VG
VENTUREGAPS

Best Security Software in 2026

Last updated: April 2026·6 tools reviewed

Protect your data, manage access, and stay compliant.

Security Tools at a Glance

#ToolVG ScorePriceBest ForFree Trial
1Pi-hole9.0N/APrivacy-focused home users blocking ads network-wide
2AdGuard Home8.2N/APrivacy-focused households blocking ads network-wide
3Technitium DNS Server7.5N/ATech-savvy users and homelabs wanting a customizable, private DNS server.
4blocky7.0N/APrivacy-focused home users blocking ads network-wide
5Databunker6.5N/AOrganizations requiring secure, compliant personal data storage
6Maza ad blocking6.0N/ATech-savvy individuals wanting system-wide ad blocking

How We Rank

Tools are ranked by a weighted combination of user ratings, feature completeness, pricing transparency, and data-driven analysis. We factor in ease of use, integration capabilities, and suitability for different team sizes. Rankings are updated regularly to reflect the latest changes.

These are the best Security tools in 2026

■ INTELLIGENCE BRIEFING — Weekly tool drops. No spam.

Get notified about new Security tools

1
Editor's Choice
P

Pi-hole

OPEN SRC

Blackhole for Internet advertisements with a GUI for management and monitoring

9.0
Home network administrators
Completely free, open-source software with a strong community.
Extremely effective at blocking ads and trackers network-wide, improving speed and privacy.
Completely free and open-source software with a strong, supportive community.
Requires technical setup and dedicated hardware (e.g., Raspberry Pi).
Requires technical setup (like configuring a Raspberry Pi and changing router DNS settings) which can deter non-technical users.
Key Features

Network-Wide Blocking — Blocks ads and trackers for every device on your home network.

Web Interface Dashboard — Provides a central GUI for management, monitoring, and viewing detailed statistics.

DNS Query Logging — Logs all DNS queries for network insight and troubleshooting.

DNS Sinkhole — Intercepts and blocks unwanted DNS queries before they reach your devices.

Integrations

Prometheus · Teleporter · Raspberry Pi OS · Unbound · Grafana · FTL DNS +7 more

View Full Review →
2
A

AdGuard Home

OPEN SRC

Block ads and trackers for your entire home network.

8.2
Tech-savvy parentsPrivacy-conscious home users
Completely free and open-source with no hidden costs.
Easy to set up on a Raspberry Pi or similar low-power hardware.
It blocks ads and trackers network-wide for all connected devices, improving privacy and speeding up browsing.
Requires technical knowledge to install and configure on a dedicated device.
Requires basic networking knowledge to install and configure on a dedicated device.
Key Features

DNS filtering — Uses custom DNS server to filter unwanted content.

DNS-over-HTTPS/TLS — Provides encrypted DNS queries for enhanced privacy.

Network-wide protection — Blocks ads and trackers for every connected device.

Network-wide blocking — Filters ads and trackers for every connected device (phones, TVs, IoT).

Integrations

Synology NAS · pfSense · Home Assistant · Pi-hole · OpenWrt · Raspberry Pi +2 more

View Full Review →
3
T

Technitium DNS Server

OPEN SRC

Authoritative/recursive DNS server with ad blocking functionality.

7.5
Network administrators and IT professionalsHome users and privacy-conscious individuals
Powerful ad and tracker blocking improves browsing speed and privacy.
Versatile for both home labs and small business network management.
Easy-to-use web-based admin interface suitable for non-experts.
Lacks built-in, automated blocklist updates, requiring manual maintenance for ad-blocking.
Primarily a Windows-centric tool; Linux/macOS versions are less polished and documented.
Key Features

Authoritative & Recursive — Acts as both a primary DNS server for domains and a resolver for client queries.

DNS-over-HTTPS/TLS — Supports encrypted DNS protocols for enhanced privacy and security.

Ad Blocking — Built-in functionality to block ads, trackers, and malicious websites.

Custom DNS Records — Create and manage local DNS records for network devices.

Integrations

Pi-hole blocklists · Active Directory · Docker · Let's Encrypt · Linux systems · DHCP servers +5 more

View Full Review →
4
B

blocky

OPEN SRC

Fast and lightweight DNS proxy as ad-blocker for local network with many features (alternative to Pi-hole)

7.0
Home network administratorsPrivacy-conscious users and tinkerers
Extremely lightweight and performant compared to some alternatives.
Rich feature set with flexible client-specific configuration.
Exceptionally fast and resource-efficient compared to similar tools
Web interface is functional but less polished than Pi-hole's admin panel
Lacks a built-in, polished web admin GUI (primary configuration is file-based).
Key Features

Multi-Source Blocklists — Supports importing blocklists from multiple formats and URLs.

DNS Proxy & Filtering — Acts as a local DNS server to intercept and block unwanted requests.

Query Logging & Analytics — Provides detailed logs and metrics for network DNS activity.

DNS-over-TLS/HTTPS — Supports encrypted DNS queries for enhanced privacy and security.

Integrations

AdGuard Home lists · Grafana · Cloudflare DNS · Prometheus · Unbound · Docker +3 more

View Full Review →
5
D

Databunker

OPEN SRC

Network-based, self-hosted, GDPR compliant, secure database for personal data or PII

6.5
Enterprise IT/security teamsPrivacy-conscious startups
Self-hosting eliminates ongoing vendor costs and data residency concerns.
Drastically simplifies achieving and proving GDPR compliance.
Strong security model with network isolation and encryption.
Requires technical expertise to deploy, manage, and maintain the self-hosted system.
Self-hosting requires significant in-house DevOps expertise for setup and maintenance.
Key Features

Self-Hosted Deployment — Full control by hosting the database within your own infrastructure.

Network-Based Security — Accessed via API over the network, isolating PII from primary applications.

GDPR Compliance by Design — Built-in features like data subject access requests (DSAR) and right to be forgotten.

GDPR Compliance Focus — Built-in features like data subject access requests (DSAR) and right to erasure.

Integrations

PostgreSQL · Kubernetes · Prometheus · AWS · Docker · Grafana +2 more

View Full Review →
6
M

Maza ad blocking

OPEN SRC

Local ad blocker. Like Pi-hole but local and using your operating system

6.0
Developers and tech enthusiasts
Extremely lightweight and runs silently in the background with minimal system impact.
Completely free and open-source with no subscriptions.
Lightweight and runs locally without a dedicated hardware device.
Only protects the host machine it's installed on, unlike Pi-hole which protects an entire network.
Requires command-line usage and manual updates, lacking a graphical user interface (GUI).
Key Features

System-Wide Blocking — Blocks ads and trackers in all browsers and most applications.

Local Hosts File Modification — Blocks ads by editing the system's hosts file to redirect ad domains.

Multiple Source Lists — Uses and combines several reputable blocklists for comprehensive coverage.

No Hardware Required — Runs directly on your computer's OS, eliminating the need for a Raspberry Pi or dedicated device.

Integrations

Browser configurations · DNS settings · Terminal/CLI · Operating System (host) · Browser · System hosts file +3 more

View Full Review →

Popular With

IndividualsStartups and small development teamsDevelopment teamsFamiliesSoftware development teamsE-commerce platforms and marketplaces

Get notified about new Security tools

We'll send you weekly updates with the latest tools and comparisons.