1.micropython / micropython
MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
+624 stars
from 21,555 · score 6.44
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
20 repositories by Attention Score · May 10, 2026 – Nov 5, 2026 (UTC)
2.bellard / quickjs
Public repository of the QuickJS Javascript Engine.
+529 stars
from 10,569 · score 6.27
3.ruby / ruby
The Ruby Programming Language
+423 stars
from 23,374 · score 6.05
4.oracle / graal
GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
- java
- aot
- compiler
- graalvm
+294 stars
from 21,456 · score 5.69
+137 stars
from 18,544 · score 4.93
6.pypy / pypy
PyPy is a very fast and compliant implementation of the Python language.
+119 stars
from 1,703 · score 4.79
7.mono / mono
Mono open source ECMA CLI, C# and .NET implementation.
- xamarin
- android
- ios
- dotnet
- garbage-collector
- runtime
- +2 more
+100 stars
from 11,376 · score 4.62
8.moonsharp-devs / moonsharp
An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.
- moonsharp
- mono
- debugger
- interpreter
- c-sharp
- unity3d
- +2 more
+64 stars
from 1,559 · score 4.17
9.CalebFenton / simplify
Android virtual machine and deobfuscator
- deobfuscation
- java
- optimization
- android
- reverse-engineering
- malware-analysis
- +9 more
+57 stars
from 4,621 · score 4.06
10.eclipse-openj9 / openj9
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
- java
- jvm
- eclipse-openj9
- compiler
- garbage-collector
- gc
- +5 more
+52 stars
from 3,496 · score 3.97
11.jruby / jruby
JRuby, an implementation of Ruby on the JVM
- jruby
- ruby-language
- jvm
- ruby
- invokedynamic
- concurrency
- +1 more
+34 stars
from 3,891 · score 3.56
12.truffleruby / truffleruby
A high performance implementation of the Ruby programming language, built on GraalVM.
- graalvm
- ruby
- truffle
- hacktoberfest
+32 stars
from 3,198 · score 3.50
13.ChaiScript / ChaiScript
Embedded Scripting Language Designed for C++
- c-plus-plus
- embedded-scripting-language
- cpp
- language
+31 stars
from 3,102 · score 3.47
14.gnolang / gno
Gno: An interpreted, stack-based Go virtual machine to build succinct and composable apps + gno.land: a blockchain for timeless code and fair open-source.
- gno
- gnoland
- gnolang
- bft
- blockchain
- cosmos
- +14 more
+30 stars
from 1,059 · score 3.43
15.cesanta / mjs
Embedded JavaScript engine for C/C++
+29 stars
from 2,035 · score 3.40
+24 stars
from 635 · score 3.22
+19 stars
from 913 · score 3.00
18.ReadyTalk / avian
[INACTIVE] Avian is a lightweight virtual machine and class library designed to provide a useful subset of Java's features, suitable for building self-contained applications.
- java
- jit-compiler
- openjdk
- jvm
- portable
+4 stars
from 1,234 · score 1.61
+4 stars
from 30 · score 1.61
20.jscert / jscert
A Coq specification of ECMAScript 5 (JavaScript) with verified reference interpreter
+2 stars
from 206 · score 1.10