AI · alternatives · 2026

24 alternatives to AnyK: Second Brain Assistant

Your Private 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. AnyK: Second Brain Assistant launched in 2024; 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
Second Brain for AI▲286
Persistent memory for Claude, ChatGPT & Cursor. Free.
May 2026 · github.com · its alternatives →
3
Chatable▲107
AI coaching models, the second brain of successful people
2023 · its alternatives →
4
myReach▲285
Your second brain, powered by AI – ChatGPT for your things
2023 · myreach.io · its alternatives →
5
2-b.ai▲416
Todoist meets ChatGPT inside your browser
Jan 2026 · 2-b.ai · its alternatives →
6
SECOND BRAIN 2.0▲111
Get organized, get productive with Second Brain 2.0
2023 · oussamaltrx21.gumroad.com · its alternatives →
7
Second Brain for Mac and Windows▲247
Give your team one AI memory. Keep your own private.
Jul 2026 · thesecondbrain.dev · its alternatives →
8
Second Brain Labs▲97
Automate your sales, survey & support at scale, using AGI
2024 · sbl.so · its alternatives →
9
TwinMind: AI Second Brain for Mobile▲228
Remember meetings, lectures, or your entire life for free
2025 · twinmind.app · its alternatives →
10
Second Brain Notion Template▲74
The simple & minimal life management system
2023 · harshitjain374.gumroad.com · its alternatives →
11
Eve.▲112
AI powered second brain for Notion
2023 · notesbyhugh.gumroad.com · its alternatives →
12
ScriptMind▲106
Elevate note-taking with AI assistants
2024 · scripmind.com · its alternatives →
13
Vortn▲164
Your Company's AI Second Brain
2025 · vortn.com · its alternatives →
14
Smart Notes by MindPal▲146
The working memory for your AI second brain
2023 · mindpal.space · its alternatives →
15
MindR▲43
Your AI powered second brain on Telegram.
2024 · expireddomains.com · its alternatives →
16
Brain Draft▲79
Productivity-oriented ChatGPT iOS client
2023 · apps.apple.com · its alternatives →
17
Second Brain▲20
Your digital knowledge management system
2025 · secondbrainapp.netlify.app · its alternatives →
18
Supreme Second Brain▲109
The most aesthetic way to build a Second Brain with Notion
2023 · inotion.gumroad.com · its alternatives →
19
Think by Humley▲68
Automate chatbot FAQ creation with generative AI & GPT
2023 · think.humley.com · its alternatives →
20
Second Brain AI Beta▲8
An AI-powered studying hub that covers all studying needs.
2025 · secondbrain-ai.com · its alternatives →
21
DailyBot+ AI▲106
Your AI-powered assistant for modern work powered by ChatGPT
2023 · dailybot.com · its alternatives →
22
Chatmind 3.0▲79
AI Chat-guided mind mapping tool by Xmind
2023 · mapify.so · its alternatives →
23
AI Brain Bank▲75
The ultimate 'chat with your data' app
2023 · aibrainbank.com · its alternatives →
24
Second Intelligence▲75
Extract relevant context of concepts you want to understand
2022 · 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 →