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IDA Free vs Binary Ninja
Binary Ninja adds scripting through C++, Python and Rust plus built-in debugging, with a free edition, though commercial use requires a paid license.
IDA Free vs Ghidra
The NSA's reverse engineering framework, with a decompiler that turns machine code back into readable C.
IDA Free vs Hopper Disassembler
A native macOS disassembler and decompiler for reverse engineering, with a built-in debugger.
IDA Free vs angr management
The official graphical interface for angr, an open-source binary analysis and decompilation platform.
IDA Free vs REDasm
A free, open-source interactive disassembler that supports multiple architectures, legacy formats and plugins.
IDA Free vs Rizin
Rizin is an open-source, scriptable command-line reverse engineering framework under LGPL-3.0, trading IDA Free's graphical interface for a command shell with a steep learning curve.
IDA Free vs RetDec
A retargetable machine-code decompiler based on LLVM, released as open source by Avast.
IDA Free vs Iaito
The official graphical interface for the radare2 reverse engineering framework.
IDA Free vs radare2
Command-line reverse engineering framework and binary analysis toolkit.
IDA Free vs Cutter
Cutter is free and open source under GPL-3.0, built on the Rizin engine, and has no commercial-use restriction or x86-only limit stated.
IDA Free vs binsider
Inspect executable files through a terminal interface.