
AlternativeTo
Product Hunt
SaaSHub
LibHunt
SourceForge
DevHunt
Open Source Alternative To
Discover Open Source Alternatives to Popular Software

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?
Based on our record, OpenAlternative seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | openalternative.co | chainmemory.ai |
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| Company | 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


OpenAlternative is a community driven list of open source alternatives to proprietary software and applications. The goal of the site is to be your first stop when researching for a new open source service to help you grow your business. It will help you find alternatives and reviews of the...
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.


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


No analysis of OpenAlternative yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using OpenAlternative and ChainMemory. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


i've found this site easier to use and have better results than alternativeto. https://openalternative.co/. - Source: Hacker News / 2 months ago
I dunno why someone would link to the repo, it's not a project one builds to host locally Also, for comparison: https://openalternative.co/?q=splunk https://alternativeto.net/software/splunk/?license=opensource. - Source: Hacker News / over 1 year ago
There are a few: - https://openalternative.co/ - https://www.opensourcealternative.to/ - https://opensourcealternatives.org/ - https://www.btw.so/open-source-alternatives By just aggregating everything FOSS, doesn't mean its useful. Its... - Source: Hacker News / over 2 years ago
Tracking ChainMemory since Jul 2026.
When comparing OpenAlternative and ChainMemory, you can also consider the following products.

AlternativeTo lets you find apps and software for Windows, Mac, Linux, iPhone, iPad, Android, Android Tablets, Web Apps, Online, Windows Tablets and more by recommending alternatives to apps you already know.
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Your private, local memory layer for all AI tools
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Persistent memory from agent trace, not just conversation
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Find and promote software that will help you grow your business or to be more productive.
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Persistent memory for Claude Code, Codex & coding agents
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