Dev tools · alternatives · 2026

24 alternatives to Brain2Qwerty v2

Decode sentences directly from non-invasive brain signals

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Second Brain for AI▲286
Persistent memory for Claude, ChatGPT & Cursor. Free.
May 2026 · github.com · its alternatives →
2
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 →
3
Typing Mind▲826
Chat with AI using your API keys. Pay only for what you use. ChatGPT, Gemini, Claude, and other LLMs supported. The best chat LLM frontend UI for all AI models.
2023 · typingmind.com · its alternatives →
4
myReach▲285
Your second brain, powered by AI – ChatGPT for your things
2023 · myreach.io · its alternatives →
5
SECOND BRAIN 2.0▲111
Get organized, get productive with Second Brain 2.0
2023 · oussamaltrx21.gumroad.com · its alternatives →
6
2-b.ai▲416
Todoist meets ChatGPT inside your browser
Jan 2026 · 2-b.ai · its alternatives →
7
Quivr - Second Brain▲150
A generative AI powered second brain
2023 · its alternatives →
8
Chatable▲107
AI coaching models, the second brain of successful people
2023 · its alternatives →
9
MindReader v1▲136
Read minds (simulated fMRI data, channeled to neuro-metrics)
Jun 2026 · mindreaderai.vercel.app · its alternatives →
10
Supreme Second Brain▲77
Taking notes was never easier than now
2022 · inotion.gumroad.com · its alternatives →
11
Deepgram Brain▲98
Drag and drop speech transcript editor that learns from you
2017 · deepgram.com · its alternatives →
12
BrainFlow▲80
Uniform SDK to work with biosensors and neurointerfaces
2021 · github.com · its alternatives →
13
FuzzyFlo▲115
Chatting with AI sucks - try mind mapping with AI
2024 · its alternatives →
14
AirJelly▲105
Your Proactive, Self-Organizing Second Brain
Apr 2026 · airjelly.ai · its alternatives →
15
TruBrain▲130
Access your brain's full potential with nootropics
2015 · trubrain.com · its alternatives →
16
Second Brain▲20
Your digital knowledge management system
2025 · secondbrainapp.netlify.app · its alternatives →
17
LFM2-Audio▲125
Real-time audio conversations on-device
2025 · liquid.ai · its alternatives →
18
Arduino▲111
Dual-brain edge AI computer by Qualcomm and Arduino
2014 · arduino.cc · its alternatives →
19
ArcaneVM – A Fully Homomorphic Encryption Brainfuck Virtual Machine▲131
A Fully Homomorphic Encryption Brainfuck virtual machine - f-prime/arcanevm
2019 · github.com · its alternatives →
20
Recode Decode - Donna Dubinsky and Jeff Hawkins, co-founders, Numenta▲64
Let's reverse-engineer the brain
2016 · recode.net · its alternatives →
21
VQ▲60
Low level sentimental analysis to test your mind and brain
2022 · vq.itsvg.in · its alternatives →
22
SuperBrain▲77
Self-hosted, AI-powered second brain for Android
Apr 2026 · github.com · its alternatives →
23
Second Brain Labs▲97
Automate your sales, survey & support at scale, using AGI
2024 · sbl.so · its alternatives →
24
Digital Brain x Lokki▲75
Maximize your brain power with Digital Brain
2023 · lokki.framer.website · 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 →