Best articles about InfluxDB 2.0 client libraries in 2021

Python Client Library

If you want to start with monitoring in Python, Getting Started with Python and InfluxDB v2.0 written by Anais Dotis-Georgiou is a good start, then jump to README.md

JavaScript Client Library

There is a cool article written by Nicolas Bohorquez -- Getting Started with JavaScript and InfluxDB - The New Stack

Visualizing Your Time Series Data with the Highcharts Library and InfluxDB written by Anais Dotis-Georgiou

For developers, if you need a boilerplate for the generic node.js based monitoring application, follow up with IoT Center v2. Huge time saver!

C# Client Library

Getting Started with C# and InfluxDB by Influxdata.

Then dive deep into C# Client Library README.md, including examples how Microsoft Lync builds Flux query to get response from InfluxDB.

PHP Client Library

Getting Started with PHP and InfluxDB By Cameroon Pavey from Influxdata Community.

Give a Chance to Flux

In addition, although it is not about client library, it shows powerful way of how InfluxDB built-in Flux language processes CSV data.

It's called TL;DR InfluxDB Tech Tips – Aggregating across Tags or Fields and Ungrouping.