jecacs 

Minimal, near zero-allocation bulk INSERT for EF Core on PostgreSQL via binary COPY. A tiny alternative to EFCore.BulkExtensions: ~10-13x faster than SaveChanges and orders of magnitude less memory.

A lean, dependency-light .NET 8 SDK for Solana. JSON-RPC reads, send/simulate, and multiplexed WebSocket streaming; Ed25519 keys and signing; SPL Token, PDA, and ATA helpers; and spec-accurate legacy and v0... More information