Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!
BigQuery on Google Cloud
The free tier seems to be good enough for most personal use cases.
- 1TB of querying per month
- 10GB storage per month
Amazon Always Free Offers
- Amazon DynamoDB
- Free with the AWS Free Tier
- 25G storage
- 25 WCU
- 25 RCU
- 200M requests per month
DigitalOcean Managed Database
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Fully managed MongoDB, MySQL, Redis, and PostgreSQL database engines to give your application the performance it needs without the operational overhead of managing your own database server.
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Starts from $15/month.