Agent Memory Providers Compared — Honcho, Mem0, Hindsight, and Five More

Modern assistants still forget everything when you close the tab unless something persists beyond the context window. Agent memory providers are services or libraries that hold facts and summaries across sessions — often wired in as plugins so the framework stays thin while memory scales. This guide compares eight backends that ship as Hermes Agent external memory plugins — Honcho, OpenViking, Mem0, Hindsight, Holographic, RetainDB, ByteRover, and Supermemory — and explains how they fit into bro