A number of free online pre-flight planning tools are available. They can help safely and easily plan a Visual Flight Rules (VFR) flights in and around busy airspace. They can also be used to check NOTAMS.
NATS has awarded its Safety Compliance Mark to SkyDemon Light. The mark indicates that the product includes functions required by NATS to enhance flight safety. It is available online at http://www.skydemonlight.com/ and can be downloaded as an app for mobiles phones and tablets.
Other electronic flight planning tools are available as mobile apps and online services. Some include options for filing flight plans and in-flight weather alerts.