Hacker ApprovedDepartments

OpenKnowledge

Ranked 2 of 13 markdown editors by recommenders

Open-source markdown editor with local files and git sync, seen as an open alternative to Obsidian and Notion; critics say it is macOS-only and team-oriented.

Open-source markdown editor with local files and git sync, seen as an open alternative to Obsidian and Notion; critics say it is macOS-only and team-oriented.

30 people gave an opinion

recommend it
20
criticize it
10
approval share
67%
Each figure is one person. RecommendsCriticizes

Recommended in 2 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: not recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 20 people recommend itNeeds 10 or more, met.
  • 2 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 2 of 13 monthsNeeds 4 or more, not met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Local markdown files in open formats

    “It's exactly what we aimed to solve (files are markdown and local, sync and team sharing happens via git/GitHub but is abstracted away from user).”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “What's good is that everything is pretty open formats/source and complimentary.”

    Comment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “markdown files on your local machine is indeed the way for being AI friendly”

    Comment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”
  • Open alternative to Obsidian

    “Currently its probably just a less good obsidian copilot (but at least its open source)”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “Looks like a really good alternative of obsidian”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”
  • Notion-style editor

    “Our bar was "Notion-grade", i.e. drag and drop blocks, slash commands, select to highlight/bold, etc.”

    Comment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “Editor should already be pretty "Notion-grade", more to do though.”

    Comment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”
  • Wikilinks and backlinks for agents

    “We support wikilinks and forward/backward links are presented to the agent through the MCP server”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “Making the skills/MCP specific to OpenKnowledge allows us to optimize experiences like that.”

    Comment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

What people warn about

Each mark is one comment

  • Little beyond Obsidian or VS Code

    “Currently its probably just a less good obsidian copilot (but at least its open source)”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “it does feel like "yet another KM app" without significant innovations”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “couldn't see how it improves my experience over Obsidian or VS Code”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”
  • Deletes or trashes user files

    “It nuked a substantial portion of the file, unfortunately, not just the comments.”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

    “when I started this, it trashed my Codex config.toml file”

    Comment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

Other markdown editors people recommend

The four most recommended other markdown editors, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

OpenKnowledge compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
SmallDocs21388%6—Approved
OpenKnowledgeThis page201067%2——
Typora19676%7—Approved
Margin Markdown editor15288%3——
iA Writer140100%9—Approved
See all 13 markdown editors, ranked

What people said

40 of the 50 comments that mention it, newest first. Each links to the original comment.

“one killer feature that seems to be missing is Remote SSH support”

MixedComment from 31 Aug 2026 in “Our decision on Cursor following its acquisition by SpaceX”

“Hopefully they add a better in-app chat experience soon.”

MixedComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“We support wikilinks and forward/backward links are presented to the agent through the MCP server”

RecommendsComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Currently its probably just a less good obsidian copilot (but at least its open source)”

MixedComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“This is interesting and a promising start. I gave this a shot.”

MixedComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Looks like a really good alternative of obsidian”

RecommendsComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“it does feel like "yet another KM app" without significant innovations”

MixedComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“It nuked a substantial portion of the file, unfortunately, not just the comments.”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“we embedded the Claude terminal within the OpenKnowledge app itself if you prefer that”

RecommendsComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“It's exactly what we aimed to solve (files are markdown and local, sync and team sharing happens via git/GitHub but is abstracted away from user).”

RecommendsComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“when I started this, it trashed my Codex config.toml file”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“mac only? dead on arrival.”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“haven't seen any issues with it”

RecommendsComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Slow. Open and render tiny md file with 10 lines - 1s”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“they sell on the webpage what they don't have in the app”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“So it's just a Electron editor + "open in %agent" button...”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“this is very interesting and I'll most likely take inspiration from it”

RecommendsComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Electron apps tend to fall down in the minutiae of the little things that native apps get right”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“it's basically a flashy box of randomness”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“couldn't see how it improves my experience over Obsidian or VS Code”

CriticizesComment from 26 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Editor should already be pretty "Notion-grade", more to do though.”

MixedComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Our bar was "Notion-grade", i.e. drag and drop blocks, slash commands, select to highlight/bold, etc.”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“couldn't this have been a plugin?”

CriticizesComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“it said the equivalent of "skill too large, reading it in chunks"”

MixedComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Its a plug-ins folder... add it in and boom you are ready to go”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“tied to proprietary AI services”

CriticizesComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“may be worth a look at our implementation in case transferable to yours”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“The skills are large, I'd prefer not filling up context.”

MixedComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“This seems to be team-oriented rather than geared towards individuals who might want to edit their notes from multiple devices”

MixedComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“That was our exact stated goal -- felt a lot of the same pain.”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Seems like this might almost offer exactly that?”

MixedComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“markdown files on your local machine is indeed the way for being AI friendly”

MixedComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Making the skills/MCP specific to OpenKnowledge allows us to optimize experiences like that.”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Took a while to see that 'ok' is the name of your product.”

CriticizesComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“What's good is that everything is pretty open formats/source and complimentary.”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“this looks like a nice way to work with them”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“the usefulness of this is limited with OSX being the only supported platform”

MixedComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“We tested it and works pretty well.”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“Recommend trying it to get a feel”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

“We’re launching OpenKnowledge, a “what you see is what you get” markdown editor”

RecommendsComment from 25 Jun 2026 in “Show HN: OpenKnowledge – open-source alternative to Obsidian/Notion”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.