Kaiku alternatives

Tools that do what Kaiku 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 Kaiku.

Read 2026-10-27 · Kaiku itself: From $6/user/mo

With a free plan or free to use: Capacities, Plane, Notion, agent-wiki, Dexio, Tana, MarkupBase, aNotepad.

10 alternativesUnlike Kaiku

#1
Capacities Knowledge MCP · sign-in
Turns notes, tasks and sources into linked objects, and surfaces places where notes mention each other without a link.
More widely used
4.6k
Active
From $9.99/mo
2022
#2
Plane Productivity
Tracks issues, cycles and modules in an open-source project management tool, with wiki pages, multiple views and a self-hosted option.
Also: Workflow automationCan run on your servers
130k
Active
From $6/user/mo
2022
#3
Notion Data MCP · sign-in
Combines pages, wikis and databases in one workspace where teams write docs, track projects and tasks, and keep shared notes.
Costs moreAlso: Workflow automation
1.1M
Active
From $10/user/mo
2016
#4
agent-wiki Knowledge MCP · sign-in
Gives a team one shared wiki per client project that Claude and other MCP-connected agents read and write.
Same job
Little sign of use
Active
From $9.99/mo
#5
Dexio Knowledge MCP · sign-in
Hosts a shared markdown wiki that AI agents read, write and link, with a per-change history of who edited what.
Costs moreAlso: Search
1
Active
From $10/user/mo
#6
Kepos Knowledge
Gives several AI agents one versioned knowledge base over MCP, with a shared chat stream for coordinating handoffs.
More widely used
2
Active
#7
Tana Knowledge
Outliner workspace that stores notes, tasks and meeting transcripts as linked nodes with typed fields, plus an assistant that acts on them.
Costs moreAlso: Workflow automation
11.4k
Active
From $20/user/mo
2021
#8
MarkupBase Knowledge MCP · sign-in
Publishes markdown or HTML artifacts and lets people and agents review exact versions, comments and decisions in one history.
Also: Workflow automation
Little sign of use
Active
From $120/yr
#9
Glean Knowledge
Indexes company apps like Slack, Drive and Jira into one permission-aware search, with a chat assistant and agents that answer from that index.
More widely used
63.5k
Active
Contact sales
2019
#10
aNotepad Knowledge MCP · sign-in
Browser-based notepad for writing, formatting and sharing notes via public, private or password-protected links, with PDF and Word export.
Also: WritingMore widely used
28.5k
2009

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How this list is made: the words Kaiku 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.