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V vs C3: catalog facts
V	C3
Free Free and open source under the MIT license.	Free Free and open source; the compiler and standard library use LGPL-3.0 and MIT licences.
Windows, macOS, Linux, Command line	Windows, Linux, Web, Command line
Very fast compilation, including self-compilation C to V translation tool	Syntax close to C, with a C-to-C3 guide Optionals, generics and compile-time reflection
Still pre-1.0 at version 0.5 C++ translation is at an early stage	Pre-1.0 language that may still change Smaller ecosystem than C or C++
Downloadable app	Downloadable app, Web application
Open source	Open source
License: MIT	License: LGPL-3.0-or-later, MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.