Top 5 Open-Source Alternatives to Avira

The top open-source alternatives to Avira are Let's Encrypt, ClamAV, and Wazuh. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Let's Encrypt Landing Page
1

Let's Encrypt

Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
Pricing:
- Open Source
#Identity And Access Management #Two Factor Authentication #Security & Privacy 311 social mentions
ClamAV Landing Page
2

ClamAV

Application and Data, Application Utilities, and Security
Pricing:
- Open Source
#Cyber Security #Security & Privacy #Antivirus 5 social mentions
Wazuh Landing Page
3

Wazuh

Open Source Host and Endpoint Security
Pricing:
- Open Source
#Security & Privacy #Security Information And Event Management (SIEM) #Cyber Security 49 social mentions
KeePass Landing Page
4

KeePass

KeePass is an open source password manager. Passwords can be stored in highly-encrypted databases, which can be unlocked with one master password or key file.
Pricing:
- Open Source
#Security & Privacy #Password Management #Password Managers 206 social mentions
uBlock Origin Landing Page
5

uBlock Origin

Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.
Pricing:
- Open Source
#Security & Privacy #Ad Blockers #Threat Detection And Prevention 3 social mentions