AI Use Cases

Alternatives · Productivity · updated Oct 15, 2026

Obsidian alternatives

Obsidian ranks #1 of 7 for AI notes & second brain with an evidence score of 41/100. Its weak spot: AI features require configuring third-party plugins and API keys yourself. 6 other tools are ranked for the same job (AI notes & second brain); 0 score higher, 4 can be used free and 0 are open source. Same public signals as the ranking, recomputed nightly — nothing here is sponsored. Read the Obsidian review.

All 6 alternatives, ranked

evidence / 100
1
Granola Free tier
A notepad that listens to your meeting from your computer audio (no bot) and merges your typed notes with an AI transcript.

+ No bot joins the call, and the final notes combine your own jottings with what was actually said.
− Desktop-only capture means it cannot record a meeting you join from another device, and the free tier is a small trial.

Individual $18/momacwindowsios
30▲ 22
evidence / 100
2
Reflect Paid
An end-to-end encrypted networked notes app with backlinks, calendar sync and a GPT-powered assistant.

+ Fast, encrypted, and the AI can run custom prompts over your notes and voice transcriptions.
− No Windows or Android app and no free plan.

$10/mo billed annuallymaciosweb
26▲ 19
evidence / 100
3
NotebookLM Free tier
A grounded research notebook that answers only from the sources you upload and can turn them into Audio Overview podcasts.

+ Answers are grounded strictly in your uploaded PDFs, Docs, URLs and YouTube videos with citations, and Audio Overviews turn them into a two-host podcast.
− Sources are capped per notebook and the free tier limits daily queries and audio generations.

Free; NotebookLM Plus via Google AI Pro $19.99/mowebiosandroid
17▲ 16
evidence / 100
4
Notion AI Free tier
AI built into Notion that writes, summarizes, autofills database properties and answers questions across your workspace and connected tools.

+ Q&A searches your whole Notion workspace plus Slack and Google Drive, and AI autofill keeps database summaries current.
− Since 2025 the full AI is bundled only into the Business tier, which is a steep jump for small teams.

Included in Business plan $20/user/mo (annual)webmacwindowsiosandroid
11▲ 2
evidence / 100
5
Glasp Free tier
A social web highlighter with AI summaries of articles and YouTube videos that feeds your highlights into a personal knowledge base.

+ One-click YouTube transcript and summary plus highlight export to Notion, Obsidian and Readwise.
− The social feed and public highlights by default are not what everyone wants, and the AI features feel bolted on.

webchrome-extensionios
10▲ 1
evidence / 100
6
Mem Paid
A self-organizing notes app that uses AI to surface related notes and answer questions from everything you have saved.

+ No folders or tags: related notes appear automatically and Mem Chat answers from your own knowledge base.
− Several major rewrites have changed the product and broken workflows for long-time users.

webmacios
3—
evidence / 100

Why switch?

Granola instead of Obsidian

No bot joins the call, and the final notes combine your own jottings with what was actually said.

Reflect instead of Obsidian if

  • you need it on web

NotebookLM instead of Obsidian if

  • you need it on web

Free alternatives to Obsidian

4 of 6

Where Obsidian ranks

Head to head: Obsidian vs Granola Obsidian vs Reflect