Alternatives
Products that do what Second Brain Joiner (Android) does
Merge Obsidian notes to AI in seconds. Now on Android! 🚀
- 1
The ultimate AI & PDF toolkit for Obsidian on iOS.
Mar 2026 · apps.apple.com
- 2
Second Brain for AIâ–²286Persistent memory for Claude, ChatGPT & Cursor. Free.
May 2026 · github.com
- 3OF
2021 · obsidian.md
- 4RA
Reor is an open-source AI note-taking app that runs models locally. The four main things to know are: 1. Notes are connected automatically with vector search. You can do semantic search + related notes are automatically connected. 2. You can do RAG Q&A on your notes using the local LLM of your choice. 3. Embedding model, LLM, vector db and files are all run or stored locally. 4. Point it to a directory of markdown files (like an Obsidian vault) and it works seamlessly alongside Obsidian. Under the hood, Reor uses Llama.cpp (node-llama-cpp integration), Transformers.js and Lancedb to power…
2024 · github.com
- 5
Second Brainâ–²302The second brain that writes itself and build your tools
2025 · second-brain-lac-ten.vercel.app
- 6
- 7
- 8
- 9
- 10
- 11
- 12OT
2023 · github.com
- 13
Remember meetings, lectures, or your entire life for free
2025
- 14
Your AI memory, everywhere you work
Jul 2026 · thesecondbrain.dev
- 15UC
2023 · github.com
- 16OS
My Public Second Brain (https://brain.sspaeti.com) is built with the help of a wonderful tool called Quartz (https://brain.sspaeti.com/quartz-publish-obsidian-vault/). Obsidian (https://brain.sspaeti.com/obsidian/) has become my favorite for note-takers, given its flexible and linked structure that closely mirrors our natural way of thinking. With Quartz, I was able to seamlessly publish my Obsidian notes to a public vault, providing the groundwork for my Public Second Brain. The journey of making this possible involved some scripting as…
2023
- 17
- 18
- 19
Ready-to-use Markdown knowledge base for AI agent & Obsidian
Jun 2026 · payhip.com
- 20AA
2023 · github.com
- 21HA
hi my name is sean dorje (yc x25). i built harmony because our team's been running on discord for years and we've been dying for something like this so we can finally track our meeting notes/action items. if your team runs on discord, please feel free to try it out! it's free to use forever :)
Jan 2026 · harmonynotetaker.ai
- 22IB
Hello everyone! I'm excited to announce the launch of Astrocyte, a web app that allows you to create and interact with 3D AI characters. Whether it's video game heroes, anime characters, political figures, or even that obscure NPC from your favorite RPG, you can bring them to life and have a chat with them on Astrocyte! Many users have already begun crafting their own characters on Astrocyte, and the conversations have been incredibly entertaining. I would be thrilled if you could give it a try and share your honest feedback. Thank you!
2023 · heyastrocyte.com
- 23CM
Here's something I realized: the most AI-native knowledge base isn't a SaaS product with an API. It's a folder of markdown files on your disk. Obsidian stores everything as plain .md files. That means Claude Code (or any AI tool) can grep, read, write, and traverse your entire knowledge base with zero setup. No API keys. No OAuth. No middleware. Just local file I/O. The only missing piece was sync. I wanted my vault on iPhone (iCloud), on Mac (local), and on GitHub (backup + version history) — without paying $4/mo for Obsidian Sync. cc-md is ~400 lines of bash. iCloud handles Apple…
Feb 2026 · github.com
- 24
Ranked by how close each launch is in meaning, then by votes. Refine with a description →