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AI · alternatives · 2026

24 alternatives to Seekstone

Give Claude your Obsidian vault — without the context tax

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

  1. 1

    A few months ago I noticed that I was quickly approaching my 10GB sync limit for my daily driver vault. I considered deprecating some of the heavier files and images, but I was worried how it would affect the integrity of my vault. Instead, I took the opportunity to think to myself -- what would the perfect vault look like? I began to write down some of the key philosophies and strategies I use in my driver vault which led to indispensable plugins, which led to more indispensable philosophies and on and on it went. I've chronicled these results into a fully working vault template that…

    2022 · github.com · its alternatives →

  2. 2OS

    https://github.com/acheong08/obsidian-sync Hello HN, I'm a recent high school graduate and can't afford $8 per month for the official sync service, so I tried my hand at replicating the server. It's still missing a few features, such as file recovery and history, but the basic sync is working. To the creators of Obsidian.md: I'm probably violating the TOS, and I'm sorry. I'll take down the repository if asked. It's not ready for production and is highly inefficient; Not competition, so I hope you'll be lenient.

    2023 · its alternatives →

  3. 3

    I was looking around for an MCP server that could connect Anna's Archive to Claude Desktop, as I wanted to be able to search and download books directly through the interface. I couldn't find any public implementations, so ended up building one myself. What it does? - It searches Anna's Archive by keywords. - It downloads books from search results. - It works directly in Claude Desktop through MCP. Check out the repository's README for detailed installation and configuration instructions. The code is fully open source and builds run on GitHub Actions for transparency. I figured I'd share,…

    2025 · github.com · its alternatives →

  4. 4
    Calderafree▲197

    Your Obsidian vault as a living profile and linked garden

    11d ago · caldera.social · its alternatives →

  5. 5

    SeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust. - SeekStorm/SeekStorm

    2024 · github.com · its alternatives →

  6. 6

    Create, backtest, and execute trades directly in Claude.

    2025 · github.com · its alternatives →

  7. 7
    Glint▲107

    Claude Code activity, right where you want it.

    Jun 2026 · glint.binarybeam.net · its alternatives →

  8. 8

    Infisical is the open-source platform for secrets, certificates, and privileged access management. - infisical/README.md at main · Infisical/infisical

    2024 · github.com · its alternatives →

  9. 9

    Let AI navigate your Obsidian vault as a GRAPH, not files

    Jul 2026 · github.com · its alternatives →

  10. 10

    A Starter Kit to Manage Your Whole Life

    2023 · start.linkingyourthinking.com · its alternatives →

  11. 11

    Import your Obsidian Vault to Apple Notes

    2025 · obsidiantonotes.com · its alternatives →

  12. 12

    Every MCP tool call dumps raw data into Claude Code's 200K context window. A Playwright snapshot costs 56 KB, 20 GitHub issues cost 59 KB. After 30 minutes, 40% of your context is gone. I built an MCP server that sits between Claude Code and these outputs. It processes them in sandboxes and only returns summaries. 315 KB becomes 5.4 KB. It supports 10 language runtimes, SQLite FTS5 with BM25 ranking for search, and batch execution. Session time before slowdown goes from ~30 min to ~3 hours. MIT licensed, single command install: /plugin marketplace add mksglu/claude-context-mode…

    Feb 2026 · github.com · its alternatives →

  13. 13

    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 · its alternatives →

  14. 14

    Browse, search & track costs across Claude Code sessions

    Apr 2026 · claudoscope.com · its alternatives →

  15. 15
    Synra▲87

    Connect Claude to your database in 60 seconds

    Feb 2026 · mcpserver.design · its alternatives →

  16. 16

    Contribute to fmeringdal/covert development by creating an account on GitHub.

    2023 · github.com · its alternatives →

  17. 17

    Ask Claude Code where your usage went. Token audit, limit diagnosis and usage forensics — built from the session logs already on your machine, nothing leaves it. - kelviq/tare

    Aug 2026 · github.com · its alternatives →

  18. 18
    Glance ▲87

    Real browser for Claude Code Test, Screenshot, Automate

    Mar 2026 · glance.debugbase.io · its alternatives →

  19. 19

    Deno's first native GraphQL caching client and server module

    2020 · github.com · its alternatives →

  20. 20

    All Paths. One Vault.

    2025 · github.com · its alternatives →

  21. 21
    Seeknal▲57

    Data & AI/ML CLI for pipelines and NL queries

    Apr 2026 · seeknal.exe.xyz · its alternatives →

  22. 22

    A lightweight Vault client module written in Go, with no dependencies, that is intuitive and user-friendly - canidam/libvault

    2021 · github.com · its alternatives →

  23. 23

    Local-first MCP mini-vault: let AIs call external APIs without ever seeing your keys. - RachidChabane/mcp-secrets-vault

    2025 · github.com · its alternatives →

  24. 24OS

    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 · 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 →