piccolo VS luau

Compare piccolo vs luau and see what are their differences.

piccolo

An experimental stackless Lua VM implemented in pure Rust (by kyren)

luau

A fast, small, safe, gradually typed embeddable scripting language derived from Lua (by luau-lang)
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piccolo luau
6 65
1,505 3,720
16.7% 2.8%
9.0 8.9
12 days ago 6 days ago
Rust C++
Creative Commons Zero v1.0 Universal MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

piccolo

Posts with mentions or reviews of piccolo. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-05-28.

luau

Posts with mentions or reviews of luau. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-05-27.
  • An Introduction to Low-Latency Scripting for Game Engines
    5 projects | news.ycombinator.com | 27 May 2024
  • Building a baseline JIT for Lua automatically
    2 projects | news.ycombinator.com | 11 Jan 2024
    As far as I can tell, they aren't.

    http://lua-users.org/wiki/SandBoxes

    There is a lot of information there, but it doesn't handle resource exhaustion, execution time limits or give any guarantees. It does indicate that it's possible, and has a decent example of the most restrictive setup, which is a good start. But I would for example compare it with Luau's SECURITY.md.

    From https://github.com/luau-lang/luau/blob/master/SECURITY.md:

    > Luau provides a safe sandbox that scripts can not escape from, short of vulnerabilities in custom C functions exposed by the host. This includes the virtual machine and builtin libraries. Notably this currently does not include the work-in-progress native code generation facilities.

    > Any source code can not result in memory safety errors or crashes during its compilation or execution. Violations of memory safety are considered vulnerabilities.

    > Note that Luau does not provide termination guarantees - some code may exhaust CPU or RAM resources on the system during compilation or execution.

    So, even luau will have trouble with untrusted code, but it specifies exactly what happens and so on. I think that's fair enough.

  • Pluto, a Modern Lua Dialect
    9 projects | news.ycombinator.com | 27 Dec 2023
    Alternatively, Luau is a well-supported Lua variant with type checking and performance improvements, aimed more towards being a sandboxed embedded scripting environment.

    https://luau-lang.org/

  • Buzz: A lightweight statically typed scripting language
    6 projects | news.ycombinator.com | 26 Dec 2023
    If you need Lua but also type-safety, how about Luau [1] then?

    [1] https://luau-lang.org/

  • Lua Criticism Is Unwarranted
    4 projects | news.ycombinator.com | 26 Oct 2023
    I had the pleasure of working with Lua 5.1 back in the late noughties. For me it's replaced Tcl whenever I want something I can configure above a C library. At the time I used it I found it quite nice but I'll also not forget the hours I wasted tracking down nil table corruptions which could have easily been caught by a type checker.

    I had some hope that Luau https://luau-lang.org or Teal https://github.com/teal-language/tl would make things better but with the following example

        function foo(x: number): string
  • Ask HN: Looking for platforms, other than Roblox, that have adopted Luau
    6 projects | news.ycombinator.com | 20 Oct 2023
    Looking at other replies here, I can see I wasn't the only one who didn't realize there is Lua and Luau. Luau is an extension of Lua: https://luau-lang.org/

    > Luau is syntactically backwards-compatible with Lua 5.1 (code that is valid Lua 5.1 is also valid Luau); however, we have extended the language with a set of syntactical features that make the language more familiar and ergonomic.

  • Embeddable Common Lisp 23.9.9
    4 projects | news.ycombinator.com | 9 Sep 2023
    Lua is usually the embedded language of choice. If you are focused on security, you could check out the Roblox fork, Luau (https://github.com/Roblox/luau) where the creators took extra care to lock down the language on what scripts could do.
  • Creating a simple sandboxed language
    3 projects | /r/LLVM | 4 Jul 2023
    Luau - Lua variant by Roblox
  • The Warframe Lexicon for Updates
    1 project | /r/Warframe | 1 Jun 2023
    On a side note, I've heard that they recently switched from Lua to Roblox's own fork of Lua, Luau.
  • Lua: The Little Language That Could
    16 projects | news.ycombinator.com | 28 May 2023
    https://www.youtube.com/results?search_query=luau+roblox&sp=...

    Luau

    https://github.com/Roblox/luau

    Roblox wrote a superset of Roblox Lua which is way faster

What are some alternatives?

When comparing piccolo and luau you can also consider the following projects:

lua-cmake - Embed lua with CMake

lua-languages - Languages that compile to Lua

passerine - A small extensible programming language designed for concise expression with little code.

LuaJIT - Mirror of the LuaJIT git repository

lua-lockbox - A collection of cryptographic primitives written in pure Lua

moonsharp - An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.

lua-language-server - A language server that offers Lua language support - programmed in Lua

empirical-lang - A language for time-series analysis

tl - The compiler for Teal, a typed dialect of Lua

gopher-lua - GopherLua: VM and compiler for Lua in Go

moonscript - :crescent_moon: A language that compiles to Lua

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