
knowsme alternatives
Tools that do what knowsme does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from knowsme.
Read 2026-10-27 · knowsme itself: Free plan · From $5/mo
With a free plan or free to use: Lumo by Proton, Gnosis Memory, Cloudflare, Synapse Layer, SkyOS, Context Engine, Stompy.
- #1

Lumo by ProtonSecurity
Provides encrypted email, calendar, cloud storage, password manager and VPN under one Proton account, with the Lumo chat assistant as an add-on.
Also: Chat assistant, SecurityMore widely used
3.4MActiveFree plan2014 - #2

Gnosis MemorySecurityMCP · sign-in
Stores encrypted memories of your preferences, decisions and tasks and serves them to multiple AI assistants over MCP.
Also: Search, Security
Little sign of useFrom $5/mo - #3

PennySecurityMCP · open
Stores your notes, preferences and projects encrypted and serves them to any MCP-compatible AI tool.
Also: SecurityOwn MCP server
5 - #4

FirefoxSecurity
Blocks trackers by default in a web browser and moves bookmarks, passwords and history between devices.
Also: SecurityMore widely used
1.2MActive2002 - #5

innernetProductivityMCP · sign-in
Stores your project decisions and context in one memory that any connected AI tool can read and write.
Same job
14Active - #6

CloudflareSecurityMCP · open
Proxies website traffic through a global network for CDN caching, DNS, DDoS protection and a web firewall, plus Workers serverless code and zero-trust access.
Costs moreAlso: Agents
4.9MActiveFrom $20/mo2009 - #7

Synapse LayerSecurityMCP · open
Stores and retrieves encrypted shared memory for AI agents across sessions, models, and applications.
Costs moreAlso: Agents, Security
27 installs/moActiveFrom $19/mo - #8

SkyOSKnowledgeMCP · sign-in
Stores short dated notes per project so Claude, ChatGPT and Codex can resume them in a new chat.
Same job
1ActiveFree - #9

Context EngineKnowledge
Stores decisions, notes and files that AI tools save and read over MCP, shared across a team.
Costs moreMore widely used
2.4k linking domainsFrom $12/mo - #10

StompyMCP · sign-in
Stores decisions and preferences from your AI tools in one shared memory, checks new saves against existing ones, and flags contradictions.
Same job
81ActiveFrom $4.99/mo
← knowsme: the full cardAll Security tools →
How this list is made: the words knowsme is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.
Cookies
Before we count this visit
Analytics and ad measurement tell us which pages and which of our ads do their job: Google Analytics and Google Ads, the Meta pixel, Yandex Metrica, and one first-party id of our own. Nothing is stored until you answer, and declining changes nothing about the site.