Description: BookStack is an open source knowledge management platform to help build and organize wikis for internal or public use. It allows you to collaboratively write and structure documents to organize knowledge, notes or documentation.
Type: software
Pricing: Free
Description: Forvo is an online pronunciation dictionary that allows users to listen to audio recordings of how words and phrases are pronounced in different languages. Contributors record their own voice pronouncing words and phrases, helping build the database.
Type: software