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bitsql

mirekrusin.comInfrastructure

PulseGate's liveness check found it on 7 Oct 2026; it is registered on GitHub and has been in the index since 7 Oct 2026. How this is checked

bitsql is an open-source, memory-only SQL Server emulator that speaks TDS and supports real T-SQL for application tests. Developers can run it locally or in Docker as a lightweight replacement for SQL Server test containers while retaining existing clients and connection settings.

Inferred · not functionally tested

Open SourceWebCLISelf-hostedAPI
bitsql preview
Visit mirekrusin.com

Overview

6 features

Purpose: Running SQL Server integration tests without the size, startup time, and memory cost of a full SQL Server container.

Inferred · not functionally tested

Audience: software developers and application engineering teams

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: indicated (inferred, not tested) · MCP: unknown · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: open_source · license: Open Source · platforms: CLI, WEB · deployment: browser, cli, self_hosted, api_only

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: mirekrusin.com · github.com. These links do not verify the individual claims.

bitsql is a Databases (SQL, NoSQL, vector, graph) project. Inferred · not functionally tested: It focuses on running SQL Server integration tests without the size, startup time, and memory cost of a full SQL Server container. Inferred · not functionally tested: bitsql is an open-source project aimed at software developers and application engineering teams. Basis unknown · not verified: bitsql is open source under the Open Source license. Basis unknown · not verified: It runs on the web, the command line, and API, and it can be self-hosted.

Mirek Rusin builds and maintains bitsql, and it first shipped in 2026. Development happens publicly on GitHub with 320 commits in the last 90 days. Inferred · not functionally tested: Key capabilities include T-SQL support, TDS protocol, and in-memory database.

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

Tasks: Inferred · not functionally tested

  • T-SQL support
  • TDS protocol
  • In-memory database
  • Docker image
  • Browser playground
  • SQL Server tests

Topics: Inferred · not functionally tested

Tags
sql-server-compatiblet-sql-testingtds-protocolin-memory-database

JSON profile · Text profile · Access guide

Built with & integrations

Written with
Claude Code
Runs on
BrowserCLISelf-hostedAPI-only
Written with — evidence
Claude Code
.claude/

Trust & compliance

License
Open Source
Public signals
HTTPSOpen SourceFree tierGitHubActive maintenance

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed7 Oct · 09:42 UTC
    Show HN: Bitsql – light, mssql compatible server seen via Hacker News firehose (Algolia)
    Source: Hacker News firehose (Algolia) · Open

Frequently asked questions about bitsql

What is bitsql?
Inferred · not functionally tested: Bitsql focuses on running SQL Server integration tests without the size, startup time, and memory cost of a full SQL Server container. It is catalogued under Databases (SQL, NoSQL, vector, graph) on PulseGate.
Who should use bitsql?
Inferred · not functionally tested: bitsql is an open-source project built for software developers and application engineering teams.
Is bitsql free?
Basis unknown · not verified: Yes — bitsql is open source under the Open Source license and free to use.
What platforms does bitsql run on?
Basis unknown · not verified: bitsql runs on the web, the command line, and API. It can also be self-hosted.
Is bitsql still active?
PulseGate's liveness check found it on 7 Oct 2026. Its GitHub repository shows 320 commits in the last 90 days.
What projects are similar to bitsql?
Similar projects tracked by PulseGate include Download JabrDB, datagrundlag.dk, and Ketrik Firestore Studio.Download JabrDBdatagrundlag.dkKetrik Firestore Studio
Who makes bitsql?
bitsql is developed by Mirek Rusin.
When did bitsql launch?
bitsql first shipped in 2026.

Also in Databases (SQL, NoSQL, vector, graph)

Same category — not a similarity match