* [GrayMatter v0.17.0](https://github.com/angelnicolasc/graymatter) – Three-line embeddable agent memory layer providing persistent memory and reducing token usage by about 90%.

* [deja-vu v0.19.0](https://github.com/vshulcz/deja-vu) – Zero-dependency CLI memory layer that indexes Claude Code, Codex, and opencode session logs for fast search, agent recall, redaction, stats, and sync.

* [Flatbread v1.1.0](https://github.com/FlatbreadLabs/flatbread) – Turns Git-backed Markdown and YAML files into a typed relational graph queried via GraphQL, generated TypeScript, or the Flatbread CLI.

* [ax v0.43.0](https://github.com/Necmttn/ax) – Local agent-experience loop that learns from AI coding agent sessions, records retro experiments in a typed graph, and proposes repo-specific fixes for review.

* [AtomicMemory cli-v0.2.1](https://github.com/atomicstrata/atomicmemory) – Inspectable, portable semantic memory layer for agents and applications, supporting portable capture, groundings, and correction-aware knowledge across SDK, CLI, MCP, adapters, and plugins.

* [Mnemon v0.2.5](https://github.com/mnemon-dev/mnemon) – LLM-supervised persistent memory for AI agents with graph-based recall, intent-aware retrieval, importance decay, and automatic deduplication.