
ChainMemory
Mem0
Memori
Pieces for Developers
cognee
TheSecondBrain.dev
Claiv Memory
Persistent memory for Claude Code, Codex & coding agents

SQL Fiddle
DB Fiddle
Online SQL Editor
Rextester
Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | agent-memory.dev | extendsclass.com |
| Company | — | 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Agentmemory yet.
It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


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


Share your experience with using Agentmemory and ExtendsClass SQL Online. For example, how are they different and which one is better?
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Your private, local memory layer for all AI tools
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An online tool for testing, sharing and collaborating on SQL snippets
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Persistent memory from agent trace, not just conversation
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Free Online SQL Editor
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