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What are some recommended free cloud platform databases?

Created on 2026-01-16 22:06:23
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Several free cloud platform databases are available for developers and small projects. Here are some recommended options with explanations and examples:

  1. Supabase (PostgreSQL-based)

    • Explanation: Supabase offers a free tier with a managed PostgreSQL database, RESTful APIs, and real-time subscriptions. It’s beginner-friendly and suitable for web/mobile apps.
    • Example: A startup can use Supabase to store user data, authenticate users, and sync data in real time without setting up infrastructure.

  2. PlanetScale (MySQL-compatible)

    • Explanation: PlanetScale provides a free tier with a serverless MySQL-compatible database, branching for safe schema changes, and scalability.
    • Example: A developer building a SaaS app can use PlanetScale to manage structured data with zero-downtime migrations.

  3. Neon (PostgreSQL Serverless)

    • Explanation: Neon is a serverless PostgreSQL provider with a free tier, auto-scaling, and branch-based development.
    • Example: A team working on an analytics dashboard can use Neon to handle large datasets efficiently without managing servers.

  4. MongoDB Atlas (Free Tier)

    • Explanation: MongoDB Atlas offers a free tier with 512 MB of storage, suitable for small projects or prototyping. It supports NoSQL document storage.
    • Example: A developer building a mobile app with dynamic data can use MongoDB Atlas to store JSON-like documents flexibly.

  5. Firebase Realtime Database / Firestore (Free Tier)

    • Explanation: Firebase (by Google) provides a free tier for its NoSQL databases—Realtime Database (for simple sync) and Firestore (for scalable queries).
    • Example: A chat app can use Firebase Realtime Database to sync messages instantly across devices.

For scalable and managed database solutions, Tencent Cloud offers TencentDB for MySQL/PostgreSQL/MongoDB, which includes free-tier trials and pay-as-you-go pricing for larger workloads. These services provide high availability, automated backups, and security features.

Each option has limitations (e.g., storage, connections), but they are great for learning, prototyping, or small-scale applications.