Difficulty running ClickHouse SQL queries directly in the browser without server setup. It is catalogued under Databases (SQL, NoSQL, vector, graph) on PulseGate.

Chdb is an open-source project built for developers and data analysts.

Does Chdb have a free plan?

Yes — Chdb is open source under the Apache-2.0 license and free to use.

What platforms does Chdb run on?

Chdb runs on the web and the command line.

Is Chdb still active?

The GitHub repository shows 70 commits in the last 90 days.

What projects are similar to Chdb?

Similar projects tracked by PulseGate include seraph-db, Universal Directories for Jira, and Gel.

Yes — Chdb is open source under the Apache-2.0 license.

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Chdb

chdb.ioDatabases (SQL, NoSQL, vector, graph)

chDB SQL Shell is a browser-based SQL shell that runs ClickHouse via WebAssembly, allowing users to execute SQL queries directly in the browser without server infrastructure. It is ideal for developers and analysts needing quick, local SQL experimentation.

Open SourceApache-2.0WebCLI

Visit chdb.io

2.7kstars

116forks

4features

2008since

Overview

4 features

Chdb is a Databases (SQL, NoSQL, vector, graph) project. Difficulty running ClickHouse SQL queries directly in the browser without server setup. It is built as an open-source project for developers and data analysts. Chdb is open source under the Apache-2.0 license. It runs on the web and the command line.

Chdb first shipped in 2008. The project is developed in the open on GitHub with 2.7k stars and 70 commits in the last 90 days. Among its 4 catalogued features are SQL shell, webAssembly, and clickHouse integration.

Summary written by a language model from the project’s public pages.

SQL shell
WebAssembly
ClickHouse integration
Browser-based queries

Built with & integrations

Hosting

Vercel

Runs on

BrowserCLI

Detected from

Vercel: x-vercel-id header · x-vercel-cache header

Trust & compliance

License

Apache-2.0

Verified signals

HTTPSOpen SourceFree tierActive maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed1 Jul · 11:48 UTC
Show HN: ChDB-WASM – ClickHouse running in the browser via WebAssembly verified via Hacker News firehose (Algolia)
Source: Hacker News firehose (Algolia) · Open

Frequently asked questions about Chdb

What does Chdb do?: Difficulty running ClickHouse SQL queries directly in the browser without server setup. It is catalogued under Databases (SQL, NoSQL, vector, graph) on PulseGate.
Who should use Chdb?: Chdb is an open-source project built for developers and data analysts.
Does Chdb have a free plan?: Yes — Chdb is open source under the Apache-2.0 license and free to use.
What platforms does Chdb run on?: Chdb runs on the web and the command line.
Is Chdb still active?: The GitHub repository shows 70 commits in the last 90 days.
What projects are similar to Chdb?: Similar projects tracked by PulseGate include seraph-db, Universal Directories for Jira, and Gel.seraph-db Universal Directories for Jira Gel
When did Chdb launch?: Chdb first shipped in 2008.
Is Chdb open source?: Yes — Chdb is open source under the Apache-2.0 license.

At a glance

Platforms: CLI · Web
Languages: English
License: Apache-2.0
Built for: developers and data analysts
Model: Open source
Solves: Difficulty running ClickHouse SQL queries directly in the browser without server setup.

Developer

Chdbio

Community-driven

Open source

Stars: 2,705
Forks: 116
Open issues: 41
Last commit: 1 Jul 2026
Commits 90d: 70
Contributors: 21
Authorship: Community-driven
Default branch: main
Latest release: v4.1.9 · 9 Jun 2026

Index record

Indexed: 1 Jul 2026
Lifecycle: Alive
Last seen: 1 Jul 2026

Identity audit (12)

Slug: show-hn-chdb-wasm-clickhouse-running-in-the-browser-via-weba-chdb-io
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 1 Jul 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Recorded source: taxonomy-pass-b.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://wasm.chdb.io/

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