List of free graphql stuff for developer๐๐ฝ
If you're looking for all programming tools around graphql (not just free). Check this page List of graphql Programming Tools

Nhost
Nhost is an open source Firebase alternative with GraphQL, built with the following things in mind: Open Source, GraphQL, SQL, Great Developer Experience
Tag: hosting, storage, database, authentication, serverless-backend, graphql
Postgres DB with 500 MB of storage GraphQL with Hasura Authentication upto 10,000 Storage up to 1GB Network Transfer upto 5GB ! Sleeps after 7 days of inactivity
GraphQL.Security
One-click security scan of your GraphQL endpoints. Free, no login required.
Tag: api, security, graphql
Test for 11 common vulnerabilities One-click launch No login required No email required
Directus
Open-Source Data Platform โ Directus wraps any SQL database with a real-time GraphQL+REST API and an intuitive app for non-technical users. 100% JavaScript.
Tag: Database, SQL, GraphQL, API, CMS
Completely Free and Open-Source Works with any New or Existing SQL Database REST & GraphQL API Powerful Content/Data/Asset Management Completely Flexible Content Structure

GraphCDN
Scale, inspect & protect your GraphQL API. Cache your queries at the edge, get insights into its usage and protect it from malicious queries.
Tag: CDN, API, graphql
5m requests per month for free Unlimited users Unlimited APIs

edgedb
A graph-relational database with declarative schema, built-in migration system, and a next-generation query language
Tag: database, graphql

Back4appโข
Our simple, straightforward plans offer stability and predictability at the end of the month. No more surprise bills.
Tag: database, hosting, graphql, authentication, hosting-backend
Ideal for developing, learning and prototyping. Explore our features and start building with free monthly capacity of 25k requests, 250MB data storage, 1GB transfer, 1GB file storage. Supported by community.