with backtrace recording in your iOS app. You can discover memory leaks, no longer used objects, abandoned memory and more issues directly on your device without ever starting Instruments. Basically, you can inspect the entire heap and see all living objects of your iOS app. To be more precise you can record the heap for a specific part of the app. For instance when navigating through the menu. Like in Apple's Instruments the snapshot compares the heap before you started recording. For instance you can start the snapshot before you push a new UIViewController onto your UINavigationController stack and stop after popping the UIViewController.