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Firestore VS Postgres-XC

Compare Firestore VS Postgres-XC and see what are their differences

Firestore

Easily develop rich applications using a fully managed, scalable, and serverless document database.

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Postgres-XC

Free, secure and fast downloads from the largest Open Source applications and software directory - SourceForge.net

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Which is more popular?

Based on our record, Firestore seems to be more popular. It has been mentioned 3 times since March 2021.

social mentions
3 vs 0
Databases popularity
89% vs 11%
alternatives listed
65 vs 17

Base details

Website, pricing, platforms and company facts side by side.

Firestore
Postgres-XC
Website cloud.google.com sourceforge.net
Listed in
Databases NoSQL Databases Relational Databases Graph Databases +1
Databases NoSQL Databases Relational Databases Document Databases +1

Features and specs

What each product offers, as listed by its team.

Firestore 5 features
Postgres-XC 0 features
  • Scalability
    Google Cloud Datastore can automatically scale to handle large amounts of data and high read/write loads, making it suitable for applications with growing data needs.
  • Fully Managed
    As a fully managed service, Google Cloud Datastore eliminates the need for managing servers, software patches, and replication, allowing developers to focus on building applications.
  • High Availability
    Datastore provides strong consistency for reads and writes and is designed to maintain availability even in case of entire data center outages.
  • Flexible Data Model
    The schemaless nature of Datastore allows for a flexible data model that can easily adapt to changes in application requirements.
  • Integration with Google Cloud Platform
    Datastore seamlessly integrates with other Google Cloud Platform services, which simplifies the process of building end-to-end solutions.

Possible disadvantages

  • Complex Query Language
    Datastore Query Language (GQL) can be less intuitive compared to SQL, which may pose a learning curve for developers accustomed to traditional relational databases.
  • Eventual Consistency for Queries
    While Datastore offers strong consistency for entity lookups by key, queries must be specifically configured for strong consistency, otherwise they might return eventually consistent data.
  • Cost
    As usage scales, costs can increase, particularly for applications with high write loads or those requiring many transactional operations, which might be a consideration for budget-conscious projects.
  • Limited Relational Capabilities
    Datastore is a NoSQL database, which means it lacks some of the relational features like joins and complex transactions that developers might expect from a SQL database.
  • Index Management
    Managing indexes can become complex, as every query in Datastore requires a corresponding index, and poorly planned indexes can lead to increased storage costs and slower query performance.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

Firestore
Postgres-XC

Overall verdict

  • Firestore is a robust, fully-managed NoSQL document database from Google Cloud that excels at real-time data synchronization, effortless scaling, and seamless integration with the broader Firebase and Google Cloud ecosystems, making it a strong choice for modern app development.

Why this product is good

  • Fully managed and serverless, eliminating the need for infrastructure provisioning and maintenance
  • Real-time data synchronization and offline support, ideal for responsive mobile and web apps
  • Automatic horizontal scaling to handle large numbers of concurrent users
  • Strong integration with Firebase Authentication, Cloud Functions, and other Google Cloud services
  • Flexible document-based data model with powerful querying capabilities
  • Robust security rules for fine-grained access control without a backend server
  • Multi-region replication offering high availability and strong consistency

Recommended for

  • Mobile and web app developers needing real-time updates and offline capabilities
  • Startups and teams wanting to move fast without managing database infrastructure
  • Applications already using Firebase or Google Cloud Platform
  • Projects with unpredictable or rapidly growing traffic requiring automatic scaling
  • Serverless architectures leveraging Cloud Functions and event-driven workflows
  • Collaborative and chat applications that benefit from live data synchronization

Overall verdict

  • Postgres-XC is a discontinued open-source project that provided write-scalable, multi-master synchronous PostgreSQL clustering, but it has been superseded by newer forks and is no longer actively maintained, making it a poor choice for new deployments today.

Why this product is good

  • Was one of the earliest solutions to add horizontal write scalability to PostgreSQL through a distributed architecture
  • Offered multi-master synchronous replication allowing reads and writes from any node
  • Maintained strong consistency (ACID compliance) across the cluster, unlike many NoSQL alternatives
  • Inspired successor projects like Postgres-XL and later influenced Citus and other distributed Postgres solutions
  • Free and open-source, allowing full inspection and modification of the codebase

Recommended for

  • Users researching the historical evolution of distributed PostgreSQL architectures
  • Legacy systems still running Postgres-XC that need maintenance knowledge
  • Developers evaluating old codebases before migrating to actively maintained alternatives like Postgres-XL, Citus, or YugabyteDB
  • Not recommended for new production deployments due to lack of updates, security patches, and community support

Videos

Walkthroughs and reviews on video.

Firestore 3 videos + Add
Postgres-XC 0 videos + Add

Firestore v10: Setup & Free Tier in 4 Mins (2026)

More videos

  • - Introduction to Firestore | NoSQL Document Database
  • - To Realtime or Not? | Get to know Cloud Firestore #10

No Postgres-XC videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Firestore
Postgres-XC
89% 89%
Databases
11% 11%
0% 0%
Relational Databases
100% 100%
89% 89%
NoSQL Databases
11% 11%
100% 100%
Network & Admin
0% 0%

User comments

Share your experience with using Firestore and Postgres-XC. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Firestore 3 mentions
Postgres-XC 0 mentions

Tracking Postgres-XC since Mar 2021.

Alternatives to Firestore and Postgres-XC

When comparing Firestore and Postgres-XC, you can also consider the following products.

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