Loginways - The best way for manage multiple accounts. Fingerprint protect.

island - a free and opensource alternative to parellel space

Incogniton - Incogniton is the tool for anyone who wants to say anonymous online. Using websites with multiple accounts at the same time is made easy. It protects users from being detected via (unauthorized) browser fingerprinting. 100% privacy and anonymity.

App Cloner - Clone your Android apps so you can use multiple logins.

GoLogin - Easily switch between browser profiles to manage user accounts on websites without blocks, suspensions and verifications.

Parallel Space - Parallel Space – Multiple accounts and Two-Face is free to use mobile app that helps you clone or run multiple accounts of the same app simultaneously, and use themes to style your unique space.