hreflang Tester
Very efficient free online tool to test any page and its language HTML settings, mainly: its hreflang, its http-equiv, its
Language
Electropedia Electrotechnical Vocabulary
Maintained by the International Electrotechnical Commission (aka IEC), Electropedia provides all the terms and definitions used for the electricity and
DeepL Online Translation
Said by many to be the most accurate online automatic translation. Online, but also a windows app available. Update: used
Google Translate
Should we mention this ? … but works good, has the most language pairs (…) Still recommended to have English