What is SPDX?

The System Package Data Exchange (SPDX) (formerly "Software Package Data Exchange") specification is a standard format for communicating the components, licenses and copyrights associated with a software package.

What is this about?

Providing an all-in-one portal to upload and parse SPDX documents for validation, conformance check, comparison, conversion and SPDX License List search.

Contributors

• Rohit Lodha, GSoC 2017
• Tushar Mittal, GSoC 2018
• Galo Castillo, GSoC 2018
• Umang Taneja, GSoC 2019
• Tanjong Agbor Smith, GSoC 2019
• Joshua Lin, GSoC 2022
• Arthit Suriyawongkul, GSoC 2025
• Sujal Bhor, GSoC 2025
• Ilan Schifter
• Gary O'Neall
• and SPDX contributors

Version information

SPDX Online Tools is built using several components. The version information of these components is as follows:

• SPDX Online Tools: 1.3.3
• SPDX License List: 3.27.0
• SPDX Java Tools: 2.0.4
• SPDX Python Tools: 0.8.3
• SPDX Python Model: 0.0.3
• SPDX License Matcher: 2.8
• NTIA Conformance Checker: 4.1.2
• The SPDX 3 visual editor (dots) is an external tool hosted by Ilan Schifter at
  https://condots.duckdns.org.