AI · alternatives · 2026
24 alternatives to Lumi
Your second brain.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
Organize your entire life with Notion
2023 · pathpages.com · its alternatives →
- 2
SECOND BRAIN 2.0▲111Get organized, get productive with Second Brain 2.0
2023 · oussamaltrx21.gumroad.com · its alternatives →
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Second Brain▲302Hi HN, I'm Dom, a solo founder. I built Second Brain to solve a common issue I had with AI chats: the knowledge disappears. There’s no structure, no memory, and no way to reuse or build on them. So I built a tool that combines AI chat with a visual, interconnected knowledge system. Key features: - Save AI responses into editable docs (Notion-style Pages). - AI Visual board with multiple content & chat nodes (like Miro meets ChatGPT). - Add and chat with YouTubes, TikToks, Audio, PDFs, GitHub repos, Looms, websites, etc. - Organize using Projects and Smart Tags — then chat with full contexts.…
2025 · second-brain-lac-ten.vercel.app · its alternatives →
- 5
The most aesthetic way to build a Second Brain with Notion
2023 · inotion.gumroad.com · its alternatives →
- 6
The simple & minimal life management system
2023 · harshitjain374.gumroad.com · its alternatives →
- 7
Give your team one AI memory. Keep your own private.
Jul 2026 · thesecondbrain.dev · its alternatives →
- 8
Lumi.new▲227Hi HN — we’re the team behind Lumi (lumi.new). Lumi is an all-in-one platform to build and launch websites or lightweight apps simply by chatting—no code needed to write, no external services needed to integrate. We’re a 10+ person team. What’s UNIQUE: ANYWHERE: Multi-country language support out of the box (create & maintain multiple locales in one project) ANYONE: With built-in Database + Sign-In + more internal tools coming soon, anyone can achieve anything without technical stuff being barriers ANYTIME：No waiting list! Works right now to bulid CRM system, e-commerce portal, photo -…
2025 · lumi.new · its alternatives →
- 9
Organise your life with this all in one dashbaord.
2023 · albs.gumroad.com · its alternatives →
- 10
Unlock infinite digital memory with your (AI) second brain
2024 · usefindr.com · its alternatives →
- 11
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Persistent memory for Claude, ChatGPT & Cursor. Free.
May 2026 · github.com · its alternatives →
- 13
Transform Notion into your Second Brain
2024 · notionsecondbrain.com · its alternatives →
- 14
Capture ideas, manage tasks, and organize your life
2025 · its alternatives →
- 15
Second Mind▲103Organize your work & life and make progress on your goals
2023 · processized.gumroad.com · its alternatives →
- 16
Capture & organize everything in Notion.
2022 · notionsecondbrain.com · its alternatives →
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Second Brain▲11Second Brain is a free for creating and sharing content
2024 · 2ndbrain.vercel.app · its alternatives →
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Second Brain▲20Your digital knowledge management system
2025 · secondbrainapp.netlify.app · its alternatives →
- 19
Capture & organize your knowledge in notion
2023 · saidbad.gumroad.com · its alternatives →
- 20
Second Brain – The Ultimate Productivity System
2025 · manalkilljoy.gumroad.com · its alternatives →
- 21
Taking notes was never easier than now
2022 · inotion.gumroad.com · its alternatives →
- 22
Lumi▲2AI companions for your thoughts, moods, and moments.
Sep 2026 · mybrainenergy.com · its alternatives →
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Get your life organized with a second brain (+Automations)
2023 · jaypro1.gumroad.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →