Downloads
This page contains the latest versions of the test suites and Software Development Kits (SDKs) published by the Linux Foundation and its workgroups.
The files linked here are aggregations, containing everything needed for a certain task. For a full list of available files, including the individual components in each of these files, please see the full file list.
LSB Application Tools
Linux Application Checker
The Linux Application Checker (also referred to as "AppChecker") is a powerful new tool designed to help software developers target Linux. It can checks for cross-distro portability and gives a good indication of how well the app may perform on various distributions of Linux. It also gives guidance for application developers on how to enhance the portability of their applications, and it can even indicate how close an app is to LSB certification.
![]() | To install the Linux Application Checker, please download the appropriate tarball (tar.gz) file, then follow the detailed instructions on the Linux Application Checker Getting Started page to install and use the tool. |
LSB Software Development Kit (SDK)
The LSB Software Development Kit (SDK) contains the LSB Development Environment (shared library stubs, headers, lsbcc, and lsbc++) for building LSB compliant binaries.
To install the LSB SDK, please download the appropriate tar file, extract the tar file, and run the included install.sh script.
LSB Distribution Tools
The LSB Distribution Testkit (DTK) contains everything developers need to test a Linux distribution for LSB compliance. The front end of the Distribution Testkit is DTK Manager that helps visually manage the testing process. DTK Manager automatically downloads necessary tests from the Linux Foundation FTP server, so please be sure you have Internet connection on the testing system the first time you want to run the tests.
To install the LSB DTK Manager, please download the appropriate tar file, extract the tar file, and run the included install.sh script.
Please refer to LSB Distro Testkit Getting Started for instructions on how to use the tool.
LSB Software Repositories
Beginning with LSB 3.1 Update 1, LSB software from The Linux Foundation, including the LSB Distribution Testkit, LSB Application Testkit, and LSB Software Development Kit are available in apt and yum repositories in addition to the tar files.
For more information, visit the Repository Info page.




