Yes, you can get a SOCKS5 proxy for free. Some popular websites for free SOCKS5 proxies are:
Free SOCKS5 proxies are often offered by individuals or small companies (and much more commonly shady ones) and may not have the same level of reliability and security as paid services. They may also have bandwidth limitations and slower speeds as compared to paid SOCKS5 proxies.
It is important to keep in mind that free proxies, regardless of the type, can be risky to use as they may be operated by malicious individuals who could use them to steal your personal data or compromise your security.
If you require a high level of security and reliability, it may be worth investing in a paid SOCKS5 proxy service or even a paid VPN from a reputable provider.