Circles alternatives

Tools that do what Circles 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 Circles.

Read 2026-11-02 · Circles itself: Free plan · From $9.90/mo

With a free plan or free to use: Writingmate, OpenClaw, BrowserOS, Cortex by SKYNETLAB, LeapMemory.

10 alternativesUnlike Circles

#1
Writingmate Agents MCP · sign-in
Runs chats across GPT, Claude and Gemini models in one thread, with file uploads, web search and image generation.
Costs moreAlso: Chat assistant, Image
8.4k
Active
From $19.99/mo
2022
#2
Maindex Agents MCP · sign-in
Stores a shared memory graph that AI agents and teammates read and write via MCP or REST, with provenance on each fact.
Costs moreAlso: Agents
4
Active
From $14.99/mo
#3
OpenClaw Agents MCP · sign-in
Open source AI assistant that manages email, calendar, and tasks from chat apps without subscriptions.
Open sourceAlso: Agents, Chat assistant
182k
Active
Open source
#4
BrowserOS Agents
Browser for AI agents to navigate, log in, and interact with websites while you watch and replay sessions.
Also: AgentsMore widely used
914
Active
Free
2024
#5
Pacing Tools Agents MCP · sign-in
Feeds Garmin, Coros and Strava activity data to Claude or ChatGPT via a private MCP link for answers from your own runs.
Also: Chat assistant, AnalyticsMore widely used
208
#6
Cortex by SKYNETLAB Agents
Stores and manages semantic memory shared across AI models and agents, filtering noise and tracking contradictions.
Also: AgentsMore widely used
28 linking domains
Active
From ≈ $11/mo
#7
Skills & Agents Agents MCP · sign-in
Provides plain-text instructions and pre-built agents that extend AI assistants like Claude and ChatGPT to complete specific tasks.
Also: AgentsMore widely used
6
Active
#8
PolyAI Agents
Builds and runs voice AI agents that handle customer conversations across phone, chat, and other channels.
Also: Agents, VoiceMore widely used
392k
Active
Pay per use
2017
#9
Open Agent Skill Agents
Registry that helps AI agents discover, compare, and install reusable skills with trust signals and install commands.
Also: AgentsMore widely used
305
Active
From $9.99/mo
2026
#10
LeapMemory Agents MCP · sign-in
Stores exact facts a user tells an AI assistant and recalls them in later chats, served to any model over MCP.
Costs moreMore widely used
1
Active
From $20/mo

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How this list is made: the words Circles 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.