
jQuery
Mercenaries 2: World in Flames
Hitman
Order and Chaos Online
Mass Effect: Andromeda
React
Uncharted 4: A Thief’s End
Prototype JavaScript framework

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, Prototype seems to be more popular. It has been mentioned 4 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | prototypejs.org | chainmemory.ai |
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In their own words, as submitted to SaaSHub.


No description of Prototype 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
Prototype.js is recommended primarily for developers working on maintaining or upgrading older web applications that were originally built using this library. It's not advised for new projects, as there are more robust and widely-supported tools available today that offer better performance, features, and community support.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
PROTOTYPE: 10 Years Later
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How often each product is chosen within a category, 0–100% relative to the other.


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


It's very weird to realise that this isn't long enough to remember a time when extending native prototypes was en vogue. Source: almost 4 years ago
The parent is referring to the Prototype framework (http://prototypejs.org/), not the JS language concept of a prototype. Source: about 4 years ago
Let's not forget about http://prototypejs.org/ & http://script.aculo.us/ for modern Web 2.O. - Source: Hacker News / almost 5 years ago
Tracking ChainMemory since Jul 2026.
When comparing Prototype and ChainMemory, you can also consider the following products.



Mercenaries 2: World in Flames offers a combination of exciting elements such as Action-Adventure, Third-person Shooter, Single and Multiplayer developed by Pandemic Studios and published by Electronic Arts.
Compare Mercenaries 2: World in Flames to Prototype or ChainMemory:

Persistent memory from agent trace, not just conversation
Compare Memori to Prototype or ChainMemory:

Hitman is the marvelous sixth installment in the Hitman series developed by IO Interactive and published by Square Enix.
Compare Hitman to Prototype or ChainMemory:

Persistent memory for Claude Code, Codex & coding agents
Compare Agentmemory to Prototype or ChainMemory: