The best alternatives to Weeve are Fluent, Duolingo, and Fluently Beta. If these 3 options don't work for you, we've listed a few more alternatives below.
Learn French, Spanish, or Italian while browsing the web
Fluent automatically translates words on websites so you can learn a language while browsing the web. You never have to set aside extra time just to study. You can now learn from content that you're already interested in.
Fluently is an online text editor with a multilingual translator, dictionary, and thesaurus built-in — all text editing and translating features in one simple tool.
Nama is a messaging platform that allows you to learn a language while chatting with your friends and family. Supports over 100 languages. Also, see the Nama Keyboard (http://namachat.com/keyboard.html).
Our mission is to inspire students to feel comfortable and confident with languages in a way native to their lifestyle. Our initial product uses AI and viral content to help students explore language like they explore the world.