Major Cloud Providers

• App Engine - 28 frontend instance hours per day, nine 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
• +10 more

• CloudFront - 1TB egress per month and 2M Function invocations per month
• CloudWatch - 10 custom metrics and ten alarms
• CodeBuild - 100min of build time per month
• CodeCommit - 5 active users,50GB storage, and 10000 requests per month
• +13 more

• 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
• +16 more

2 AMD-based Compute VMs with 1/8 OCPU and 1 GB memory each - 4 Arm-based Ampere A1 cores and 24 GB of memory usable as one VM or up to 4 VMs - Instances will be reclaimed when [deemed idle](https://docs.oracle.com/en-us/iaas/Content/FreeTier/freetier_topic-Always_Free_Resources.htm#compute__idleinstances)

• Compute
• Block Volume - 2 volumes, 200 GB total (used for compute)
• Object Storage - 10 GB
• Load balancer - 1 instance with 10 Mbps
• +6 more

• 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
• +2 more

• Application Services - Free DNS for an unlimited number of domains, DDoS Protection, CDN along with free SSL, Firewall rules and page rules, WAF, Bot Mitigation, Free Unmetered Rate Limiting - 1 rule per domain, Analytics, Email forwarding
• Zero Trust & SASE - Up to 50 Users, 24 hours of activity logging, three network locations
• Cloudflare Tunnel - You can expose locally running HTTP port over a tunnel to a random subdomain on trycloudflare.com use Quick Tunnels, No account required. More features (TCP tunnel, Load balancing, VPN) in Zero Trust Free Plan.
• Workers - Deploy serverless code for free on Cloudflare's global network-100k daily requests.
• +6 more

Started as an e-mail provider but now provides a suite of services, some of which have free plans. List of services having free plans :

• Catalyst by Zoho - PaaS/full-stack cloud platform with a generous free tier
• Email Free for 5 users. 5GB/user & 25 MB attachment limit, one domain.
• Zoho Assist - Zoho Assist's forever free plan includes one concurrent remote support license and Access to 5 unattended computer licenses for unlimited duration available for both professional and personnel use.
• Sprints Free for 5 users,5 Projects & 500MB storage.
• +17 more