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Head-to-head

Driftwood vs Overcast: which should you choose in 2026?

Two pieces of open-source infrastructure by founders with similar instincts — small, readable, self-hostable — solving problems at different layers of the stack.

Driftwood logo

Driftwood

A local-first sync engine you can drop into an app you already shipped

Open sourceOpen source1.5k upvotes
Visit Driftwood
Overcast logo

Overcast

Observability a two-person team can afford to run and actually understand

Open sourceOpen source1.1k upvotes
Visit Overcast

Driftwood vs Overcast at a glance

Driftwood and Overcast compared attribute by attribute
AttributeDriftwoodOvercast
Pricing modelOpen sourceOpen source
Entry priceOpen sourceFree tier available
Open sourceYesYes
Self-hostableYesYes
CategoryDeveloper Tools, Open SourceDeveloper Tools, Open Source
Upvotes1.5k1.1k
Discussion203 comments142 comments
Launched20262026
VerifiedYesYes

Pros and cons

Driftwood

Strengths

  • Retrofits onto a data model you already have
  • Per-field conflict strategies, including custom resolvers
  • Handles simultaneous live schema versions
  • MIT, relay included

Trade-offs

  • Sync is genuinely complex — the docs are long for a reason
  • Partial sync needs careful predicate authorisation
  • Small maintainer team

Overcast

Strengths

  • Metrics, logs and traces correlated in one place
  • Alert rules that read like sentences
  • No silent sampling, ever
  • Standard OTLP in, Parquet out

Trade-offs

  • Single-node ceiling
  • Fewer prebuilt dashboards than mature vendors
  • Self-hosting means you own the upgrades

Interface comparison

Driftwood interface — main workspace
Driftwood
Overcast interface — main workspace
Overcast

The detail

Both are infrastructure, neither is a product surface

Users never see either of these. That shapes everything about how you should evaluate them: what matters is the failure mode, the upgrade path, and whether you can read the source when it does something surprising at 3am.

Both score well on all three, which is not common.

Licensing

Driftwood is MIT, including the relay. Overcast is Apache 2.0 with an identical self-hosted and hosted build. Neither has an open-core split, which is worth noting because most of the category does.

The verdict

Driftwood if your app needs to work offline and reconcile cleanly. Overcast if you need to know why your service is slow. They compose well and are frequently run together.

More about DriftwoodMore about Overcast

Driftwood vs Overcast — FAQ

Which is better, Driftwood or Overcast?

Driftwood if your app needs to work offline and reconcile cleanly. Overcast if you need to know why your service is slow. They compose well and are frequently run together.

Is Driftwood or Overcast cheaper?

Both start at the same price point: Free. The difference is what you get at that tier, which the pricing sections on each product page set out in full.

Can I self-host Driftwood or Overcast?

Both are open source and self-hostable. Check the licence on each — the terms differ, and so does whether the open build is the same one the vendor runs in production.

What are the main differences between Driftwood and Overcast?

Two pieces of open-source infrastructure by founders with similar instincts — small, readable, self-hostable — solving problems at different layers of the stack.

Still deciding?

If neither is quite right, these pages cover the wider field.

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