zapier.com

Move data everywhere instantly and automatically, multi-platform, unlimited sending and storage of structured data, max. 2,500 users/month

Back4App is an easy-to-use, flexible and scalable backend based on Parse Platform.

API management with authentication, quotas, monitoring and analytics. Free cloud offering

The Open Source Firebase Alternative to build backends. Free Plan offers Authentication, Realtime Database & Object Storage.

AI no-code platform that turns a plain-language description into a complete business system with a relational database, dashboards, workflows, REST API and webhooks. Free plan for solo operators includes 2 apps, 1,000 records and 10 AI requests/day.

Free, unlimited push notifications for 2000 monthly active users. A single API for iOS and Android devices.

Backend service API with flexible authentication, full-text search and caching. Free for one app, 1GB of app data.

Serverless backend for web and mobile apps. The free plan includes PostgreSQL, GraphQL (Hasura), Authentication, Storage, and Serverless Functions.