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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
—
Pro-provider median
—
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
17th pctile
10 strong substitutes
Price momentum · 31d
-22.7%
Agents · Pro median
$15/mo
1 priced · $15–$15 mid 50%
MCP servers · Pro median
$7/mo
3 priced · $5.5–$9 mid 50%
Platforms · Pro median
$165/mo
4 priced · $66.25–$375 mid 50%

Agents cost 2.1× MCP servers at the Pro tier.

Price spectrum · Pro plans · 6 of 10 providers priced · log scale · $4 → $250/mo
Agents 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.

OOther11Ranked by relevance
zettelkasten_second_memorythis listing
● OTHER · relevance 100%
no public price
chatcrystal
● OTHER · relevance 77%
no public price
memory_viewer
● OTHER · relevance 68%
no public price
kmm_plugin
● OTHER · relevance 68%
no public price
scribe_2
● OTHER · relevance 67%
no public price
hermes_gbrain_bridge
● OTHER · relevance 67%
no public price
ai_agent_workflow
● OTHER · relevance 67%
no public price
anytype_mind
● OTHER · relevance 67%
no public price
dailyup_second_brain
● OTHER · relevance 66%
no public price
zaloclaw
● OTHER · relevance 66%
no public price
hermes-talk
● OTHER · relevance 65%
no public price
AAgents6Ranked by relevance
conversation_distiller
● AGENT · relevance 72%
no public price
vir_llm_wiki
● AGENT · relevance 67%
no public price
reflect_notes
● AGENT · relevance 66%
no public price
voxai
● AGENT · relevance 66%
$39 one-time Pro
not monthly-comparable
pod2wiki
● AGENT · relevance 65%
no public price
ancher
● AGENT · relevance 65%
$15/mo Pro
FFrameworks8Ranked by relevance
memento_vault
● FRAMEWORK · relevance 72%
no public price
youtube2skills
● FRAMEWORK · relevance 70%
no public price
mnemon
● FRAMEWORK · relevance 68%
no public price
memories_off_skill
● FRAMEWORK · relevance 68%
no public price
yongsheng_skill
● FRAMEWORK · relevance 67%
no public price
clawg
● FRAMEWORK · relevance 67%
no public price
totem
● FRAMEWORK · relevance 66%
no public price
plasma_wiki
● FRAMEWORK · relevance 65%
no public price
MMCP servers19Ranked by relevance
Vist
● MCP · relevance 71%
$7/mo Pro
0% vs Pro median
MyAITwin
● MCP · relevance 71%
no public price
Hjarni
● MCP · relevance 70%
$11/mo Pro
+57% vs Pro median
brain_mcp
● MCP · relevance 69%
no public price
agent_library
● MCP · relevance 68%
no public price
knownbase
● MCP · relevance 68%
no Pro plan
entry $3/mo
solomd
● MCP · relevance 68%
no public price
pūrmemo
● MCP · relevance 68%
no public price
BrainTube
● MCP · relevance 68%
no Pro plan
entry $10/mo
CO
core
● MCP · relevance 68%
no Pro plan
entry $10/mo
a_modular_kingdom
● MCP · relevance 67%
no public price
llm_wiki_kit
● MCP · relevance 66%
no public price
agentgraph_server
● MCP · relevance 66%
no public price
mindola
● MCP · relevance 66%
no public price
cortexgraph
● MCP · relevance 66%
no public price
engram_5
● MCP · relevance 66%
no public price
project_synapse_mcp
● MCP · relevance 66%
no public price
obsidian_llm_wiki
● MCP · relevance 66%
no public price
sync_vault
● MCP · relevance 65%
$4/mo Pro
-43% vs Pro median
PPlatforms5Ranked by relevance
Nessie Labs
● PLATFORM · relevance 67%
$28/mo Pro
-83% vs Pro median
agentplaybooks
● PLATFORM · relevance 67%
no public price
scritty
● PLATFORM · relevance 66%
$250/mo Pro
+52% vs Pro median
callimachus
● PLATFORM · relevance 66%
no public price
beever_atlas
● PLATFORM · relevance 66%
no public price
AAPIs1Ranked by relevance
memu_memory_graph
● API · relevance 66%
no public price

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.