Backend Development

Some of the many features include an Analytics Web API, and a Tracking Web API.

Provides access to: Azure Active Directory, Office 365 services: SharePoint, OneDrive, Outlook/Exchange, Microsoft Teams, OneNote, Planner, and Excel. Enterprise Mobility and Security services. Windows 10 services: activities and devices. Education.

Katalon Studio is a free automation solution that can be used for API, Web and Mobile testing.

ER/Builder Data Modeler is free for personal use, the commercial version is scheduled for early 2019. It allows developers to design or modify databases and supports creating entity relationship diagrams. Supported databases: Oracle, MS SQL Server, PostgreSQL, MySQL, SQLite and Firebird.

Along with Visual Studio, this was the first language I've ever used that was fun.

TutorialsPoint offers a plethora of programming tutorials and online development environments. The JSON tutorial has examples in several languages and links to other useful resources.

Pencil is powered by Electron, a Nodejs-based environment. Although aimed at GUI prototyping, Pencil can also be used to create diagrams.

Really excited with easy and fast integration

Combined with artist-mode, Emacs org-mode fulfills all my needs as a software architect.

Very immersive, powerful but at the same time simplistic.

Easy to learn and easy to use.