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Screenshots

radare2 visual panels showing registers, disassembly, functions, entropy, hexdump and a graph with the View menu open

Compare radare2 with alternatives

radare2 vs RizinRizin is a fork of radare2 with a more defined command grammar and the official Cutter GUI, under the same LGPL-3.0 license, though project support is still in beta.
radare2 vs GhidraGhidra is a Java-based graphical framework from the NSA with a capable C-like decompiler and shared team projects, and it needs a JDK instead of a terminal workflow.
radare2 vs x64dbgx64dbg is a graphical Windows-only debugger with an IDA-like interface and built-in assembler, covering far fewer architectures and platforms than radare2.
radare2 vs IDA FreeIDA Free offers the commercial IDA disassembler and an x86 decompiler at no cost, but it is closed source, non-commercial only and limited to x86 and x86-64.
radare2 vs RetDecA retargetable machine-code decompiler based on LLVM, released as open source by Avast.
radare2 vs Binary NinjaBinary Ninja adds a graphical decompiler with C++, Python and Rust APIs and built-in debugging, but beyond its free edition it needs a commercial license.