Rocket Chat and Wekan are useful online collaboration tools. Both tools are open source and can be downloaded and installed for free.
ReadRecently I had the opportunity of on tuning website performance using Varnish. Varnish is called a Caching HTTP Reverse Proxy. This means it sits between your end user and one or more back-end servers such as Apache or Nginx and functions as a cache for HTTP traffic.
ReadJWPlayer is one of the most widely used video players. It has evolved from a simple video player into a video publishing platform. The latest version 7 of the player is a major upgrade from the last version. Websites that use the old JWPlayer 6 should upgrade to the latest version.
ReadThe W3C Markup Validator is a useful tool that allows validating HTML text. It can be used to check if a given web page or text conforms to the HTML 5 standard.
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