Bitmask is a free, open-source VPN app from LEAP Encryption Access Project that connects to vetted providers. It includes built-in tools to evade censorship, and the system behind it is self-hostable, allowing individuals or collectives to run private, circumvention-focused VPNs. The app is described as having no accounts, no logs and no tracking.
RethinkDNS is a private DNS resolver with custom rules, blocklists and analytics, and RethinkDNS + Firewall is a companion Android app. Features include an Android firewall that blocks apps from connecting to the Internet, DNS-layer content blocking of ads and trackers, and anti-censorship through encrypted DNS requests. It is free and open source.
RaceVPN is a VPN service offering free premium servers with WireGuard, V2Ray, OpenVPN and other protocols, without registration. It supports Windows, macOS, Linux, Android and iOS, and the free account is valid for a limited period such as three days. Users download a configuration file and import it into a VPN client.
Stratum is a free and open-source two-factor authentication app for Android, formerly named Authenticator Pro. The source code is available on GitHub under the GPL 3.0 license. It supports TOTP, HOTP and mOTP accounts, offers encrypted backups, and does not require Internet access to function.
SimpleLogin is an open source email aliasing service based in Switzerland. Users give an alias instead of their real address, and emails sent to the alias are forwarded to the inbox. Replies can be sent from the alias, keeping the real address hidden. Aliases can be managed on the website, browser extensions or Android.
Rybbit is an open-source, cookieless web and product analytics tool with an 11 KB script and one dashboard. It offers autocapture, session replay, user sessions, conversion funnels, user journeys and Web Vitals behind a single script tag. A hosted MCP server sits on top of the REST API.
LuLu is a free, open-source macOS firewall that blocks unknown outgoing network connections. It alerts users when a new or unauthorized outgoing connection is created, which may indicate a newly installed application or malware. Installation requires manual approval of its System Extension and Network Filter through macOS, and it runs from the status bar, starting automatically at login.
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RethinkDNS is a private DNS resolver with custom rules, blocklists and analytics, and RethinkDNS + Firewall is a companion Android app. Features include an Android firewall that blocks apps from connecting to the Internet, DNS-layer content blocking of ads and trackers, and anti-censorship through encrypted DNS requests. It is free and open source.
RaceVPN is a VPN service offering free premium servers with WireGuard, V2Ray, OpenVPN and other protocols, without registration. It supports Windows, macOS, Linux, Android and iOS, and the free account is valid for a limited period such as three days. Users download a configuration file and import it into a VPN client.
Stratum is a free and open-source two-factor authentication app for Android, formerly named Authenticator Pro. The source code is available on GitHub under the GPL 3.0 license. It supports TOTP, HOTP and mOTP accounts, offers encrypted backups, and does not require Internet access to function.
SimpleLogin is an open source email aliasing service based in Switzerland. Users give an alias instead of their real address, and emails sent to the alias are forwarded to the inbox. Replies can be sent from the alias, keeping the real address hidden. Aliases can be managed on the website, browser extensions or Android.
Rybbit is an open-source, cookieless web and product analytics tool with an 11 KB script and one dashboard. It offers autocapture, session replay, user sessions, conversion funnels, user journeys and Web Vitals behind a single script tag. A hosted MCP server sits on top of the REST API.
LuLu is a free, open-source macOS firewall that blocks unknown outgoing network connections. It alerts users when a new or unauthorized outgoing connection is created, which may indicate a newly installed application or malware. Installation requires manual approval of its System Extension and Network Filter through macOS, and it runs from the status bar, starting automatically at login.
