Mattermost
Description: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.
Type: software
Pricing: Freemium
Typora
Description: Typora is a markdown editor and reader for Windows, macOS, and Linux. It provides a seamless writing and reading experience with markdown files, removing the preview window and allowing users to focus on content. Typora offers features like syntax highlighting, latex support, code fences, table formatting, and more.
Type: software