LLDB

LLDB is ranked #1 of 27 in debuggers on The Geeks Club. It runs on Android, iOS, Linux, macOS, Windows. There is a free plan.

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LLDB Free Open source debugger lldb.llvm.org · 30 Sept 2026

Compared on debuggers

Free plan: Yes
Supported languages: C, C++, Objective-C, Objective-C++
Target platforms: macOS, iOS, tvOS, watchOS, Linux, FreeBSD, NetBSD, Windows, Android
Remote debugging: Yes
Conditional breakpoints: Yes
Exception breakpoints: Yes
Time-travel debugging: No
Core dump debugging: Yes

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LLDB

Purpose: LLDB is a next generation, high-performance debugger built from reusable components that use LLVM libraries such as the Clang expression parser and LLVM disassembler.
License: The LLDB project code is available under the Apache 2.0 License with LLVM exceptions.
Xcode: LLDB is the default debugger in Xcode on macOS.
Language support: LLDB supports debugging C, Objective-C, and C++ on desktop and iOS devices and simulators.
Expression evaluation: LLDB uses Clang infrastructure to evaluate current C, C++, Objective-C, and Objective-C++ language features, including multiline expressions and JIT evaluation where supported.
Reusable API: LLDB exposes a public object-oriented C++ API through a shared library, with Python bindings also available.
Additional uses: The LLDB API can also be used for symbolication, disassembly, and object and symbol file introspection.
Platforms: The documentation lists macOS, iOS/tvOS/watchOS simulators and devices, Linux, FreeBSD, NetBSD, and Windows among platforms known to work.
Windows status: Windows support is under active development; basic functionality is expected to work, while ARM and AArch64 support is described as more experimental.
IDE integration: lldb-dap exposes LLDB functionality through the Debug Adapter Protocol for compatible editors and IDEs, including Visual Studio Code, Emacs, vim, and neovim.
Acquiring lldb-dap: The lldb-dap binary can come from a toolchain, an LLVM release package or system package manager, or a source build.
Debug features: lldb-dap documents support for function, conditional, data, and instruction breakpoints, memory read/write, and disassembly requests.
Notable limits: lldb-dap documents no support for step-back, setting a variable, goto-target requests, or terminate requests.
Support and community: The LLDB documentation directs discussions to its forum or LLVM Discord and links to bug reports and code reviews.
Price from: Free

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Where it ranks on The Geeks Club

Best Debuggers in 2026#1 of 27

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Sources

lldb.llvm.org· checked 29 Sept 2026
lldb.llvm.org/use/lldbdap.html· checked 29 Sept 2026
lldb.llvm.org/use/tutorial.html· checked 30 Sept 2026
lldb.llvm.org/use/mcp.html· checked 30 Sept 2026
lldb.llvm.org/man/lldb.html· checked 30 Sept 2026