Little Snitch alternatives
Killing ~$59 one-time (~$708/yr) — here are 2 verified escapes, honest trade-offs included.
the answer medium migration
Portmaster · Free ⭐ 13.6K stars Per-app network firewall with global defaults and telemetry blocking.
you stop paying ~$59 one-time → keep ~$708/yr
head-to-head
| Little Snitch | Portmaster | |
|---|---|---|
| price | ~$59 one-time | Free |
| self-hostable | no | yes |
| license | proprietary | GPL-3.0 |
| verified | — | 2026-08 |
| migration | — | medium effort |
free & open source (2)
Free
Per-app network firewall with global defaults and telemetry blocking.
trade-offs: Windows/Linux today; macOS in progress
github →faq
What is the best free alternative to Little Snitch?
Portmaster is the top free option — Per-app network firewall with global defaults and telemetry blocking.
How much can I save by switching from Little Snitch?
Little Snitch costs ~$59 one-time, so switching to a free alternative saves roughly $708/year per seat.
Can Little Snitch be self-hosted?
Yes — Portmaster and LuLu can be self-hosted for free.