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Nummi is the thinking layer your brain’s been missing.

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120 free browser-based developer utilities. No sign-up required.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | app.nummi.ai | devtoolstack.io |
| Pricing | ||
| Company | Startup from the United States · 10 - 19 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Nummi is your AI co-pilot for thinking, writing, and deciding. It remembers everything, connects the dots, and helps you move faster with clarity. Built for founders, operators, and people who live in messy docs and scattered thoughts. One place to think, remember, and plan — like having your...
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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
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Walkthroughs and reviews on video.
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As answered by people managing Nummi and DeveloperToolStack.
Nummi's answer
Nummi is built for founders, operators, and decision-makers who think deeply and move fast. If you live in Notion, Slack, docs, and strategy decks — and want an AI tool that keeps up with your mind — Nummi is for you.
Nummi's answer
Nummi combines persistent memory, multi-model orchestration, and workflow intelligence in a single AI layer. It doesn't just respond — it remembers, reasons, and evolves with you, making it feel more like a thinking partner than a chatbot.
Nummi's answer
Nummi was born out of frustration with fragmented thinking tools and short-term memory chatbots. We wanted an interface that could remember past work, evolve with context, and actually support high-stakes thinking — not just generate generic responses. So we built it.
Nummi's answer
Nummi is built using Next.js, TypeScript, PostgreSQL, and a mix of OpenAI, Anthropic, and open-source LLMs. The backend leverages vector databases and embeddings for memory, with a custom multi-agent orchestration layer for intelligence.
Nummi's answer
Nummi is currently working with early-stage founders, startup teams, and operators across the U.S. and India. We’re selectively onboarding power users who are building fast, thinking deeply, and helping us shape the product. Full case studies coming soon.
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