arraypool

Fast, low-allocation ports of List, Dictionary, HashSet, Stack, and Queue using ArrayPool and Span.

Optimized allocation free implementation of IList using ArrayPool.

GcFreeCollections — Commercial GC‑Free Collections & Fused Query Pipeline for .NET / Unity

Some better collection implementations than the system library

Замеры ArrayPool на четырёх машинах: куда попадает буфер Stream.CopyTo, что остаётся в массиве после Return и сколько занимает аренда

A minimalist collection for ValueTypes with no allocations for small sets (<50 elements), using stackalloc and ArrayPool.

TL wire format runtime for F#: pooled buffers, stateless reader, tl {} computation expression. No reflection

A custom HttpContent that wraps a rented byte array from an ArrayPool, writes only the valid byte range to outgoing streams, and returns the buffer to the pool when disposed to reduce GC allocations.