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HyperFrontend
Compose any web app, however old, without a rewrite
HyperFrontend lets teams compose independently deployed web apps, even across frameworks and eras, without forcing a shared build or rewrite. Each feature stays isolated in its own browsing context and communicates through typed, validated contracts with lifecycle supervision and optional encryption. It works at build time or runtime, is MIT licensed, and ships with zero runtime dependencies.
HyperFrontend started from a problem I kept running into with large frontend systems.
Teams want to work independently, but the moment their applications need to live together, they get pulled back into shared frameworks, coordinated upgrades, shared builds, and release schedules.
I tried the usual approaches. They work well when everyone can agree on the same assumptions. They become much harder when you have old applications, different stacks, separate teams, and software that cannot simply be rewritten.
Eventually I went back to a much simpler boundary: the browser itself.
HyperFrontend keeps each application as its own application, with its own deployment and technology choices. The host composes it and communicates through typed contracts, with lifecycle supervision, isolation, and optional encrypted messaging.
A lot of the work since then has gone into the less glamorous parts: failure handling, security, tooling, compatibility, documentation, and proving the architecture through live demos.
I’m putting it out there because I want to see how it holds up against real systems and real constraints. If you have an old frontend, mixed frameworks, independent teams, or a rewrite you really do not want to do, I’d be particularly interested in what you make of it.
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About HyperFrontend on Product Hunt
“Compose any web app, however old, without a rewrite”
HyperFrontend was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #153 on the daily leaderboard. HyperFrontend lets teams compose independently deployed web apps, even across frameworks and eras, without forcing a shared build or rewrite. Each feature stays isolated in its own browsing context and communicates through typed, validated contracts with lifecycle supervision and optional encryption. It works at build time or runtime, is MIT licensed, and ships with zero runtime dependencies.
HyperFrontend was featured in Open Source (68.9k followers), Software Engineering (43.1k followers), Developer Tools (520.4k followers) and GitHub (41.4k followers) on Product Hunt. Together, these topics include over 140k products, making this a competitive space to launch in.
Who hunted HyperFrontend?
HyperFrontend was hunted by Andrew Redican. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Andrew Redican