Quickwit

https://quickwit.io/

Open-source distributed search engine for logs/traces — cloud-native (object storage as primary tier). Acquired by Datadog 2024.

Acquired. acquired by Datadog Source · Alternatives and migration notes →

Acquired · Verified 2026-10-29 · fresh as of 2026-10-29 · 20 cited facts, 3 with a third-party source · 1 recorded change · Suggest a correction

At a glance

Tier
T2
Created
2021 vendor fix
Latest release
searched not found fix
License
Apache-2.0 repo fix
Pricing
free (OSS) repo fix
Freshness
2026-10-29 fix
Layer
model-infra repo fix
Licensing
open-source repo fix
Deployment locus
local vendor fix
Platform vs product
platform repo fix
SDK languages
rest vendor fix
Protocols
opentelemetry repo fix

When to use

Optimised for: searched not found

Anti-fit: searched not found

Pros & cons

Pros

searched not found

Cons

searched not found

Claims & capabilities

Rust-based observability search engine; acquired by Datadog 2024-12; same team behind Tantivy OSS.

Technical surface

API surface
searched not found
Backend storage
searched not found
Deployment
Self-hosted only — OSS distributed search engine on object storage
Embedding model
searched not found
Multi-tenancy
searched not found
MCP
searched not found
A2A
searched not found
OpenTelemetry
searched not found

Similar systems

Other search platforms (non-memory) in the catalog, ranked by inbound references.

  • OpenSearch T1

    AWS-led fork of Elasticsearch 7 — Apache-licensed; k-NN plugin, OpenSearch ML, neural-search. Substrate beneath AWS OpenSearch Service.

  • Supabase Vector T1

    Supabase's managed pgvector — combined Postgres + vector store; popular default for OSS LLM apps. Supabase $80M Series C 2024.

  • Typesense T2

    Open-source search engine focused on typo-tolerance and ease of use — Typesense Cloud commercial; rising Algolia alternative.

  • Algolia T1

    Search-as-a-service API for instant search experiences — NeuralSearch (vector) + lexical. Adopted by 12000+ companies including LVMH, Stripe.

  • Sajari (now Search.io) T3

    Site-search platform (formerly Sajari) with the Neuralsearch vector engine. Acquired by Algolia in September 2022 and folded into Algolia's hybrid search; search.io now redirects to algolia.com.

  • Tantivy T2

    Rust port of Lucene — embedded full-text search engine. Underlies Quickwit, Lnx, Bayard. Used in Meilisearch and many in-process search engines.

Sources (19 cited facts, 3 third-party)

Each fact links to the page it came from; the badge says who published it (how to read sources).

What changed

Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)

  1. 2026-10-26
    • License “AGPL-3.0” → “Apache-2.0” source
    • Pricing first recorded as “free (OSS)” source
    • Deployment first recorded as “Self-hosted only — OSS distributed search engine on object storage” source
    #258