YouTube - Our mission is to give everyone a voice and show them the world.

Documize - Enterprise-grade wiki and knowledge management platform

Dailymotion - Dailymotion is a large online file sharing site that can prove to be a viable alternative to larger portals such as YouTube. If you have been hoping to enjoy videos even while offline this free Dailymotion download software is a useful option.

HackMD - Fast and flexible, real-time collaborative markdown, inspired by Hackpad.

Vimeo - Vimeo is a social media app that lets you share and capture videos. You can watch new videos in a variety of different categories, and you can share your own content right from your device. Read more about Vimeo.

ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.