Show HN: Realtime sync engine without any new infra
Tandem is an open-source sync engine and client-side database that plugs into your existing infrastructure. Add the Tandem library to sync data in real time across your clients and server, without deploying any new services.
I started work on Tandem 6 years ago as a side project. I was frustrated by the sync engine landscape at the time, thinking I could build a better DX and require less lock-in. Even now, sync engine companies and “full-stack databases” need you to migrate to their database or provision a separate service with auth, networking, etc. This makes them annoying to maintain and also harder to adopt incrementally.
Tandem is designed to just be embedded into your existing frontend and backend code. You define a schema, set up a database adapter (any SQL-like database is supported), add the new sync endpoint to your existing API, and then you're good to go.
Tandem uses DST (Deterministic Simulation Testing) on every PR and nightly to ensure correctness. Our DST system Gatekeeper lets us model not only storage and network failures, but also race conditions, by gating each call between client/server/other services independently.
Tandem currently supports any React-based frontend, any serverful backend (like Cloudflare Durable Objects), and any SQL-like database. New adapters are easy to build, and PRs and issues are appreciated!
Open-source and MIT licensed: tanishqkancharla/tandem
1 point
Tandem is early (APIs will still change) and MIT licensed.
Try the quickstart, break it, and tell me what you find.
tanishqkancharla/tandem t.co
2 likes · 34 views
@FelippeRegazio Cara nao sei a quem possa interessar isso mas como revisar codigo é impossivel agora eu tenho testado essa skill e tem me dado otimos resultados tanishqkancharla/diffmap
18 likes · 2 reposts · 694 views
This is pretty cool. maybe something that graphlin can build on as well royosherove/graphlin
2 likes · 260 views
if you're interested in a cloud hosting solution so you can securely share diffmaps with your team, please upvote this issue: diffmap#32 t.co
1 like · 250 views
introducing diffmap: a new document format for planning and reviewing agent code.
The idea behind diffmap is letting you review the important design changes, not massive line diffs.
"Write a diffmap spec for the changes on this branch. Use tanishqkancharla/diffmap"
I've been working and iterating on this skill for more than 2 months! I use it every day for any big feature or refactor. Excited to finally make it public
69 likes · 3 reposts · 2,561 views
Mentions
Show HN: Realtime sync engine without any new infra Tandem is an open-source sync engine and client-side database that plugs into your existing infrastructure. Add the Tandem library to sync data in real time across your clients and server, without deploying any new services. I started work on Tandem 6 years ago as a side project. I was frustrated by the sync engine landscape at the time, thinking I could build a better DX and require less lock-in. Even now, sync engine companies and “full-stack databases” need you to migrate to their database or provision a separate service with auth, networking, etc. This makes them annoying to maintain and also harder to adopt incrementally. Tandem is designed to just be embedded into your existing frontend and backend code. You define a schema, set up a database adapter (any SQL-like database is supported), add the new sync endpoint to your existing API, and then you're good to go. Tandem uses DST (Deterministic Simulation Testing) on every PR and nightly to ensure correctness. Our DST system Gatekeeper lets us model not only storage and network failures, but also race conditions, by gating each call between client/server/other services independently. Tandem currently supports any React-based frontend, any serverful backend (like Cloudflare Durable Objects), and any SQL-like database. New adapters are easy to build, and PRs and issues are appreciated! Open-source and MIT licensed: tanishqkancharla/tandem
Tandem is early (APIs will still change) and MIT licensed. Try the quickstart, break it, and tell me what you find. tanishqkancharla/tandem t.co
@FelippeRegazio Cara nao sei a quem possa interessar isso mas como revisar codigo é impossivel agora eu tenho testado essa skill e tem me dado otimos resultados tanishqkancharla/diffmap
This is pretty cool. maybe something that graphlin can build on as well royosherove/graphlin
if you're interested in a cloud hosting solution so you can securely share diffmaps with your team, please upvote this issue: diffmap#32 t.co
introducing diffmap: a new document format for planning and reviewing agent code. The idea behind diffmap is letting you review the important design changes, not massive line diffs. "Write a diffmap spec for the changes on this branch. Use tanishqkancharla/diffmap" I've been working and iterating on this skill for more than 2 months! I use it every day for any big feature or refactor. Excited to finally make it public