Upscayl is a Free and Open Source AI Image Upscaler for Linux, MacOS and Windows.
uBlacklist blocks specific sites from appearing in Google (and other Search Engines) search results. Awesome-uBlacklistmaintains a list of subscriptions to block search results.
UTF-8 Everywhere - to promote usage and support of the UTF-8 encoding and to convince that it should be the default choice of encoding for storing text strings in memory or on disk, for communication and all other uses.