Popular: Data updated October 27, 2026

Categories

Internet1,356
Communication321
Audio & video898
Graphics & design539
Office & productivity1,124
Developer tools3,134
AI tools529
Security & privacy385
System tools3,114
Games523
Education & science239
Network & IT284

Subsurface alternatives

Subsurface can plan and track single and multi-tank dives using air, Nitrox or TriMix.

Subsurface Firewall & privacy #18 Firewall & privacy

12 Windows apps in the same category as Subsurface, ranked by what they have in common and by popularity.

  • OnionShare

    OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network

    Open source 2.7 40.7K ↓ ★ 7.2K
  • Portmaster

    Portmaster is a free and open-source application that puts you back in charge over all your computers network connections.

    Open source 2.2.3 21.4K ↓ ★ 14K
  • dnscrypt-proxy

    A flexible DNS proxy, with support for modern encrypted DNS protocols.

    Open source 2.1.20 15.1K ↓ ★ 13.8K
  • Prey Anti-Theft

    Basic Anti-Theft program.

    Open source 1.13.20 57.4K ↓ ★ 345 tracking
  • DingTalk Workspace CLI

    dws — DingTalk Workspace on the command line, built for humans and AI agents.

    Open source 1.0.65 5.7K ↓ ★ 3.8K tracking
  • WindowsSpyBlocker

    Block spying and tracking on Windows systems.

    Open source 4.39.0.0 21.7K ↓ ★ 5.2K
  • fluent-bit

    Fast and Lightweight Logs, Metrics and Traces processor

    Open source 5.1.5 486 ↓ ★ 8.2K logs
  • GreenTunnel

    GreenTunnel is an anti-censorship utility designed to bypass the DPI system that is put in place by various ISPs to block access to certain websites.

    Open source 3.0.5 854 ↓ ★ 4.9K
  • Toggl Track

    A native desktop application for the leading time tracking tool Toggl Track

    Proprietary 10.18.1 31.1K ↓ tracking
  • Fort Firewall

    An effective firewall designed for Windows 7 and later versions, offering both simplicity and robustness.

    Open source 3.20.8 155 ↓ ★ 3.6K
  • Privoxy

    A non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk.

    Open source 4.1.0 7K ↓
  • No-IP DUC

    Dynamic Update Client For NoIP DDNS

    Proprietary 4.1.1 190.7K ↓

Comparison

AppLicenceVersionUpdatedGitHub starsChocolatey downloads
Subsurface Open source 6.0.5504 March 6, 2026 3.2K 5.4K
OnionShare Open source 2.7 October 16, 2026 7.2K 40.7K
Portmaster Open source 2.2.3 September 8, 2026 14K 21.4K
dnscrypt-proxy Open source 2.1.20 October 23, 2026 13.8K 15.1K
Prey Anti-Theft Open source 1.13.20 September 16, 2025 345 57.4K
DingTalk Workspace CLI Open source 1.0.65 October 20, 2026 3.8K 5.7K
WindowsSpyBlocker Open source 4.39.0.0 August 11, 2025 5.2K 21.7K
fluent-bit Open source 5.1.5 October 24, 2026 8.2K 486
GreenTunnel Open source 3.0.5 September 14, 2026 4.9K 854
Toggl Track Proprietary 10.18.1 October 6, 2026 — 31.1K
Fort Firewall Open source 3.20.8 October 24, 2026 3.6K 155
Privoxy Open source 4.1.0 September 2, 2026 — 7K
No-IP DUC Proprietary 4.1.1 May 31, 2021 — 190.7K