Best Sentinel.co Alternatives & Competitors in 2025

Tor is free software for enabling anonymous communication.

Open Source

Turbo VPN is an unlimited VPN (Virtual Private Network) proxy with no registration needed.

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

Enjoy safe and unrestricted Internet access with the world’s most advanced VPN.

Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.

Orbot is an open source ...

Access the Tor and I2p networking without leaving your favorite browser.

ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.

Open Source

Solo VPN is a virtual private network app that allows you to bypass Internet connection to global servers without any geo-restrictions or local domain censorship, including access to blocked websites.

Faster, cheaper, decentralized internet

Powerful cloud-based licensing solution designed for fast-growing software businesses looking to scale up software licensing & minimize friction.

paid Free Trial $999.0 / Monthly

Decentr is a free, open-source web browser that puts privacy first, making web browsing more private and secure.

Fast and secure, ad and tracker blocking browser.

Open Source

Reprise software is the trusted name in the field of license management. RLM is a flexible and simple license manager with the power to serve enterprise users. RLM ensures proper activation and protection of our client's software.