nowfound

Life & fun · May 9, 2012

Simperium, a realtime data layer

Simperium is a cross-platform data sync service.

Simperium, a realtime data layer launched on May 9, 2012 with 208 votes, #3 of 435 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 14 years on.

Visit simperium.com ↗Alternativestop 1% of May 2012

In plain words

Simperium is a cross-platform data sync service that keeps application data synchronized across devices in real time. It handles data storage and synchronization for apps and services, ensuring information stays current wherever it's needed. The service supports millions of users managing personal information through applications like Simplenote, making it suitable for developers building multi-device applications that require reliable data consistency.

written from the facts on this page · September 2026

From the sources

More than a million users trust their valuable personal information to Simplenote — and trust Simperium to keep their data fresh. Tryfrom simperium.com

Does a similar job

all alternatives →
  • Simperium2014 · simperium.com · ▲93

    Service for developers to move data everywhere it's needed

  • Simpl.Jan 2026 · simpl.sh · ▲330

    A pleasant Postgres browser for working with real data

  • Polytomic2022 · polytomic.com · ▲224

    The one platform to sync any data anywhere

  • I made a web-based notepad with a built in unit calculator2022 · numpad.io · ▲488

    I launched NumPad v1 on here a few years ago, and back then it wasn't much more than a thin CodeMirror wrapper around the calculator engine I'd written. Now I've rewritten it as a PWA that supports multiple documents, persists them to IndexedDB, and has a syncing service for paying customers. Syncing is handled by Automerge[1] under the hood, which should make it relatively easy to get document sharing working too. [1] https://automerge.org/

  • Coupler.io2021 · coupler.io · ▲150

    Sync apps with Google Sheets on schedule, no coding required

  • MD
    Multiplayer Demo Built with Elixir2022 · multiplayer.dev · ▲221

    Hey HN, I’m an engineer at Supabase [0] and one of the creators of this demo. My team and I have been working hard to bring developers the next version of Supabase Realtime. The current version of Realtime [1] is a Change Data Capture (CDC) server for a PostgreSQL database that broadcasts changes via WebSockets to authorized subscribers. It’s written in Elixir/Phoenix. The server utilizes PostgreSQL’s logical replication functionality, which writes database changes to Write-Ahead Logging (WAL) segment files, and a replication slot, responsible for managing and retaining WAL files.…

More life & fun this month

the category →

Source: Show HN post ↗

Launched alongside, May 2012

the whole month →