The BBC Sound Effects Archive has a searchable library of over 33,000 recorded sound effects. They are all free to download and use in non-commercial productions.

SoundBible.com offers free sound clips for download in either wav or mp3 format. Their sound effects and clips are all free to download, for use in videos.

Freesound is a user-generated sound effects library, in a searchable database. Free to download and use.

Bensound has a large library of royalty-free music tracks, searchable by genre. They are free to use, as long as you attribute the artist in your production. Subscription available for UK$140, gives you unlimited downloads.

CC Mixter is a community music site that promotes remix culture and makes samples, remixes, and a cappella tracks available for re-use in creative works. Dig CC Mixter allows you to search these free tracks for your specific need, whether instrumental for film, soundtrack for video game or music for a commercial product.

Free Music Archive, founded by radio station WFMU, offers free access to open licensed, original music. Visitors can download and re-use music in videos, podcasts, films and games. Tracks have different licensing setups that are explained on the site.

Media College.com is a site with quite a lot of information for film-makers, photographers and lighting.

The Audio part of the site has a lot of useful information regarding using microphones, sound mixing and technical equipment.

Adobe Creative Cloud is a whole suite of professional design software. For animators, you have access to professional audio editing tools such as Audition. Very powerful software for a variety of purposes, take some time to learn all the tools. Available on Windows, Mac OS. Simplified versions on Mac iOS and Android. Subscription model: student price of $22 a month (requires education email address)/ regular price $78 a month for the whole suite.

Audacity is a free, open source software that is an easy-to-use, multi-track audio editor and recorder. It is available on Windows, macOS, GNU/Linux and others.

Garage Band is free audio software available on Apple products using Mac OS or iOS. Very accessible and easy to use, it has a wealth of instruments and loops that can be assembled to make music tracks. It also allows for musicians to plug in their keyboard or guitar to record.