Record sounds - Audacity: It is a free open source digital audio editor and recording computer software application, available for Windows, macOS/OS X, Linux and other operating systems. You have to download it to the computer.
- Vocaroo: It's a very easy tool to record sounds. You can also upload something you already have recorded. It's possible to embed it.
- Soundcloud: You can record your own files and you can listen to others music.