AddThis is a social bookmarking service that can be integrated into a website with the use of a web widget.
Adobe Flash is a multimedia software platform used for production of animations, rich web applications and embedded web browser video players.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Vimeo is a video hosting, sharing and services platform. Vimeo operation an ad-free basis by providing subscription plans.