1
Also covers browser extension, dark mode, and open source · same kind of open-source project
Doqment combines the Mozilla HTML5 PDF viewer with an add-on for reader mode.
Alternatives
The Best Circadian Alternatives in 2026
24 alternatives0 free · 20 open source
Looking for something like Circadian? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 20 are open source.
Tint webpage colors by time of day with Circadian, a browser extension offering daytime, sunset, and bedtime settings.
Top picks at a glance
First suggestionDoqmentDoqment combines the Mozilla HTML5 PDF viewer with an…Another optionTurn Off the LightsDarken websites or dim video backgrounds with Turn Off the…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Doqment | — | Yes | — |
| 2 | Turn Off the Lights | — | Not stated | Browser extension, iOS, Web |
| 3 | Dark Reader | — | Not stated | Browser extension, iOS, Web |
| 4 | Custom Dark Mode | — | Not stated | Browser extension, Web |
| 5 | Read Aloud | — | Yes | Browser extension |
| 6 | hexagonTab | — | Yes | — |
| 7 | Peek | — | Yes | Browser extension |
| 8 | Userscript-Plus | — | Yes | — |
| 9 | Anori | — | Not stated | Browser extension, Web |
| 10 | Open-Multiple-URLs | — | Yes | Browser extension |
All Circadian alternatives
2
Turn Off the Lights
turnoffthelights.comAlso covers browser extension, dark mode, and ios
Darken websites or dim video backgrounds with Turn Off the Lights, an open-source browser extension.
3
Dark Reader
darkreader.orgAlso covers browser extension, dark mode, and ios
Dark Reader adds adjustable dark mode to websites across Chrome, Firefox, Safari, and Edge.
4
Custom Dark Mode
mybrowseraddon.com/custom-dark-mode.htmlAlso covers browser extension and dark mode
Custom Dark Mode applies customized dark styles to webpages through a browser add-on.
5
Also covers browser extension and open source · same kind of open-source project
Read webpage content aloud with Read Aloud, a browser extension described in the repository.
6
Also covers browser extension and open source · same kind of open-source project
hexagonTab provides a customizable start page with hexagon-shaped bookmarks and adjustable colors, layout, and background.
7
Also covers browser extension and open source · same kind of open-source project
Peek previews links to documents, videos, music, and supported services when the pointer hovers over them in a webpage.
8
Also covers browser extension and open source · same kind of open-source project
Userscript-Plus finds available user scripts and user styles for the current webpage, drawing on Greasy Fork according to its project description.
9
Anori
anori.appAlso covers browser extension
Build a custom new-tab page with Anori, a browser extension offering folders, color schemes, and widgets such as tasks, notes, and weather.
10
Also covers browser extension and open source · same kind of open-source project
Open Multiple URLs is a browser extension for opening lists of URLs and extracting URLs from text, with Chrome and Firefox support.
11
Also covers browser extension and open source · same kind of open-source project
Automatically close unused tabs with Tab Wrangler, a browser extension intended to keep attention on the tabs currently in use.
12
Also covers browser extension and open source · same kind of open-source project
Mue provides a customizable new-tab page through a browser extension, with widgets such as weather, notes, and bookmarks.
13
Also covers browser extension and open source · same kind of open-source project
Material icons for web browsers are provided by this browser extension for GitHub.
14
Also covers browser extension and open source · same kind of open-source project
Refined GitHub is a browser extension that simplifies GitHub’s interface and adds features.
15
Also covers browser extension and open source · same kind of open-source project
Restyle websites with CSS themes using Stylus, a browser extension listing compatibility with Chrome, Firefox, and Chromium-based browsers.
16
Also covers browser extension and open source · same kind of open-source project
Allow Right Click re-enables context menus, copying, pasting, and text selection on sites that block those actions, through a browser extension.
17
Also covers browser extension and open source · same kind of open-source project
ScriptCat provides a browser extension and userscript manager for customizing web pages, removing ads, and automating tasks.
18
Also covers browser extension and open source · same kind of open-source project
Clipboard2File is a browser extension for using images on the clipboard as files.
19
Also covers browser extension and open source · same kind of open-source project
Manage browser tabs with Prune, an extension listed for Chrome, Firefox, and Safari.
20
Also covers browser extension and open source · same kind of open-source project
The Quick Copy browser extension helps users copy text from webpages, with the project page linking to its Chrome listing.
21
Also covers browser extension and open source · same kind of open-source project
This browser extension adds file and folder icons to GitHub pages and Gists.
22
Also covers browser extension and open source · same kind of open-source project
Copycat copies web content and can capture tab titles or links in formats such as plain text; the extension supports Chrome, Edge, and Firefox.
23
Also covers browser extension and open source · same kind of open-source project
FireMonkey combines user-script and user-style management in a browser extension, with help and changelog resources provided by the project.
24
Also covers browser extension, ios, and open source
Change Safari’s default search engine with CSE, a Safari extension distributed through the App Store and AltStore PAL.
No alternatives match this filter.
Alternatives to similar tools
Custom Dark Mode24 alternativesrefined-github24 alternativeshexagonTab24 alternativesgithub-material-icons-extension24 alternativesCopycat24 alternativesPeek24 alternatives
TopicBrowser Extensions · 193 sites Best-of listBest Free Bookmark Managers for Links You Want to Find Again ListingCircadian details
What is the best alternative to Circadian?
Based on features, tags and platforms, the closest alternatives to Circadian are Doqment, Turn Off the Lights, and Dark Reader.
Are there open-source alternatives to Circadian?
Yes: Doqment, Read Aloud, hexagonTab, and Peek.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative