Here's what I use when it comes to free and open source software.

Router: pfSense Operating system: Pop!_OS Mobile operating system: CalyxOS Browser: ungoogled-chromium Browser extensions: Ublock Origin, Bitwarden, Privacy Redirect Recording: OBS Studio Video editing: Kdenlive Messaging browser: Ferdi IRC: Weechat / Glowing Bear Password manager: Bitwarden_RS 2FA Authenticator: Aegis Social media: Pleroma Blogging: Writefreely Calendar, Contacts, Storage: Nextcloud Sync to mobile: DAVx5 Collaborative docs: HedgeDoc VPN routing: Zerotier Privacy connectivity: Tor Money: Bitcoin Payment processor: BTCPayServer