Software Alternatives & Startups

TheSecondBrain.dev VS SAME (Stateless Agent Memory Engine)

Compare TheSecondBrain.dev VS SAME (Stateless Agent Memory Engine) and see what are their differences

TheSecondBrain.dev

One Brain. Everywhere you work. One memory for Claude, ChatGPT, Cursor and every AI tool you use. Runs in your own Cloudflare account. Open source.

No screenshot yet
Rating
0 reviews
Pricing
Open source
SAME (Stateless Agent Memory Engine)

Your AI picks up where it left off. One memory across Claude Code, Cursor, Windsurf, Codex CLI, Gemini CLI, and every MCP tool. Local, private, zero cloud. Memory with provenance.

No screenshot yet
Rating
0 reviews

Which is more popular?

AI Memory popularity
100% vs 0%
alternatives listed
30 vs 37

Base details

Website, pricing, platforms and company facts side by side.

TheSecondBrain.dev
SAME (Stateless Agent Memory Engine)
Website thesecondbrain.dev statelessagent.com
Pricing
Open source
—
Company Startup from the United States · 2026 —
Listed in

About TheSecondBrain.dev and SAME (Stateless Agent Memory Engine)

In their own words, as submitted to SaaSHub.

TheSecondBrain.dev
SAME (Stateless Agent Memory Engine)

You use AI every day. A year of it should add up to something, and right now it doesn't. Every new chat starts from zero. Second Brain is a memory layer that runs in your own Cloudflare account. Claude, ChatGPT, Cursor, Windsurf and any other MCP client read and write the same store, so what you...

Read more about TheSecondBrain.dev

No description of SAME (Stateless Agent Memory Engine) yet.

Features and specs

What each product offers, as listed by its team.

TheSecondBrain.dev 11 features
SAME (Stateless Agent Memory Engine) 5 features
  • Works with
    Claude, ChatGPT, Cursor, Windsurf, Codex, any MCP client
  • Where it runs
    Your own Cloudflare account (Workers, D1, Vectorize)
  • Recall
    Semantic search with multi-hop graph expansion, not keyword
  • Memory Status
    Entries marked canonical, draft or deprecated so agents know what to trust
  • Contradiction Detection
    Conflicts are flagged for you to settle, never auto-overwritten
  • Capture methods
    Chrome extension, iOS Shortcuts, CLI, REST /capture, MCP tools
  • Integrations
    Obsidian, Notion (email and calendar ship with 2.1)
  • Setup
    Signed Mac and Windows installer, one-click Cloudflare deploy, or wrangler
  • Open Source
    Yes, github.com/rahilp/second-brain-cloudflare
  • Cost
    Typical personal use fits inside Cloudflare's free tier
  • Data Access
    No account with us, nothing routes through our infrastructure
  • Persistent Context for Stateless Systems
    SAME allows inherently stateless agents (like typical LLM API calls) to maintain continuity across sessions, enabling more coherent long-term interactions without requiring the underlying model to natively support memory.
  • Scalability
    By decoupling memory storage from the agent's core processing, SAME can potentially scale independently, allowing multiple agent instances to share or access consistent memory stores without bottlenecking the agent's compute resources.
  • Flexibility Across Models
    Since the memory engine operates externally to the AI model itself, it can theoretically be used with various LLMs or agent frameworks, making it adaptable rather than locked into a single vendor's ecosystem.
  • Simplified Agent Architecture
    Developers can offload memory management complexity to SAME, allowing them to focus on core agent logic rather than building custom memory persistence solutions from scratch.
  • Improved Personalization
    With persistent memory, agents can better tailor responses based on historical user interactions, preferences, and past context, leading to more relevant and personalized outputs over time.

Possible disadvantages

  • Limited Public Information
    As a relatively niche or newer product, there may be limited documentation, case studies, or third-party reviews available, making it harder to fully evaluate its reliability, performance, and real-world effectiveness before adoption.
  • Potential Latency Overhead
    Introducing an external memory retrieval step for every agent interaction could add latency compared to fully stateless calls, especially if the memory store is large or the retrieval mechanism isn't optimized.
  • Data Privacy and Security Concerns
    Storing persistent memory about user interactions raises questions about data privacy, security, and compliance with regulations like GDPR, especially if sensitive information is retained without clear user consent mechanisms.
  • Integration Complexity
    Depending on the existing agent architecture, integrating an external memory engine like SAME may require non-trivial engineering work, including handling synchronization, consistency, and error states between the agent and memory store.
  • Dependency Risk
    Relying on a third-party service for core memory functionality introduces a dependency risk—if the service experiences downtime, pricing changes, or discontinuation, it could significantly impact the reliability of agents built on top of it.

Videos

Walkthroughs and reviews on video.

TheSecondBrain.dev 2 videos + Add
SAME (Stateless Agent Memory Engine) 0 videos + Add

The Same Memory, Across Every Al Tool | Second Brain Demo

More videos

  • - How to Set Up Second Brain Desktop App in 2 Minutes

No SAME (Stateless Agent Memory Engine) videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
TheSecondBrain.dev
SAME (Stateless Agent Memory Engine)
100% 100%
0% 0%
29% 29%
71% 71%
29% 29%
AI
71% 71%
30% 30%
70% 70%

Questions & Answers

As answered by people managing TheSecondBrain.dev and SAME (Stateless Agent Memory Engine).

What makes your product unique?

TheSecondBrain.dev's answer

Most AI memory tools store your context on their servers. This one deploys into your own Cloudflare account, so the memory is yours in a literal sense: your database, your vectors, your billing. We can't read it because we never have it.

The other difference is recall:

  • Semantic, not keyword. Ask by meaning, not by remembering what you called it.
  • Multi-hop. Memories link to each other, so a query surfaces the reasoning behind a decision, not just the decision.
  • Status-aware. Entries are marked canonical, draft or deprecated, so an agent knows which version of a fact to trust.
  • Honest about conflicts. When two memories disagree it flags it for you instead of quietly picking a winner.

Why should a person choose your product over its competitors?

TheSecondBrain.dev's answer

It works everywhere you work. Claude, ChatGPT, Cursor, Windsurf, Codex, any MCP client. Most memory tools only remember what happened inside their own app, so you end up with three AI tools holding three different versions of you.

You own the deployment. One-click deploy to Cloudflare, or a signed desktop installer if you'd rather not touch a terminal. Typical personal use sits inside Cloudflare's free tier, so there's no subscription to cancel and no vendor to migrate off later.

It's open source. MIT licensed. Read the code, fork it, extend it. Nothing about how your memory is stored or retrieved is a black box.

How would you describe the primary audience of your product?

TheSecondBrain.dev's answer

People who already live in these tools. They have an Obsidian vault or a Notion workspace, they're in Claude or ChatGPT every day, and some of them are in Cursor too. They're not casual users and they're not necessarily developers. They've built a system, and they've noticed the system doesn't talk to itself.

The shared frustration isn't "AI forgets." It's that a year of real thinking, hours of working through actual problems, hasn't left anything behind. Every conversation is good and then it's gone, and a month later they're figuring out the same thing from scratch.

They also tend to care where their work sits. Not privacy absolutists, just people who'd rather their own thinking accumulate in an account they control than in someone else's product they might have to leave.

What's the story behind your product?

TheSecondBrain.dev's answer

I was using Claude, ChatGPT and Cursor every day and re-explaining the same projects to each of them. A year of that adds up to nothing. The decisions I'd worked out in one tool simply didn't exist in the next one.

I built it for myself first, on Cloudflare because I already had an account and the free tier meant I could run it without thinking about cost. Then I open sourced it, and what people asked for shaped what it became. The desktop app exists because a user on Product Hunt asked for a path that didn't involve a terminal, and she was right to ask.

I still use it every day. Most of the roadmap comes from hitting the limits of my own memory layer.

Which are the primary technologies used for building your product?

TheSecondBrain.dev's answer

  • Cloudflare Workers — runtime
  • Cloudflare D1 — SQLite, entries and relationship graph
  • Cloudflare Vectorize — embeddings and semantic recall
  • Workers AI — embedding generation and synthesis
  • TypeScript
  • Model Context Protocol (MCP) — client integrations
  • Tauri — Mac and Windows desktop app
  • Wrangler + GitHub Actions — deploy and release

Who are some of the biggest customers of your product?

TheSecondBrain.dev's answer

  • People who run Obsidian, Notion and several AI tools side by side
  • Consultants, operators and independent professionals who think out loud with AI all day
  • Writers, researchers and strategists whose best thinking currently lives in chat logs they can't search

User comments

Share your experience with using TheSecondBrain.dev and SAME (Stateless Agent Memory Engine). For example, how are they different and which one is better?

Log in or Post with

Alternatives to TheSecondBrain.dev and SAME (Stateless Agent Memory Engine)

When comparing TheSecondBrain.dev and SAME (Stateless Agent Memory Engine), you can also consider the following products.