EchoVault is a distributed in-memory data store and cache built entirely with Go. Features include:

TLS & mTLS connections

Persistence and recovery layer using Append-Only files and Snapshots

Distributed Pub/Sub w/ Consumer Groups

Replication layer using RAFT algorithm (leveraging hashicorp memberlist & raft)

Access Control List

Set, Sorted Set, List, and Hashmap data structures

There are more pending features in the pipeline, such as eviction policies and transactions. You can check out the GitHub repository: https://github.com/EchoVault/EchoVault