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: ICQ is an instant messaging client and software that was first released in 1996. It became popular in the late 1990s as one of the first multi-platform instant messaging clients. Key features of ICQ include one-on-one and group text chats, voice and video calls, offline messaging, and file transfers.
Type: software