FreeCap Alternatives

Proxifier is a program that allows network applications that do not support working through proxy servers to operate through an HTTPS or SOCKS proxy or a chain of proxy servers. 39.95 USD, free 31-day trial, portable version available.

Tallow is similar to running Tor as a transparent proxy under Linux or MacOS. All non-Tor traffic is blocked and prevented from leaving your PC. This stops certain kinds of leaks, such as the "DNS leak" problem. Tallow is also transparent.

ProxyCap enables you to redirect your computer's network connections through proxy servers. You can tell ProxyCap which applications will connect to the Internet through a proxy and under what circumstances.

The universal proxy toolchain for Android, written in Kotlin.

Postern is an Android proxifier that allows network traffic on your device to go through your configured proxy servers. Currently following proxy/tunneling protocols are supported:

Redsocks is a daemon running on the local system, that will transparently tunnel any TCP connection via a remote SOCKS4, SOCKS5 or HTTP proxy server.

WinDivert allows user-mode applications to capture/modify/drop network packets sent to/from the Windows network stack.

SOCKS proxy redirection client for Windows. Routes local applications through an SSH proxy to achieve tunnelling for applications which would otherwise not support it, e.g. Windows Remote Desktop. Supports 64bit, remote DNS name resolution and much more.

An open-source command-line program for Mac OS X to make any app work through a proxy server. Proxifier can redirect all network traffic in your system to a proxy server and redirect specific apps to work through a proxy server.

PaperBus is a plug-and-play free proxy service that is fast and very easy to use. You can use paperbus to access blocked web sites and bypass internet filters and such.