# Open-source ad and tracker blockers

6 open-source ad and tracker blockers rated against public privacy criteria.

1. [uBlock Origin](https://privacyratings.com/ad-blockers/ublock-origin/) (our pick): B (88/100). Free, open-source content blocker for ads, trackers and malware sites. Efficient, with no "acceptable ads" program.
2. [uBlock Origin Lite](https://privacyratings.com/ad-blockers/ublock-origin-lite/) (our pick): B (88/100). Manifest V3 content blocker from the uBlock Origin developer that filters ads and trackers through declarative browser rules, with no background process.
3. [AdGuard Home](https://privacyratings.com/ad-blockers/adguard-home/): B (88/100). Self-hosted DNS server that blocks ads and trackers for every device on a network. Includes a web dashboard, encrypted DNS support and parental controls.
4. [hBlock](https://privacyratings.com/ad-blockers/hblock/): B (88/100). POSIX shell script for Unix-like systems that builds a hosts file blocking domains that serve ads, tracking scripts and malware, using several public blocklists.
5. [Diversion](https://privacyratings.com/ad-blockers/diversion/): B (79/100). Shell script ad blocker for routers running Asuswrt-Merlin firmware. Blocks ad and tracker domains through dnsmasq and can manage Entware and pixelserv-tls.
6. [Ghostery](https://privacyratings.com/ad-blockers/ghostery/): C (65/100). Browser extension from Ghostery that blocks ads, trackers and cookie pop-ups and shows which trackers each site uses.

Source: https://privacyratings.com/open-source/ad-blockers/