Database Hosting

 Free backend hosting

 https://free-for.dev/#/?id=dbaas

Service	Type	Storage	Limitations
Amazon DynamoDB	⚠️ Proprietary NoSQL	25 GB	⚠️ Payment method required
Amazon RDS	⚠️ Proprietary RDBMS		⚠️ Only free for 1 year
Azure SQL Database	MS SQL Server		⚠️ Only free for 1 year
👉 Clever Cloud	PostgreSQL, MySQL, MongoDB, Redis	256 MB (PostgreSQL)	Max 5 connections (PostgreSQL)
ElephantSQL	PostgreSQL	20 MB	5 concurrent connections
Fly.io	PostgreSQL	3 GB	⚠️ Credit card required, limited outbound traffic, no way to avoid accidental overage fees
Google Cloud Firestore	⚠️ Proprietary NoSQL	1 GB	⚠️ After the first year there's no way to avoid accidental overage fees
Heroku Postgres (discontinued) 😭	PostgreSQL	10K max rows
IBM Cloud Cloudant	⚠️ Proprietary NoSQL	1 GB	Deleted after 30 days of no activity
IBM Cloud Db2	Db2	200 MB	⚠️ "users are asked to re-extend their free account every 90 days by email. If you do not re-extend, your free account is cleaned out a further 90 days later"
MongoDB Atlas	MongoDB	512 MB
OpenShift Developer Sandbox	MariaDB, MongoDB, MySQL, PostgreSQL	15 GB	⚠️ Expires after 30 days (can resubscribe for free but not extend subscription), pods are automatically deleted after 12 consecutive hours of runtime
Oracle Cloud	Oracle Database	20 GB each per two databases	⚠️ Payment method required
Redis Enterprise	Redis	30 MB
Scalingo	PostgreSQL	128 MB	Max 10 connections ⚠️ Payment method required after 30 day trial
👉 Supabase	PostgreSQL	500 MB	Paused after 1 week inactivity 2 GB transfer limit

 

https://railway.app/ provides free MySQL and PostgreSQL hosting.

planetscale.com 

Clever Cloud also allows free 500MB MongoDB -> https://www.clever-cloud.com/pricing/#MongoDB 

bio.io has offers three free PostgreSQL instances with 3GB data cap and moderate usage as well. https://bit.io/pricing 

https://remotemysql.com/ - Free 100MB MySQL
https://www.infinityfree.net/ - Free 400 MySQL Database (with PHP hosting, not remote)
https://freedb.tech/ - Free 50MB MySQL

freesqldatabase.com

https://www.deta.sh

https://xata.io  

filess.io 

DBHub.io

TiDB Cloud 

 

Service	Type	RAM	Storage	Limitations
👉 Adaptable	PaaS	256 MB	Non-persistent? (1 GB database storage available)
AWS EC2	IaaS	1 GB		⚠️ Only free for 1 year
Azure App Service	PaaS	1 GB	1 GB	⚠️ 60 CPU minutes/day
Azure VM	IaaS	1 GB	2 GB (non-persistent)	⚠️ Only free for 1 year
👉 Fly.io	PaaS	256 MB (2 instances)	1 GB (persistent)	160 GB/month outbound traffic (broken down by region) ❓ Trial plan (2 instances and 1 GB storage) doesn't require card, but does it expire? ⚠️ Hobby plan (3 instances and 3 GB storage) requires credit card, no way to avoid accidental overage fees
Google App Engine	PaaS	128 MB	1 GB	Standard Environment only Limited to Go, Java, Node.js, PHP, Python, Ruby 1 GB/day outbound traffic; should be able to avoid overage fees
Google Compute Engine	IaaS	0.6 GB	30 GB	1 GB/month outbound traffic (not including China or Australia) ⚠️ After the first year there's no way to avoid accidental overage fees
Heroku (discontinued) 😭	PaaS	512 MB	Non-persistent	Idling after 30 minutes inactivity, limited to 550 hours/month
IBM Cloud Foundry	PaaS	256 MB		⚠️ Sleep after 10 days, deleted after 30 days of no "development activity"
👉 Northflank	PaaS	??? (2 instances)	Non-persistent	⚠️ Credit card required for signup, won't be billed on the free tier
OpenShift Developer Sandbox	PaaS	7 GB	15 GB	⚠️ Expires after 30 days (can resubscribe for free but not extend subscription), pods are automatically deleted after 12 consecutive hours of runtime
Oracle Cloud	IaaS	1 GB each for 2 VMs (AMD CPU) 24 GB across up to 4 VMs (ARM CPU)	200 GB across 2 volumes	AMD CPUs limited to 1/8 of 2 CPUs per VM ⚠️ Payment method required
👉 Railway	Paas	512 MB	1 GB	Limited to 500 hours/month 100 GB/month outbound traffic
👉 Render	PaaS	512 MB	Non-persistent	No persistent storage Idling after 15 minutes of inactivity 750 hours runtime/month

 

Free Cloud Instances (VPS)

 Google Cloud Platform

• • App Engine - 28 frontend instance hours per day, 9 backend instance hours per day
  • Cloud Firestore - 1GB storage, 50,000 reads, 20,000 writes, 20,000 deletes per day
  • Compute Engine - 1 non-preemptible e2-micro, 30GB HDD, 5GB snapshot storage (restricted to certain regions), 1 GB network egress from North America to all region destinations (excluding China and Australia) per month
  • Cloud Storage - 5GB, 1GB network egress
  • Cloud Shell - Web-based Linux shell/basic IDE with 5GB of persistent storage. 60 hours limit per week
  • Cloud Pub/Sub - 10GB of messages per month
  • Cloud Functions - 2 million invocations per month (includes both background and HTTP invocations)
  • Cloud Run - 2 million requests per month, 360,000 GB-seconds memory, 180,000 vCPU-seconds of compute time, 1 GB network egress from North America per month
  • Google Kubernetes Engine - No cluster management fee for one zonal cluster. Each user node is charged at standard Compute Engine pricing
  • BigQuery - 1 TB of querying per month, 10 GB of storage each month
  • Cloud Build - 120 build-minutes per day
  • Cloud Source Repositories - Up to 5 Users, 50 GB Storage, 50 GB Egress
  • Google Colab - Free Jupyter Notebooks development environment.
  • Full, detailed list - Free Trial and Free Tier | Google Cloud

• Amazon Web Services
  • CloudFront - 1TB egress per month
  • Cloudwatch - 10 custom metrics and 10 alarms
  • CodeBuild - 100min of build time per month
  • CodeCommit - 5 active users,50GB storage and 10000 request per month
  • CodePipeline - 1 active pipeline per month
  • DynamoDB - 25GB NoSQL DB
  • EC2 - 750 hours per month of t2.micro or t3.micro(12mo)
  • EBS - 30GB per month of General Purpose (SSD) or Magnetic(12mo)
  • Elastic Load Balancing - 750 hours per month(12mo)
  • Glacier - 10GB long-term object storage
  • Lambda - 1 million requests per month
  • SNS - 1 million publishes per month
  • SES - 62.000 messages per month
  • SQS - 1 million messaging queue requests
  • Full, detailed list - Free Cloud Computing Services - AWS Free Tier

• Microsoft Azure
  • Virtual Machines - 1 B1S Linux VM, 1 B1S Windows VM (12mo)
  • App Service - 10 web, mobile or API apps (60 CPU minutes / day)
  • Functions - 1 million requests per month
  • DevTest Labs - Enable fast, easy, and lean dev-test environments
  • Active Directory - 500,000 objects
  • Active Directory B2C - 50,000 monthly stored users
  • Azure DevOps - 5 active users, unlimited private Git repos
  • Azure Pipelines — 10 free parallel jobs with unlimited minutes for open source for Linux, macOS, and Windows
  • Microsoft IoT Hub - 8,000 messages per day
  • Load Balancer - 1 free public load balanced IP (VIP)
  • Notification Hubs - 1 million push notifications
  • Bandwidth - 15GB Inbound(12mo) & 5GB egress per month
  • Cosmos DB - 5GB storage and 400 RUs of provisioned throughput
  • Static Web Apps — Build, deploy and host static apps and serverless functions, with free SSL, Authentication/Authorization and custom domains
  • Storage - 5GB LRS File or Blob storage (12mo)
  • Cognitive Services - AI/ML APIs (Computer Vision, Translator, Face detection, Bots...) with free tier including limited transactions
  • Cognitive Search - AI-based search and indexation service, free for 10,000 documents
  • Azure Kubernetes Service - Managed Kubernetes service, free cluster management
  • Event Grid - 100K ops/month
  • Full, detailed list - Create Your Azure Free Account Today | Microsoft Azure

• Oracle Cloud
  • Compute - 2 x64-based with 1 GB RAM each, 4 Arm-based Ampere A1 cores and 24 GB of memory usable as one VM or up to 4 VMs
  • Block Volume - 2 volumes, 200 GB total (used for compute)
  • Object Storage - 10 GB
  • Load balancer - 1 instance with 10 Mbps
  • Databases - 2 DBs, 20 GB each
  • Monitoring - 500 million ingestion datapoints, 1 billion retrieval datapoints
  • Bandwidth - 10 TB egress per month, speed limited to 50 Mbps on x64 based VM, 500 Mbps * core count on ARM based VM
  • Public IP - 2 IPv4 for VMs, 1 IPv4 for load balancer
  • Notifications - 1 million delivery options per month, 1000 emails sent per month
  • Full, detailed list - https://www.oracle.com/cloud/free/

• IBM Cloud
  • Cloud Functions - 5 million executions per month
  • Object Storage - 25GB per month
  • Cloudant database - 1 GB of data storage
  • Db2 database - 100MB of data storage
  • API Connect - 50,000 API calls per month
  • Availability Monitoring - 3 million data points per month
  • Log Analysis - 500MB of daily log
  • Full, detailed list - IBM Cloud Free Tier

  Source: gigarocket.net