FitNesse
fitnesse.org
What it is
FitNesse is an acceptance-test wiki for specifying and verifying application acceptance criteria. Stakeholders can document requirements in wiki pages and run those pages as tests against an application, helping keep documentation aligned with software behavior. Pages can be edited in a browser using wiki syntax or a rich-text editor, and tests can run manually or automatically by anyone with web access to the server. FitNesse is distributed as a Java jar, can run on a machine or server, and stores wiki pages as files. It requires Java Runtime Environment version 11; listed supported versions are Java 11, 17 and 21. Fit and Slim are built-in test systems, and tests can also run from JUnit or Maven. Extensions and fixtures include support for Git, Gradle, Selenium, REST and HTTP testing, PDF checks and email retrieval. Page permissions can separately limit reading, writing and testing, but are disabled by default. The project is free under the Common Public License version 1.0.
Spec sheet
- Purpose
- FitNesse is an acceptance-test wiki for specifying and verifying application acceptance criteria.Read 4 Oct 2026 · fitnesse.org
- Integrations
- The plugins page lists extensions for Maven, Ivy, Gradle, Git, Selenium, and REST service testing.Read 4 Oct 2026 · fitnesse.org
- Security
- Page security can separately restrict reading, writing, and testing, and all three protections are disabled by default.Read 4 Oct 2026 · fitnesse.org
- License
- FitNesse is released under the Common Public License version 1.0.Read 4 Oct 2026 · fitnesse.org
- Founded
- 2001Read 28 Sep 2026 · fitnesse.org
- Acceptance testing
- FitNesse is a tool for specifying and verifying application acceptance criteria and keeping documentation aligned with software behavior.Read 4 Oct 2026 · fitnesse.org
- Access controls
- Pages can independently require authentication for reading, writing, or testing; these controls are disabled by default unless configured.Read 4 Oct 2026 · fitnesse.org
- Collaboration
- Its wiki lets software delivery stakeholders document requirements and verify them against the application.Read 4 Oct 2026 · fitnesse.org
- Editing
- Pages can be edited in a browser using wiki syntax or a rich-text editor.Read 4 Oct 2026 · fitnesse.org
- Executable specifications
- Wiki pages can be run as tests against an application to check expected results and catch regressions.Read 4 Oct 2026 · fitnesse.org
- History
- The user guide says FitNesse started as an HTML and wiki front end to FIT in 2001.Read 4 Oct 2026 · fitnesse.org
- Java requirement
- The download page says FitNesse requires Java Runtime Environment version 11 and lists Java 11, 17, and 21 as supported.Read 4 Oct 2026 · fitnesse.org
- Language support
- The core is written in Java and extensions allow testing in other languages and environments.Read 4 Oct 2026 · fitnesse.org
- Network security
- The documentation describes SSL configuration for browser-to-wiki and test-system-to-application communication, with the latter limited to the SLIM Java client.Read 4 Oct 2026 · fitnesse.org
- Operational limit
- The download guide says extensive use may exceed the JVM's default memory allocation and suggests increasing the heap when tests fail for lack of memory.Read 4 Oct 2026 · fitnesse.org
- Runtime requirement
- The download page lists Java 11, 17, and 21 as supported versions.Read 4 Oct 2026 · fitnesse.org
- Security caveat
- The security guide says search and related queries do not require authentication, and unauthenticated readers can read files in the /files directory.Read 4 Oct 2026 · fitnesse.org
- Setup
- FitNesse is distributed as a Java jar and can run on a machine or server; wiki pages are stored as files.Read 4 Oct 2026 · fitnesse.org
- Test feedback
- The site says tests can be run manually or automatically by anyone with web access to the server.Read 4 Oct 2026 · fitnesse.org
- Test systems
- The user guide lists Fit and Slim as built-in test systems, with tests runnable from JUnit or Maven.Read 4 Oct 2026 · fitnesse.org
- Tool integrations
- Listed plugins include Maven, Ivy, Gradle, Git, TFS, and SVN-related support.Read 4 Oct 2026 · fitnesse.org
- Transport security
- The network security guide recommends encrypting and authenticating network traffic with SSL and enabling user authentication with a password cipher.Read 4 Oct 2026 · fitnesse.org
- Web and service testing
- Listed fixtures include Selenium-based web testing, REST API testing, HTTP testing, PDF checks, and email retrieval.Read 4 Oct 2026 · fitnesse.org
Plans and prices
Strong points and limits
Strong points
- Wiki pages can be run as application tests
- Supports manual and automatic test runs
- Fit and Slim are built-in test systems
- Free under the Common Public License 1.0
Limits
- Java Runtime Environment version 11 is required
- Read, write and test restrictions are disabled by default
- Search and /files access do not require authentication
Who it suits
FitNesse suits software delivery stakeholders who want requirements expressed as executable acceptance tests. It is also relevant to teams using Java and browser-accessible wiki pages for test feedback.
Verdict
FitNesse brings acceptance criteria and executable checks into a wiki. Configure its access controls before relying on page restrictions, since they are off by default.
Where Specifiction places it
- BDD Testing Tools#4 of 308.7