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Best Microsoft SQL Server Alternatives — 6 Compared, With Free Tools (2026)

Explore 6 alternatives to Microsoft SQL Server — vetted by our editors with real user reviews, pricing, and feature comparisons.

The 6 best free Microsoft SQL Server alternatives, summed up

Quick answer

If you're after a Microsoft SQL Server alternative, start with MongoDB, ScaleGrid and pgDash. MongoDB leads on SpotScore (9.6), backed by a 4.7★ rating. See how all 6 compare on score, rating, and price below.

If the value just isn't there with Microsoft SQL Server anymore, these 6 database management software free alternatives are worth weighing. We rank by SpotScore (real-user satisfaction and market presence), star ratings, and pricing model, and our editors vet each pick. Scan the table for a quick view, then read the sections below for the why.

ProductSpotScoreRatingPricingBest for
MongoDBEmpowering businesses through data-driven innovation.9.6★★★★★ 4.7(164)FreeFree Trial · Freemium · Open-source · Subscriptionteams of all sizes
ScaleGridEffortlessly manage your data, anywhere, anytime.9★★★★☆ 3.75(6)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
pgDashEffortlessly monitor PostgreSQL databases in real-time.8.5★★★★★ 4.5(2)FreeFree Trial · Subscriptionteams of all sizes
dbForge Studio for MySQLStreamline MySQL development and management.8.5★★★★★ 4.86(67)FreeFree Trial · Subscriptionteams of all sizes
CrateDBUnleash the power of data at scale.8.4★★★★☆ 4.29(26)Freefrom $51/moteams of all sizes
Aiven for PostgreSQLEffortlessly manage PostgreSQL data with Aiven.8.4★★★★☆ 4.4Freefrom $99/moteams of all sizes

9.6

SpotScore

MongoDB - Database Management Software

MongoDB

Empowering businesses through data-driven innovation.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.7

164 verified reviews

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What is MongoDB?

MongoDB is the next-generation database that helps businesses transform their industries through the magic of software and data. Through MongoDB Atlas, fully-managed cloud service, organizations in the business of software can focus on building world-changing applications rather than spending ...

Read more about MongoDB
Free Trial

9.0

SpotScore

ScaleGrid - Database Management Software

ScaleGrid

Effortlessly manage your data, anywhere, anytime.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

3.8

6 verified reviews

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What is ScaleGrid?

ScaleGrid is a forward thinking enterprise Data Management Software that allows user to rapidly deploy and easily manage data across multiple geographic locations. ScaleGrid is simple to use yet provides advanced features such as backup/restore, remote access and notifications, central ...

Read more about ScaleGrid
Free Trial·

ScaleGrid offers custom pricing plan

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8.5

SpotScore

pgDash - Database Management Software

pgDash

Effortlessly monitor PostgreSQL databases in real-time.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.5

2 verified reviews

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What is pgDash?

pgDash is the only database monitoring solution designed to meet the needs of distributed teams. pgDash provides real-time visibility into the servers, clusters and applications. With pgDash, user can find and fix issues faster, monitor active workloads and get alerted on downtime. Its ...

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Free Trial

8.5

SpotScore

dbForge Studio for MySQL - Database Management Software

dbForge Studio for MySQL

Streamline MySQL development and management.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.9

67 verified reviews

Add to compare

What is dbForge Studio for MySQL?

dbForge Studio for MySQL is an affordable tool for MySQL database developers and administrators. The tool covers the full range of SQL development cycle: from database design and ER diagramming to code generation and testing, as well as database management – creation, population and analysis. ...

Read more about dbForge Studio for MySQL
Free Trial

8.4

SpotScore

CrateDB - Database Management Software

CrateDB

Unleash the power of data at scale.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.3

26 verified reviews

Add to compare

What is CrateDB?

CrateDB is a highly efficient, open-source, distributed SQL database designed to unlock powerful insights from data at scale. With its NoSQL foundation, it offers advanced indexing and schema capabilities, resulting in real-time features and increased performance. Crate.io's revolutionary ...

Read more about CrateDB
Free TrialTry Free →·

CrateDB offers custom pricing plan

8.4

SpotScore

Aiven for PostgreSQL - Database Management Software

Aiven for PostgreSQL

Effortlessly manage PostgreSQL data with Aiven.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.4

Add to compare

What is Aiven for PostgreSQL?

Aiven for PostgreSQL is data management software for PostgreSQL, generated directly from the PostgreSQL source code. It lets you manage databases and objects transparently from any language with a SQL client library that supports PostgreSQL. Aiven for PostgreSQL eliminates the need to become ...

Read more about Aiven for PostgreSQL
Free TrialTry Free →

The main Microsoft SQL Server competitors

Across Database Management Software, 6 products compete directly with Microsoft SQL Server. The strongest overlap is with MongoDB, ScaleGrid and pgDash. Each is compared against Microsoft SQL Server on rating, pricing and feature coverage below.

Sites and apps like Microsoft SQL Server

Searches for "sites like Microsoft SQL Server" and "apps like Microsoft SQL Server" land on the same set of options as "Microsoft SQL Server alternatives" — the 6 options below cover both, whether you want a like-for-like replacement or something lighter.

Why each earned a place here

MongoDB9.6Best for teams of all sizes

Easy to deploy, operate, and scale MongoDB databases in the cloud with rich monitoring tools and automation features.

Watch for: Cost can be high, especially for larger operations, limiting affordability for some users.

ScaleGrid9Best for teams of all sizes

User-friendly interface

Watch for: Limited customization options

pgDash8.5Best for teams of all sizes

Real-time monitoring

Watch for: Limited to PostgreSQL

dbForge Studio for MySQL8.5Best for teams of all sizes

Easy transition for SSMS users with feature-rich interface.

Watch for: "Edit View" feature can be clunky and limited, making direct SQL editing challenging.

CrateDB8.4Best for teams of all sizes

Highly scalable and flexible, making it easy to manage large amounts of data efficiently.

Watch for: Complexity in features and customizations may be overwhelming for new users without adequate support.

Aiven for PostgreSQL8.4Best for teams of all sizes

Direct PostgreSQL source code

Watch for: Limited to PostgreSQL

Why teams look for a Microsoft SQL Server alternative

Most teams that replace Microsoft SQL Server do it to get past issues like these:

  • Licensing costs can be on the higher side.
  • Limited compatibility with non-Microsoft platforms, making it less efficient with other operating systems like Linux.
  • Complexity and cost may be challenging for some users.
  • Some users find it slower compared to other database systems.

What to focus on in a Microsoft SQL Server alternative

Here's how these 6 database management software free alternatives stack up on the numbers: 6 offer a free tier; paid plans run $51–$99, with CrateDB the cheapest entry point; and dbForge Studio for MySQL is the highest rated at 4.86★ across 67 reviews.

The logic behind the ranking.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Microsoft SQL Server are dbForge Studio for MySQL (4.9★), MongoDB (4.7★), pgDash (4.5★). Compare all 6 alternatives side-by-side above.

When evaluating alternatives to Microsoft SQL Server, prioritize: Backup, Creation (Development), Data Migration, Data Replication, Data Search, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Microsoft SQL Server is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

Deciding on the right Microsoft SQL Server alternative

  • On a budget / just exploring: start with a free tier — MongoDB, ScaleGrid and pgDash let you evaluate without paying upfront.
  • If real-user ratings matter most: dbForge Studio for MySQL has the strongest star rating (4.86★) among the options with verified reviews.
  • Want the safest pick: MongoDB has the highest Spotsaas Score (9.6) in this list — a strong default if you're unsure.

Switching from Microsoft SQL Server

Replacing Microsoft SQL Server is easiest when you plan the data move first. Export your records, confirm the new tool imports them, and verify your key workflows hold. Pilot the switch free, then migrate fully, keeping Microsoft SQL Server open as backup until you're settled.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].