observerward
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Description:
Web application and service fingerprint identification tool
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: security fingerprinting reconnaissance web cli
Install: brew install observerward
About:
Observerward is a cross-platform web fingerprint identification tool designed to recognize the technologies and frameworks used by web applications and services. It leverages an extensive database of fingerprints to accurately identify what a target is running, from content management systems to specific web servers. This capability is essential for security professionals to assess attack surfaces and understand the technologies they are working with.
Key Features:
  • Extensive fingerprint database for high-accuracy identification
  • Supports both passive and active scanning methods
  • Cross-platform compatibility (Linux, macOS, Windows)
  • Command-line interface for automation and scripting
Use Cases:
  • Performing reconnaissance and mapping the attack surface of a target web application
  • Identifying technologies for penetration testing and vulnerability assessment
  • Conducting competitive analysis to understand the tech stack of other websites
Alternatives:
  • WhatWeb – WhatWeb is a classic and widely used tool, while Observerward often features a more modern approach and updated fingerprint database.
  • Wappalyzer – Wappalyzer is primarily a browser extension for on-demand analysis, whereas Observerward is a command-line tool better suited for bulk scanning and automation.
Version History
Detected Version Rev Change Commit
Sep 18, 2025 8:16am 0 VERSION_BUMP ac73a1ba
Sep 16, 2025 8:27am 0 VERSION_BUMP 9dcd8fa0
Oct 29, 2024 2:51am 0 VERSION_BUMP e8544c32
Sep 22, 2024 3:52pm 0 VERSION_BUMP 19c9845d
Sep 22, 2024 11:06am 0 VERSION_BUMP 1ce01fad
Sep 11, 2024 8:07am 0 VERSION_BUMP 478d84e5
Aug 15, 2024 11:39am 0 VERSION_BUMP 3865cc27
Aug 15, 2024 4:49am 0 VERSION_BUMP 424e6c98
Aug 7, 2024 12:21pm 0 VERSION_BUMP d2d5a532
Jul 22, 2024 4:36pm 0 VERSION_BUMP b52f0708
Jul 22, 2024 1:45pm 0 VERSION_BUMP e8632f05
Jul 19, 2024 4:42pm 0 VERSION_BUMP b1918247
Jan 8, 2024 2:50pm 0 VERSION_BUMP d81b3c4a
Jan 6, 2024 6:34am 0 VERSION_BUMP e40a511b
Dec 29, 2023 1:39am 0 VERSION_BUMP df7e6562
Oct 13, 2023 5:57am 0 VERSION_BUMP 277c6ad9
Aug 21, 2023 2:21pm 0 VERSION_BUMP e1542ff0
Aug 21, 2023 9:27am 0 VERSION_BUMP 5534fa2a
Aug 3, 2023 5:24am 0 VERSION_BUMP d1142f8c
Jun 20, 2023 7:52am 0 VERSION_BUMP 3174a47b
Jun 15, 2023 5:30am 0 VERSION_BUMP 5204ae40
May 19, 2023 3:37am 0 VERSION_BUMP 6c374b1f
May 12, 2023 9:22pm 0 VERSION_BUMP 5ddb6756
Mar 20, 2023 10:05am 0 VERSION_BUMP 56c03fd1
Mar 20, 2023 10:05am 0 VERSION_BUMP f3062bdb