Ontonym alternatives

Tools that do what Ontonym 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 Ontonym.

Read 2026-10-17 · Ontonym itself: Free plan · From $9/mo

With a free plan or free to use: Cloudflare, GitHub, Quillm, Softr, Merge, Stele · Agentic Ledger, Paragon Integration Infrastructure.

10 alternativesUnlike Ontonym

#1
Cloudflare Agents MCP · open
Runs serverless code and AI agents globally with integrated security, storage, and databases without managing infrastructure.
Costs moreOwn MCP server
4.9M
Active
From $20/mo
2009
#2
GitHub Developer tools
Hosts code repositories, manages pull requests, and automates development workflows with AI assistance.
Also: Code generationMore widely used
42M
From $4/user/mo
2007
#3
Quillm Developer tools MCP · sign-in
Lets agents such as Claude Code or Cursor publish trackers, dashboards and docs as shared pages, keeping revisions and datasets.
Costs more
Little sign of use
From $15/mo
#4
CROO Developer tools
Decentralized infrastructure for building, discovering, and trading autonomous AI agents with on-chain identity and verifiable service contracts.
More widely used
18.4k
Active
#5
Softr Developer tools
Builds custom business apps, portals, and internal tools without code using databases and AI agents.
Costs moreMore widely used
259k
Active
From $19/mo
2020
#6
Merge Developer tools
Provides API infrastructure for AI agents to access tools, route LLM requests, and sync data across third-party systems.
Costs moreMore widely used
35.1k
Active
From $650/mo
2020
#7
Hostinger Developer tools MCP · sign-in
Hosts websites, domains, and email; provides AI tools to build sites, automate tasks, and create email campaigns.
CheaperMore widely used
484k
Active
From $2.99/mo
2004
#8
Stele · Agentic Ledger Developer tools MCP · sign-in
Stores project decisions, tasks, and lessons in shared memory that coding agents read and write across sessions.
Costs moreMore widely used
38
Active
From $12/mo
#9
Paragon Integration Infrastructure Developer tools
Provides API and connectors for AI agents to ingest data and take actions in third-party applications.
Also: RAGMore widely used
24.4k
Active
Free plan
2019
#10
Activeloop AI Knowledge Agent Developer tools
Infrastructure for AI agents to observe production, build shared memory, and improve continuously through feedback loops.
Also: RAGMore widely used
12.1k
Active

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How this list is made: the words Ontonym 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.