1.gvergnaud / ts-pattern
🎨 The exhaustive Pattern Matching library for TypeScript, with smart type inference.
+131 stars
from 15,075 · score 4.88
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9 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.PCRE2Project / pcre2
PCRE2 is a library implementing regular expression pattern matching with a C API
+64 stars
from 1,325 · score 4.17
3.actor-framework / actor-framework
An Open Source Implementation of the Actor Model in C++
+20 stars
from 3,423 · score 3.04
4.noprompt / meander
Tools for transparent data transformation
+6 stars
from 980 · score 1.95
5.solodon4 / Mach7
Functional programming style pattern-matching library for C++
+5 stars
from 1,317 · score 1.79
6.guicho271828 / trivia
Pattern Matcher Compatible with Optima
+3 stars
from 356 · score 1.39
7.saman-pasha / cicili
Cicili: Safe Modern C Solution. The C language in S-expressions — Lisp macros with type inference as C's build system: generics, RAII, refcounting and pattern matching with zero runtime and no GC.
+2 stars
from 47 · score 1.10
8.TeaEntityLab / fpGo
Monad, Functional Programming features for Golang
+1 stars
from 354 · score 0.69
9.sentomk / patternia
Providing pattern matching for modern C++.
+1 stars
from 199 · score 0.69