AI · alternatives · 2026

24 alternatives to Quivr - Second Brain

A generative AI powered 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. Quivr - Second Brain launched in 2023; newer entries below may have overtaken it.

1
Second Brain▲281
Hi 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 →
2
Vortn▲164
Your Company's AI Second Brain
2025 · vortn.com · its alternatives →
3
SECOND BRAIN 2.0▲111
Get organized, get productive with Second Brain 2.0
2023 · oussamaltrx21.gumroad.com · its alternatives →
4
Second Brain for AI▲286
Persistent memory for Claude, ChatGPT & Cursor. Free.
May 2026 · github.com · its alternatives →
5
Layer ▲998
Brain-Inspired planner
2024 · its alternatives →
6
Modus AI▲55
An AI-native second brain for creators
2025 · modusai.app · its alternatives →
7
Findr: remember everything▲434
Unlock infinite digital memory with your (AI) second brain
2024 · usefindr.com · its alternatives →
8
Eve.▲112
AI powered second brain for Notion
2023 · notesbyhugh.gumroad.com · its alternatives →
9
Notion Second Brain▲396
Organize your entire life with Notion
2023 · pathpages.com · its alternatives →
10
Second Brain▲20
Your digital knowledge management system
2025 · secondbrainapp.netlify.app · its alternatives →
11
2V ✌️▲67
An AI-guided tour of your mind
2023 · 2v.ai · its alternatives →
12
Brain2Qwerty v2▲137
Decode sentences directly from non-invasive brain signals
Jun 2026 · ai.meta.com · its alternatives →
13
Second Brain Notion Template▲74
The simple & minimal life management system
2023 · harshitjain374.gumroad.com · its alternatives →
14
Supreme Second Brain▲109
The most aesthetic way to build a Second Brain with Notion
2023 · inotion.gumroad.com · its alternatives →
15
myReach▲285
Your second brain, powered by AI – ChatGPT for your things
2023 · myreach.io · its alternatives →
16
Chatable▲107
AI coaching models, the second brain of successful people
2023 · its alternatives →
17
Second Brain AI Beta▲8
An AI-powered studying hub that covers all studying needs.
2025 · secondbrain-ai.com · its alternatives →
18
AirJelly▲105
Your Proactive, Self-Organizing Second Brain
Apr 2026 · airjelly.ai · its alternatives →
19
Neuron▲187
A personal AI in every home.
2024 · eternalai.org · its alternatives →
20
Supreme Second Brain▲90
Harmonize your life: Notion's supreme para playbook
2023 · efficiora.gumroad.com · its alternatives →
21
Second Brain Labs▲97
Automate your sales, survey & support at scale, using AGI
2024 · sbl.so · its alternatives →
22
Second Brain Notion template▲25
Get your life organized with a second brain (+Automations)
2023 · jaypro1.gumroad.com · its alternatives →
23
Notion Ultimate Second Brain▲75
Capture & organize your knowledge in notion
2023 · saidbad.gumroad.com · its alternatives →
24
Second Brain for Notion▲14
Transform Notion into your Second Brain
2024 · notionsecondbrain.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 →