Top 12 Open-Source Alternatives to Microsoft SQL Server

Microsoft SQL Server

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Alternatives Status Page

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Product categories

Databases NoSQL Databases Relational Databases Tool Graph Databases Key-Value Database Android Data Integration Database Management Document Databases IoT NoSQL Database As A Service

Summary

The top open-source alternatives to Microsoft SQL Server are MongoDB, PostgreSQL, and CouchBase. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

MongoDB Landing Page
1

MongoDB

MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Pricing:
- Open Source
#Databases #NoSQL Databases #Relational Databases 18 social mentions
PostgreSQL Landing Page
2

PostgreSQL

PostgreSQL is a powerful, open source object-relational database system.
Pricing:
- Open Source
#Databases #NoSQL Databases #Relational Databases 19 social mentions
CouchBase Landing Page
3

CouchBase

Document-Oriented NoSQL Database
Pricing:
- Open Source
#Databases #Graph Databases #NoSQL Databases 3 social mentions
MariaDB Landing Page
4

MariaDB

An enhanced, drop-in replacement for MySQL
Pricing:
- Open Source
#Databases #NoSQL Databases #Relational Databases 46 social mentions
SQLite Landing Page
5

SQLite

SQLite Home Page
Pricing:
- Open Source
#Databases #NoSQL Databases #Relational Databases 18 social mentions
Redis Landing Page
6

Redis

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
Pricing:
- Open Source
#Databases #Graph Databases #NoSQL Databases 239 social mentions
Firebird Landing Page
7

Firebird

Relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platform
Pricing:
- Open Source
#Databases #NoSQL Databases #Relational Databases 4 social mentions
Oracle DBaaS Landing Page
8

Oracle DBaaS

See how Oracle Database 12c enables businesses to plug into the cloud and power the real-time enterprise.
Pricing:
- Open Source
#Databases #NoSQL Databases #Relational Databases
MySQL Landing Page
9

MySQL

The world's most popular open source database
Pricing:
- Open Source
#Databases #NoSQL Databases #Relational Databases 4 social mentions
ArangoDB Landing Page
10

ArangoDB

A distributed open-source database with a flexible data model for documents, graphs, and key-values.
Pricing:
- Open Source
#Databases #Graph Databases #NoSQL Databases 6 social mentions
Realm.io Landing Page
11

Realm.io

Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.
Pricing:
- Open Source
#Databases #Data Integration #NoSQL Databases 25 social mentions
ObjectBox Landing Page
12

ObjectBox

ObjectBox empower edge computing with an edge device database and synchronization solution for Mobile & IoT. Store and sync data from edge to cloud.
Pricing:
- Open Source
#Databases #IoT #NoSQL Databases 9 social mentions