TiddlyWiki
A whole notebook inside one HTML file that you own forever.
Instead of Notion, OneNote
Screenshot from tiddlywiki.com, taken 2026-10-23, shown to help you recognise the tool. It belongs to its maker. Ask us to remove it.
TiddlyWiki is a wiki that lives in a single HTML file you open in any browser, so your notes never depend on a company. It has been maintained since 2004 and is open source.
It looks unusual and takes some getting used to, and saving the file takes a little extra effort in some browsers, so Delivery is a 3.
- A whole notebook in a single HTML file
- Maintained since 2004
- Unusual to learn
What stands out
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For comparison, we also reviewed Microsoft Word (15/30) as a benchmark.
Other tools for “keep my own notes and documents”
JoplinOpen-source notes with sync through whichever service you choose.
ObsidianA notes app that works on a plain folder of Markdown files.- NotesnookNotes that are encrypted before they leave your device.
CryptPadAn encrypted office suite for writing, spreadsheets and slides together.
LogseqAn outliner for notes and daily journals, stored as plain files on your computer.