Market around Zettelkasten Second Memory

OpenClaw and Hermes Agent plugin that converts AI conversations into a permanent Zettelkasten knowledge base with atomic notes, bi-directional links, and knowledge distillation.

Visit github.com ↗Pricing page ↗

Explore the market

Prices and medians update for the tier you select.

Compare at

Zettelkasten Second Memory · Pro

No Pro plan

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Pro-provider median

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insufficient comparable pricing

vs Pro providers

No comparison

Zettelkasten Second Memory doesn't sell Pro

ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.

Market density

18th pctile

13 competing vendors

Comparable listings · 30d

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MCP servers · Pro median

$48.45/mo

4 priced · —–— mid 50%

Platforms · Pro median

$53.5/mo

3 priced · —–— mid 50%

Price spectrum · Pro plans · 7 of 9 providers priced · log scale · $7 → $250/mo

MCP servers Platforms◻ shaded = middle 50% · line = median (all types)Zettelkasten Second Memory has no comparable Pro price — not plotted

Products in this market

Ranked by how closely each one matches Zettelkasten Second Memory's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.

OOther2Ranked by similarity

Zettelkasten Second Memorythis listing

AAgents1Ranked by similarity

Conversation Distiller

● AGENT72% similar

no public price

FFrameworks1Ranked by similarity

Memento Vault

● FRAMEWORK72% similar

no public price

MMCP servers2Ranked by similarity

Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.