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13 ways to give Claude Code or Codex a memory on your own PC, compared across 16 features. Updated 2026-10-09.
Column order. The plain Markdown folder comes first as the baseline: notes you save yourself and the assistant reads with its normal file tools. The tools follow by GitHub stars.
Every cell comes from the tool's own documentation on the date shown. Nothing here was installed or tested, so a Yes means the docs say so, not that it was tried. Not documented means the docs were checked and don't say, which is not the same as a confirmed No. Footprint is an estimate from the dependencies each tool's docs list. Unknown means the tool wasn't researched that far.
Each row's description says how it was checked. Sister chart: agent-manager comparison.