The list here, in "as added to" order is simply links (they open in a new window) to stuff that I've found interesting, informative, amusing or just worth listing. 
There is a brief  caption for each one with the date it was added, with most recent first.

Ian Visits - Things to do and what's on in London.  Daily posts with a mix of interesting stuff, an index of museums and a schedule of day-by-day anniversaries. 7 January 2022  https://www.ianvisits.co.uk/

Museum of Brands in London - A nostalgic journey through 200 years of social change, culture and lifestyle. An exciting new way of looking at history through the things that generations of families have thrown away, a journey back through the memories of your childhood, all brought back to life again in the Time Tunnel – a fascinating insight into how we have lived since Victorian times. 13 October 2021
https://museumofbrands.com/

Online Converter - for a wide range of file formats and units of measurement, this is a versatile and multipurpose converter, a handy tool for your work and personal life.  12 September 2021
https://www.onlineconverter.com/

Text to speech converter- an online service that converts text to the spoken word (and can then be saved as a sound file)  Remarkably good although it does a few odd things like saying "forward slash" when encountering, e.g. on/or.  5 July 2021
https://ttsreader.com/

Look & Learn Image Archive - one of the world’s largest and most diverse collections of historical pictures and photos. 12 June 2021
https://www.lookandlearn.com/index.php

Retro to Go - a sub-site of Wow Haus featuring retro designs of a variety of items.  16 April 2021
https://www.retrotogo.com/

The Modern House - this is actually an Estate Agent that markets modern houses that are usually architecturally stunning (you'll need to dig around in the site for current and past properties, it's fascinating).  9 April 2021
https://www.themodernhouse.com/

The Rudiments Of Wisdom - encyclopaedia by Tim Hunkin. Thousands of cartoons covering almost everything there is to know!   18 March 2021
https://www.rudimentsofwisdom.com/

Wow Haus - the home of hip houses and stylish interiors - interesting architecture with some Bauhaus influence.  10 March 2021
https://www.wowhaus.co.uk/

Dilbert - daily cartoon strip with a satirical look at corporate life - the cartoonist, Scott Adams, worked at AT&T . . . having also worked for AT&T the funny side is reality!  3 March 2021
https://dilbert.com/

Diamond Geezer - Life viewed from London E3 - (that's Bow) - again London-centric, with a daily post on all sorts of things and comments. 16 February 2021
https://diamondgeezer.blogspot.com/
ADDENDUM - there is a massive collection of interesting photographs, and not just London, at https://www.flickr.com/photos/dgeezer

Spitalfields Life - having Huguenot ancestry (on my father's side) I follow a daily email about Spitalfields (where they settled when they fled from France in the late 17C) - interesting old photographs and prints, then and now etc.  8 February 2021
https://spitalfieldslife.com/

Lumberjocks - a North American site, a bit niche but an amazing array of projects that woodworkers have created - and pictures of the members (a lot of beards and trucker caps!) and their workshops. 26 January 2021
https://www.lumberjocks.com

The links will always be "work safe" - and if any are broken/discontinued please let me know through the Contact form.