MemCachier

Serverless Redis with free tier up to 500K monthly commands, 256MB max database size, and 20 concurrent connections ⬆️ Back to Top

A serverless managed ClickHouse with connection-less data ingest over HTTP and lets you publish SQL queries as managed HTTP APIs. There is no time limit on free-tier, 10GB storage + 1000 API requests per day.

Cloud Data Platform offers a free tier and all plans are completely free while in beta

a fast and straightforward NoSQL cloud database service. With restdb.io you get schema, relations, automatic REST API (with MongoDB-like queries), and an efficient multi-user admin UI for working with data. The free plan allows 3 users, 2500 records, and 1 API request per second.

Vector Database for embedding data, single node cluster with 0.5 vCPU, 1GB RAM, and 4GB disk.

Aiven offers free PostgreSQL, MySQL and Valkey (Redis compatible) plans on its open-source data platform. Single node, 1 CPU, 1GB RAM, and for PostgreSQL and MySQL, 1GB storage. Easy migration to more extensive plans or across clouds.

Flexible, Spreadsheet-like Database built by the Seafile team. unlimited tables, 2,000 lines, 1-month versioning, up to 25 team members.

2 free managed databases, pick from: Postgres, MariaDB, Redis, Valkey, DuckDB, SQLite, libSQL, and TypeDB. All with TLS. Branch 7 of 8 free engines, 1 branch per database - 10 GB/day, 50 GB/week, 150 GB/month throughput limits on free. 10 additional engines available on higher tiers with no meters.