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Cysharp/ZLinq

Zero allocation LINQ with LINQ to Span, LINQ to SIMD, and LINQ to Tree (FileSystem, JSON, GameObject, etc.) for all .NET platforms and Unity, Godot. observed · 2026-08-28

github.com/Cysharp/ZLinq · C# · MIT (permissive) observed · 2026-08-28

Health v2 · maintenance only

88/100

  • Activity 91
  • Release rhythm 78
  • Longevity 100
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.

  • gap_med: 1.0
  • age_days: 4331
  • days_rel: 147
  • days_push: 56
  • n_releases_24m: 57

Full methodology

Adoption not part of the score

5243 stars · 212 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

ZLinq is a zero-allocation LINQ replacement library for .NET and Unity/Godot, built on struct-based ValueEnumerable to avoid allocations in method chains. It adds LINQ to Span, LINQ to SIMD, and LINQ to Tree (FileSystem, JSON, GameObject) with 99% compatibility with .NET 10's LINQ.

Use cases

  • reduce garbage collection pressure from LINQ chains in C# games
  • run LINQ operations on Span<T> without allocations
  • use modern .NET 10 LINQ operators in Unity or .NET Framework 4.8
  • accelerate LINQ queries with automatic SIMD
  • query tree structures like JSON or GameObject hierarchies with LINQ syntax
  • drop-in replace standard LINQ for higher performance

When to choose

  • you're building performance-critical .NET or Unity applications where LINQ allocations matter
  • you want modern LINQ operators on older targets like netstandard2.0
  • you need LINQ over Span<T> or SIMD-accelerated sequences

When to avoid

  • your project targets platforms without struct generics support
  • you rely on LINQ features outside ZLinq's 99% compatibility surface
  • allocation overhead is irrelevant and you prefer the standard library

Facets

library · maturity active

serialization developer-tools performance developer-tools cross-platform dotnet game-engine linq zero-allocation csharp simd span struct-enumerable unity godot algorithms game-development

1 source

Member repositories

RepositoryRoleHealth v2
Cysharp/ZLinqmain88

For agents

markdown · JSON · MCP: product_card(name="Cysharp/ZLinq")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem