Sean Stannard-Stockton says US donor information website Charity Navigator faces competition from several start-up services.
Jo Robinson suggests how consumers can give to charity this Christmas without parting with cash.
Jonathan Purchase encourages charities to begin planning online campaigns for the forthcoming general election.
Alex Sobel blogs as his one-month attempt to consume only products from social enterprises comes to an end.
Technica Vita offers advice to charities on using BeaMagpie's Twitter advertising service.