Best Open-Source Agent Memory Systems (Self-Hosted, 2026)

· Hindsight Blog · Aug. 11, 2026, 6:22 p.m.
Open Source comparison hindsight Self-hosting open-source software software development benchmarking Self-Hosted Solutions
Summary
This blog post provides a comprehensive comparison of various self-hosted open-source agent memory systems, including Hindsight, Mem0, Graphiti/Zep, Letta, and Cognee, based on benchmark data.
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