If we encounter multi-level or complex objects, we usually go with mongo/document/cosmos DBs. Getting better in detecting such objects and moving them here. MongoDB
When some regex or hardly scriptable but pattern-type problem occurs, I always go to notepad++. Also nice for file inspection (like image-meta). Notepad++
We use VSTS to host our repos, to manage our backlog and plan our sprints, to track our work (tasks and bugs), host our knowledge-base (wiki) and a lot more. I am the team admin. Visual Studio Team Services
An IDE which I use for at least ten years now. Roslyn is getting better and better, but VS Code seems better now. A bit obsolete concept, but the extra tools (like git integration, azure browsing, preset projects and solutions) makes it still very useful. Visual Studio