Apertium
Open Source
Apertium is a free/open-source rule-based machine translation platform.
Merriam-Webster
Free
Merriam-Webster is an online dictionary.
dict.cc
Free
dict.cc is a free, multilingual online dictionary. The site's database can also be downloaded and used offline.
Yandex.Translate
Free
Yandex.Translate (Yandex.Translation) is a web service for the translation of text or web pages into another language.
Compare Google Translate with alternatives
Compare Apertium and Google Translate and decide which is most suitable for you.
Compare dict.cc and Google Translate and decide which is most suitable for you.
Compare Merriam-Webster and Google Translate and decide which is most suitable for you.
Compare Yandex.Translate and Google Translate and decide which is most suitable for you.