
RegExr
RegexBuddy
regular expressions 101
Expresso
Regex Hero
RegexMagic
Regulex
Patterns is a simple yet powerful tool for working with regular expressions.

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 | krillapps.com | chainmemory.ai |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Patterns 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.


No analysis of Patterns 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 Patterns and ChainMemory. For example, how are they different and which one is better?
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Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.
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Persistent memory for Claude Code, Codex & coding agents
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