vaxine
examples
| vaxine | examples | |
|---|---|---|
| 2 | 1 | |
| 109 | 28 | |
| 0.0% | - | |
| 10.0 | 3.5 | |
| about 1 year ago | 8 months ago | |
| Erlang | JavaScript | |
| Apache License 2.0 | Apache License 2.0 |
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vaxine
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Show HN: ElectricSQL, Postgres to SQLite active-active sync for local-first apps
Hi HN, James, Valter, Sam and the team from ElectricSQL here.
We're really excited to be sharing ElectricSQL with you today. It's an open source, local-first sync layer that can be used to build reactive, realtime, offline-capable apps directly on Postgres with two way active-active sync to SQLite (including with WASM in the browser).
Electric comprises a sync layer (built with Elixir) placed in front of your Postgres database and a type safe client that allows you to bidirectionally sync data from your Postgres to local SQLite databases. This sync is CRDT-based, resilient to conflicting edits from multiple nodes at the same time, and works after being offline for extended periods.
Some good links to get started:
- website: https://electric-sql.com
- docs: https://electric-sql.com/docs
- code: https://github.com/electric-sql/electric
- introducing post: https://electric-sql.com/blog/2023/09/20/introducing-electri...
You can also see some demo applications:
- Linear clone: https://linear-lite.electric-sql.com
- Realtime demo: https://electric-sql.com/docs/intro/multi-user
- Conflict-free offline: https://electric-sql.com/docs/intro/offline
The Electric team actually includes two of the inventors of CRDTs, Marc Shapiro and Nuno Preguiça, and a number of their collaborators who've pioneered a lot of tech underpinning local-first software. We are privileged to be building on their research and delighted to be surfacing so much work in a product you can now try out.
- SQLite WASM Official
examples
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SQLite WASM Official
Yup, open source (https://github.com/electric-sql) + managed replication-as-service. Some of our service code (eg: infra, control plane) is proprietary.
Download size depends on the driver (we support different SQLite drivers for different environments). The web is quite heavy as it loads the SQL.js WASM (as a separate file, it’s not bundled). I want to say ~350-400kb total but I need to check and it depends a bit on how you build/bundle and serve it.
One approach would be to look at the network tab of the browser console when running the web example: https://github.com/electric-sql/examples
What are some alternatives?
electric - Local-first sync layer for web and mobile apps. Build reactive, realtime, local-first apps directly on Postgres.
wasm_sqlite_with_stats - Documentation and demonstration of how to build WASM versions of SQLite with extensions embedded
evolu - Local-first platform designed for privacy, ease of use, and no vendor lock-in
cr-sqlite - Convergent, Replicated SQLite. Multi-writer and CRDT support for SQLite
kikko - Powerful SQLite adapter for web, mobile and desktop. Build reactive UI on top of it
wasi-sqlite - sqlite3 CLI for a-Shell on iOS
electric_dart - A Dart implementation for Electric (electric-sql.com).
datasette-lite - Datasette running in your browser using WebAssembly and Pyodide