Access Programmers Forum UK – a good source of help and discussion if you want to improve your knowledge
Whatsmyip.org – identify what external IP you on right now!
UPTIME robot – monitor your web applications so you know if there is downtime.
Low Code Tools I’ve used..
XLinesoft – Low Code Tool
Important Open Source Software
Postgres Quickly becoming the go to relational database for new developers.
The QGIS Project Arguably the best desktop GIS software bar none.
Inkscape Draw Freely Open source Graphics design which is really excellent.
Tools that I want to experiment with