
Cyber Library alternatives
Tools that do what Cyber Library 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 Cyber Library.
Read 2026-10-23
With a free plan or free to use: Craft Docs, Stashr, Mintlify, Refyc, Dexi, Vida.
- #1

Craft DocsKnowledge
Writes and organizes notes and documents built from nestable blocks, with daily notes, tasks, offline apps and pages that can be shared on the web.
Free planMore widely used
89.1kActiveFrom $8/mo - #2

StashrKnowledgeMCP · sign-in
Saves bookmarks from any platform, tags them with AI, and makes them searchable for you or your agents.
Free planMore widely used
68ActiveFrom $6/mo - #3

MintlifyKnowledge
Hosts self-updating documentation and knowledge bases that agents and LLMs can access and search.
Free planAlso: Search, RAG
34.9kActiveFrom $450/mo - #4

RefycKnowledge
Builds knowledge graphs from public sources, mapping connections between people, organizations, and events with cited sources.
Free planAlso: RAG, Search
4ActiveFrom $5 per use - #5

DexiKnowledgeMCP · sign-in
Collects notes, bookmarks, newsletters and RSS feeds into one tagged, searchable workspace with a spaced-repetition review deck.
Free planAlso: Chat assistant
30ActiveFrom $5/mo2020 - #6

VidaKnowledge
Assists with writing, research, and content creation tasks through conversational interface.
Free planAlso: Chat assistant, Writing
1ActiveFree plan - #7

AtlyKnowledgeMCP · open
Ranks and explains local places against a person's stated intent, such as a quiet café for remote work, through an app or API.
Also: SearchMore widely used
3.5MActive - #8

KeposKnowledge
Gives several AI agents one versioned knowledge base over MCP, with a shared chat stream for coordinating handoffs.
Also: AgentsMore widely used
2Active - #9

TettraKnowledge
Builds internal knowledge bases and answers repetitive questions via AI bot in Slack and web interface.
More widely used
10.4kMaintainedFrom $8/user/mo - #10

PerplexityAI assistants
AI search engine that answers questions from live web sources with citations, with plans for teams and companies.
More widely used
4.2M2022
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How this list is made: the words Cyber Library 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.
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