List of free SQL tool/service for developer👇🏽
Directus
Open-Source Data Platform — 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
Format Express
Instant online formatter for JSON / XML / SQL : what you paste is immediately beautified with syntax highlighting, node navigation, minimap, search tools, ...
Tag: json, xml, sql, formatter
Illimited use. No ads, no tracking.
HeidiSQL - MariaDB, MySQL, MSSQL, PostgreSQL and SQLite made easy
HeidiSQL is a free and powerful client for MariaDB, MySQL, Microsoft SQL Server, PostgreSQL and SQLite
Tag: database-gui, sql, nosql
Open Source Only for Windows
Flatbase
Query your CSV and JSON files with SQL. Flatbase is the data science platform for developers. Upload files, write SQL, visualize results, and share with collaborators.
Tag: sql, json, api, playground
Up to 3 workspaces Share with up to 3 teammates