Simples possible implementation of Arena allocator.

Simulation of different memory allocation algorithms (First Fit, Best Fit, Worst Fit) implemented in C#

A low-level .NET allocator that grows lazily.

A Simple Weapon Allocator For CS2Retakes.

Fast unsafe collections for memory reuse by stack type. Adding elements without overhead when increasing Capacity. Can also be used in as classic collection with resizing or on a custom memory allocator.

The smmalloc allocator for Unity (with support of Unity.Collections).

Unmanaged arena memory allocators for C#/CSharp with easy interactions between managed and unmanaged references

Varena is a .NET library that provides a fast and lightweight arena allocator using virtual memory.