-
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Search for these in the Software app—they are way simpler than GIMP: Drawing, MyPaint, Pinta. There's also https://jspaint.app/ - Paint that runs in the web browser.
Try pinta, which is basically a linux port of paint.net. A little more complicated than what you seem to be asking for, as it incorporates layers, but it's a lot easier to get your head around than gimp. Plus the layers come in super handy if you're doing anything slightly complicated involving combining images.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.