Dev tools · alternatives · 2026
24 alternatives to C4 model sticky notes
Stickies for collaborating on your system designs with C4
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. C4 model sticky notes launched in 2023; newer entries below may have overtaken it.
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Just stick-it - made for people who love sticky notes
2023 · its alternatives →
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Show your work. Paste is a new presentation tool for Slack.
2017 · its alternatives →
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I made a browser extension that lets you leave notes on websites. Some features: search by content, add tags, sync, export/import
2022 · lawrencehook.com · its alternatives →
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Browser Notes▲128Your ideas, organized - not uploaded
Jul 2026 · browsernotes.xyz · 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 →