4
pyOCD
pyOCD is a free Python tool and API for debugging, programming and exploring Arm Cortex microcontrollers.
Free planAPILinuxmacOSSelf-hosted
6.8Free plan
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5
Perl Debugger
Perl Debugger is an interactive debugger included with Perl, not a separate program.
Free planLinuxmacOSWindows
6.5Free plan
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6
Black Magic Debug
Black Magic Debug is a JTAG/SWD debugger for embedded microcontrollers, designed to work with compatible probe hardware and a suitable target toolchain.
Free planLinuxmacOSWindows
6.4Free plan
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7
FLEX
FLEX is a free, open-source debugging and exploration tool for iOS development, written for Objective-C and Swift.
Free planiOS
6.4Free plan
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8
RenderDoc
RenderDoc is a free, open-source frame-capture graphics debugger for graphics development.
Free planAndroidLinuxWindows
6.3Free plan
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9
Xdebug
Xdebug is a PHP extension that adds debugging and analysis capabilities for PHP development.
WebLinuxmacOSSelf-hosted
6.3From £16.67 a month
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10
unittest
unittest is Python’s unit testing framework for automating tests and organizing their setup and execution.
Free planLinuxmacOSWindows
6.2Free plan
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11
dnSpyEx
dnSpyEx is an unofficial continuation of dnSpy, a debugger and .NET assembly editor for working with assemblies when source code is unavailable.
Free planLinuxWindows
6.1Free plan
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12
GDB
GDB is a free debugger for examining a program during execution or after a crash.
Free planLinuxmacOSWindows
6.1Free plan
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13
SEGGER Ozone
SEGGER Ozone is a graphical debugger and performance analyzer for embedded applications targeting Arm and RISC-V processors.
LinuxmacOSWindows
6.1€798, paid once
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14
FlowStorm
FlowStorm is a tracing debugger for Clojure and ClojureScript.
Free planLinuxmacOSSelf-hostedWindows
6.0Free plan
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15
OpenOCD
OpenOCD is free software for debugging, in-system programming, and boundary-scan testing on embedded target devices through a debug adapter.
Free planLinuxmacOSSelf-hostedWindows
6.0Free plan
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16
Redbird
Redbird is a free, self-hosted reverse proxy for Node that routes traffic by hostname and path.
Free planAPILinuxSelf-hosted
6.0Free plan
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17
UDB
ExtensionLinux
5.9$50,000, paid once
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18
x64dbg
x64dbg is a free, open-source Windows debugger for reverse engineering and malware analysis of executable files without source code.
Free planWindows
5.9Free plan
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19
Erlang Debugger
Erlang Debugger is a graphical tool for debugging and testing Erlang programs.
LinuxmacOSWindows
5.8
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20
OllyDbg
OllyDbg is a free 32-bit assembler-level debugger for Microsoft Windows, intended for examining binary code when source code is unavailable.
Free planWindows
5.8Free plan
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21
Delve
Delve is a debugger for programs written in Go, with command-line tools for debugging, executing, and testing code.
APILinuxmacOSSelf-hosted
5.7
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22
Ruby debug
Ruby debug is an open-source debugger for Ruby MRI 2.7 and later.
Free planLinuxSelf-hosted
5.7Free plan
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23
rr
rr records application runs and replays them deterministically, giving developers a way to investigate program behavior with time-travel debugging.
Linux
5.4
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24
TRACE32
TRACE32 is a paid debugging and trace system for embedded development.
LinuxmacOSWindows
5.4
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25
CUDA-GDB
CUDA-GDB is NVIDIA’s debugger for CUDA applications on Linux and QNX.
LinuxSelf-hosted
5.3
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26
WinDbg
WinDbg is a Windows debugging tool for investigating software behavior and failures.
Windows
4.5
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