Life & fun · alternatives · 2026
24 alternatives to BrowserSync
Keep multiple browsers & devices in sync when building sites
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. BrowserSync launched in 2014; newer entries below may have overtaken it.
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Stash▲140Syncs your fav links across multiple browsers & accounts
2023 · rafaelgandi.notion.site · its alternatives →
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Two browser windows (acting as socket clients) communicate their: - Screen dimensions - (screen.width, screen.height) - Window dimensions - (window.innerWidth, window.innerHeight) - Window X/Y position - (window.screenX, window.screenY) ...or whichever calculation works best for you. The original work by Bjorn Staal https://twitter.com/_nonfigurativ_/status/172732259457002734 used localStorage, but I found sockets more fun, because if tweaked a bit, this can be shared with friends. Here's a demo of how it works and the codebase:…
2023 · github.com · its alternatives →
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Desktop-like draggable, resizable browser windows for iOS
2023 · multiwindowbrowser.vercel.app · its alternatives →
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Multiple.js▲147Sharing background across multiple elements using CSS
2016 · multiple.js.org · its alternatives →
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SyncVariables▲145Keep your website current – no coding required
2024 · syncvariables.com · its alternatives →
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Am I Responsive▲108see your website in multiple screen resolutions
2014 · fireship.dev · its alternatives →
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across-tabs▲90Easily communicate among browser tabs
2017 · engineering.wingify.com · its alternatives →
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See how a webpage renders across many browsers & devices
2018 · chromewebstore.google.com · its alternatives →
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Exploit chrome's profile sync for free cloud storage - velzie/bookmarkfs
2022 · github.com · its alternatives →
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Hey HN! Wanted to share a new library and server I've recently been working on called remoteStorage. When building frontends with Javascript, the native localStorage API is super useful for keeping track of state between sessions in the same browser, but it's not as good a solution when your data needs to be shared across multiple devices or browsers. For instance, let's say you want to show a welcome modal to all new users that sign up for your product. If you use localStorage to track if a user has already seen this modal, your users will end up getting the experience repeatedly every time…
2024 · github.com · its alternatives →
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SessionBox▲12Use one browser with multiple active sessions per site
2016 · sessionbox.io · its alternatives →
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Signage Sync▲11Hi guys, I'm sharing something I've been tinkering on for a while: https://signagesync.app/ Like Google Chromecast, but "cast" to multiple screens at once. Create a playlist of auto-refreshing web pages, videos, and even live streams (but not supported on Windows). Also works with local network, e.g. http://192.168.../sales-dashboard It's still early (MVP), but already usable—and I'd love to hear your feedback. Tech stack: SvelteKit, WebSocket, Flutter (desktop)
2025 · signagesync.app · its alternatives →
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Hey HN! We do a lot of frontend testing, and one thing we find frustrating is the limited tooling available to observe how a URL renders on different viewports/devices simultaneously. For example, we can use Chrome Inspector's "Device" previews, but we run into the following: - Chrome doesn't keep those devices/viewports up to date, and adding new ones is pretty annoying (we've open sourced our collection of 180+ viewports/dimensions under MIT). - You can’t see multiple viewports at once (and it’s cumbersome switching back and forth) - When you notice a problem, there's no…
2024 · viewport-tester.com · 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 →