TiddlyWiki
The open source non-linear notebook
TiddlyWiki launched on April 17, 2020 with 292 votes, #65 of 5,003 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 6 years on.
In plain words
TiddlyWiki is an open source web application that helps users capture, organize, and share information in a non-linear format. It functions as a notebook for note-taking, to-do lists, essay outlines, and novel planning, allowing users to record thoughts or build websites. The tool serves writers, students, researchers, and anyone needing flexible information management. It stands out as a free, open source alternative to traditional linear note-taking systems, emphasizing organization of complex information without a rigid structure.
written from the facts on this page · September 2026
From the sources
TiddlyWiki is a free, open source tool for thought to capture, organize, and share complex information. Use it to take notes, keep your to-do list, outline an essay, or plan a novel. Record every thought that crosses your brain, or build a responsive website.
a non-linear personal web notebook
It looks like this browser doesn't run JavaScript . You can use one of these static HTML versions to browse the same content: TiddlyWiki is a rich, interactive tool for manipulating complex data with structure that doesn't easily fit into conventional tools like spreadsheets or wordprocessors. TiddlyWiki is designed to fit around your brain, helping you deal with the things that won't fit. The fundamental idea is that information is more useful and reusable if we cut it up into the smallest semantically meaningful chunks – tiddlers – and give them titles so that they can be structured with links , tags , lists and macros . Tiddlers use a WikiText notation that concisely represents a wide…from tiddlywiki.com
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