Sync engine for keeping backend databases in sync with client-side SQLite. Postgres | MongoDB | MySQL | SQL Server | Azure DocumentDB 🐘🌿🐬🛢️«-» 🪶
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Joined May 2023
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- Following787
- Followers2.2K
- Likes1.7K
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We’re doubling down on open source.
Today we're making PowerSync's entire core open source by moving our remaining source-available (FSL) repos to Apache-2.0
Our hypothesis: less legal friction → more adoption → a stronger business → more investment in open source.
Read 👇
PowerSync DevTools are available for Dart/Flutter and Capacitor!
Use them to check your app's local db, check sync state, view data synced, test your Sync Streams, run SQL on your data, etc
Flutter: docs.powersync.com/tools/dev…
Capacitor: docs.powersync.com/tools/dev…
PowerSync DevTools have shipped - inspect your app's live database
Our team couldn't resist memeing a video about this one 😆
releases.powersync.com/annou…
For PowerSync Cloud customers following CVE-2026-118383: all MongoDB Atlas clusters used by PowerSync Cloud have received MongoDB’s emergency patch. No action is required for your instances.
nvd.nist.gov/vuln/detail/cve…
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Self-hosting PowerSync? A new metric on the Prometheus endpoint helps you troubleshoot common sync connection issues without trawling logs:
- Which errors are interrupting sync?
- Why are connection attempts being rejected?
- and more
docs.powersync.com/maintenan…
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A real-world test showed a 9x query performance improvement when using our new Managed Tables 🤯
If you're looking for areas to increase query performance in your app, take a look: releases.powersync.com/annou…
Using Managed Tables makes rows more compact, saving space (and thus, reducing reads while querying!). This is especially relevant for the web, where each page read requires a call from WASM to JS, adding overhead. So users of our Web SDK will most likely see better performance than our internal benchmarks we ran on native platforms.
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These test results were shared with us by OG PowerSync user and YouTuber Brandon Boswell, creator of playlist.day/
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PowerSync retweeted
We’re doubling down on open source.
Today we're making PowerSync's entire core open source by moving our remaining source-available (FSL) repos to Apache-2.0
Our hypothesis: less legal friction → more adoption → a stronger business → more investment in open source.
Read 👇
PowerSync retweeted
Super interesting move by Powersync.
Moving their core from "fair source" to apache2. What's the opposite of a rug pull? They're making the dining room extra cozy and are inviting everyone in!
#opensource
PowerSync retweeted
📵 No network? No problem.
Go offline-first with Azure DocumentDB + PowerSync: apps read/write against local SQLite while Change Streams help sync cloud updates back down. 🔄⚡
Explore the alpha integration 👇 msft.it/6012aaTgg
ALT A digital graphic promoting offline-first apps using Azure DocumentDB and PowerSync. Features a blue cloud, a database icon, and various connected devices like laptops and mobile phones. Text highlights the technologies involved.
PowerSync retweeted
TanStack DB + @powersync_ is goated for mobile apps
SQLite runs anywhere. PowerSync runs anywhere you have SQLite and HTTP.
Such as your conference badge.
For #SelectBadge I turned my conf badge into a multi-player gaming platform backed by @supabase and @powersync_ :)
For this I built:
- Tufty native SQLite MicroPython module
- MicroPython PowerSync SDK
- PSRAM-backed SQLite shadow VFS
Full writeup below ⬇️
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If you’re using our Dart/Flutter SDK, v2.5.0 now includes the PowerSync agent skills. To install them for your coding agent, run `dart run skills@ get` in your project.
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PowerSync retweeted
The data loading and caching story of both ChatGPT and Claude are horrendous
I was really expecting better from trillion dollar companies but when you let AI drive the implementation without proper investment into infrastructure I guess this is doomed to happen
Please use a proper sync engine folks
PowerSync retweeted
Been a big fan of @powersync_ for a long time! Deeply researched alternatives at the time, and have kept a close eye on the space ever since.
I haven't seen anything that does quite as much, while staying relatively unopinionated and open ended.
So much of day to day building comes down to moving data from one place to another, and a sync engine simplifies so much!
2026 is still shaping up to be the year of the sync engine, just like @dexhorthy predicted!
smry.ai represents a new class of web app where the benefits of sync on the web can be aligned with user ownership of data, and easy for agents to build into your app.
let’s talk about sync
ever since watching theo’s videos about t3 chat local sync, I wanted it for smry.ai
but as I worked on it, I realized it’s not a good-to-have, it’s a must-have for a reading assistant, as your reading history needs to load instantly.
also users want to own their data, which they do if it’s cached on their own browser
i evaluated every provider: zero/electric/etc, even built my own shitty one!
but nothing was as good as powersync, which is super cheap, scales like crazy, has a drizzle integration, and has a team with actual support (also everyone else in the space seems to die/get bought)
powersync was the best solution for sync, but really the team was the best part
i’m able to work much faster now that I’m not worried about hand-rolled sync breaking with every change, and with all code written by agents it’s good to have a tool that has the things they need to succeed
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Michael's search for a good sync solution has ended.
smry.ai is now running on @powersync_
read about his journey: powersync.com/blog/how-smry-…