
Mailpile
Mailo
HEY
Cypht
Soverin
Teknik Mail
InstAddr
Horde Groupware is a free, enterprise ready, browser based collaboration suite.

Mem0
Memori
Agentmemory
Supermemory
Tempreon
cognee
TheSecondBrain.dev
Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | horde.org | chainmemory.ai |
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In their own words, as submitted to SaaSHub.


No description of Horde yet.
ChainMemory gives your AI agents persistent memory that belongs to YOU — not to a single vendor. Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
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The Horde - Movie Review (2009)
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External articles and on-site reviews we used to compare the two products.


Horde is an open-source groupware solution for teams and communities. It offers a webmail edition, a responsive interface and customizable dashboard.
The Horde platform offers a PHP framework with applications and libraries for creating a customized environment that suits your workflow. Your Horde webmail supports POP3 and IMAP protocols and HTML message composition.
Horde Horde is more just a mail client, it is an enterprise-focused groupware. Horde is capable to read, send and organize mail correspondence, fully manage contacts, calendars, tasks and various notes. Horde is using...
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Mailo is an email client where you can send and receive emails to and from anyone with an email address.
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Persistent memory from agent trace, not just conversation
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Persistent memory for Claude Code, Codex & coding agents
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