dictd
Description: dictd is an open source dictionary server that provides dictionary services over a network. It allows clients to access dictionary definitions from a central server.
Type: software
Pricing: Open Source
Italki
Description: Italki is an online language learning platform that connects students with teachers for 1-on-1 lessons via video chat. It offers over 150 languages and has a community of over 10 million learners and teachers.
Type: software