
Ory
Keycloak
Auth0
Okta
ZITADEL
authentik
Cerbos
Amazon Cognito
Tempreon
ChainMemory
Memori
Mem0
Agentmemory
TheSecondBrain.dev
cognee
VATES.jp
Tempreon is a personal memory layer for your AI tools, connected over MCP. Your knowledge, preferences, and decisions travel across Claude, ChatGPT, Cursor, and any MCP-capable client — captured once, available everywhere. It learns how you actually work instead of just storing what you said.
Ory
TempreonOry is recommended for software developers, cloud-native application architects, and IT security teams looking for a customizable and scalable IAM solution. It's particularly well-suited for enterprises with complex access management needs, SaaS providers, and any organization prioritizing security and privacy in their applications.
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Tempreon's answer:
Tempreon started with a simple observation: AI models keep changing, but the thing that makes them useful to you — your context, your preferences, your judgment — gets rebuilt from scratch inside every tool, and lost every time you move.
We built the layer that fixes that: person-owned memory served over the open Model Context Protocol, so it works across assistants instead of belonging to one. Along the way we open-sourced the pieces that are useful to everyone regardless of whether they use Tempreon — like memhaul, our MIT-licensed CLI for turning ChatGPT and Claude data exports into files you own.
The through-line is custody: the model is temporary, your memory shouldn't be.
Tempreon's answer:
Most alternatives in this space are memory infrastructure for developers building their own AI apps. If you're the person using several AI tools every day, that's not your problem — your problem is re-explaining yourself to each of them and losing everything when you switch.
The choice is really about who the memory is for. Ours is for you.
Tempreon's answer:
Tempreon is built for the person, not the app. Most memory products are developer APIs for adding memory to a single product; Tempreon is a memory layer you own that travels with you across every AI tool you use — Claude, ChatGPT, Cursor, anything MCP-capable.
Tempreon's answer:
Individuals who live in AI tools all day: operators, consultants, founders, sales professionals, and knowledge workers who use more than one assistant and are tired of being a stranger to each of them.
If you've ever pasted the same context into Claude and ChatGPT in the same week — you're the audience.
Tempreon's answer:
The protocol choice is the product decision: build on the open standard, and your memory works everywhere the standard does.
Based on our record, Ory seems to be more popular. It has been mentiond 19 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://ory.sh has an open- source self-hosted option Hydra (and a number of other services). - Source: Hacker News / almost 2 years ago
In this final installment of our series, we transition from a development environment to a production-ready setup by deploying our NestJS application integrated with self-hosted Ory services to the Ory Network. This process showcases the interoperability of Ory Network with our existing self-hosted setup and highlights how Ory Network can simplify deployment processes and reduce operational overhead. - Source: dev.to / over 2 years ago
Ory - AuthN/AuthZ/OAuth2.0/Zero Trust managed security platform. Forever free developer accounts with all security features, unlimited team members, 200 daily active users, and 25k/mo permission checks. - Source: dev.to / over 2 years ago
I cannot recommend https://ory.sh enough. Great team too. - Source: Hacker News / over 2 years ago
Heya looked at https://ory.sh. It is open source, well supported and written in Go. Source: over 3 years ago
Keycloak - Open Source Identity and Access Management for modern Applications and Services.
ChainMemory - Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
Auth0 - Auth0 is a program for people to get authentication and authorization services for their own business use.
Memori - Persistent memory from agent trace, not just conversation
Okta - Enterprise-grade identity management for all your apps, users & devices
Mem0 - Your private, local memory layer for all AI tools