OpenExp alternatives

Tools that do what OpenExp 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 OpenExp.

Read 2026-10-22

With a free plan or free to use: Lumo by Proton, Writingmate, WitchPrompt, ProvenSkills, Navige, claude-devtools, BrowserOS.

10 alternativesUnlike OpenExp

#1
Lumo by Proton Security
Provides encrypted email, calendar, cloud storage, password manager and VPN under one Proton account, with the Lumo chat assistant as an add-on.
Free planAlso: Chat assistant, Security
3.4M
Active
Free plan
2014
#2
Servana Agents MCP · open
Gives local service vendors a booking page, then a booking agent follows up with customers and forwards qualified requests.
Also: Agents, Workflow automationOwn MCP server
179
Active
#3
Writingmate Agents MCP · sign-in
Runs chats across GPT, Claude and Gemini models in one thread, with file uploads, web search and image generation.
Free planAlso: Chat assistant, Image
8.4k
Active
From $19.99/mo
2022
#4
WitchPrompt Agents
Stores reusable AI prompt templates with fill-in variables and presets, then sends the finished prompt to ChatGPT, Claude or Gemini.
Free plan
51 linking domains
Active
From $9.99/mo
#5
Fast.io Agents MCP · sign-in
Stores files for AI agents with metadata indexing and retrieval to reduce API calls and costs.
Also: Agents, RAGMore widely used
10.9k
Active
From $29/mo
#6
ProvenSkills Agents MCP · sign-in
Sells packs of reusable agent skills written by domain experts, which connect to Claude or Cursor and update automatically.
Free plan
1
Active
From $300/mo
#7
Navige Agents
Sits between AI agents and model providers, caching, trimming and routing their calls to cut programmatic model spend.
Free plan
17
From $9/mo
#8
/mission for Claude Code Agents
Decomposes prompts into multi-agent plans and coordinates Claude, GPT, and other models to execute tasks in parallel or sequence.
Also: Workflow automation
27 linking domains
Active
#9
claude-devtools Agents
Displays detailed session logs from Claude including tool calls, thinking steps, token usage, and file changes hidden from the terminal.
Free plan
201
Maintained
Open source
#10
BrowserOS Agents
Browser for AI agents to navigate, log in, and interact with websites while you watch and replay sessions.
Free planAlso: Agents
914
Active
Open source
2024

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How this list is made: the words OpenExp 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.