HOTS Hosts Lite is a free, open-source Windows app for viewing and managing the system hosts file ( dark/light theme).

CORE: real-time table view, live search, bulk paste, auto-backup (rotating archive), diff preview, import/export .txt/.csv.

DIAGNOSTICS: domain existence check, heuristic malware scanner (homoglyphs, punycode, typosquatting, suspicious TLDs).

BLOCKING: custom domain blocklist, hosts file lock (ACL deny-write), application firewall blocking, 3 switchable hosts profiles.

DNS speed test — checks how fast your DNS server answers compared with popular public ones

Internet speed test — measures download speed, upload speed and ping with one click, keeps a history of your results, and rates how well your connection suits web browsing, gaming, streaming and live video calls

Also: 5 accent colors, 8 languages (EN/PL/FR/DE/ES/PT/RU/IT), optional password protection, built-in update checker.

Features

  • Domain Blocking
  • Malware Scanner
  • Application Firewall
  • Hosts File Lock
  • Internet speed test
  • DNS speed test

Project Samples

Project Activity

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Categories

Security, Networking

License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Windows

Languages

English, French, German, Italian, Polish, Portuguese, Russian, Spanish

User Interface

Qt, Win32 (MS Windows)

Programming Language

Python

Related Categories

Python Security Software, Python Networking Software

Registered

2026-09-10