SwissTransfer is a file-sharing service from the Swiss hoster Infomaniak. They have a 50 GB size limit and don't require an email for sharing files. Sharing the files is end-to-end encrypted and can additionally be secured via a password.
European alternatives to WeTransfer
WeTransfer is a file-sharing service from the United States. They allow users to share files of up to 2 GB without needing an email address.
This pages lists European WeTransfer alternatives from companies based in a member state of the European Union (EU) or the European Free Trade Association (EFTA).
Smash is a file-sharing service from France. They have a 2 GB size limit, and an email address is required for their free transfers.
TransferNow is a file-sharing service from France. Free transfers require an email address, have a size limit of 5 GB and include advertisements.
WeSendit is a file-sharing service from Switzerland. They don't require an email and have a transfer limit of 2 GB.
FileMail is a file-sharing service from Norway. Their free plan does not need an email address and works for up to 5 GB files.
SendGB is a file-sharing service from Estonia. They offer free password-protected file transfers for up to 5 GB, but an email address is required.
TeraShare is a peer-to-peer file sharing service from Belgium. They are based on the open-source libtorrent library and provide a unique way to share files with your peers. You and your recipient both need to download TeraShare which enables both of you to share any file on your computer with each other for free.