What is SPDX?
System Package Data Exchange (SPDX) is a standard format for communicating the components, licenses, copyrights, provenance, and security information associated with systems and software packages.
What is SPDX Online Tools?
A portal for SPDX SBOM and license management. Validate, convert, compare, and edit SPDX documents. Identify an SPDX License ID from license text and a submit new license to the SPDX License List.
Get involved
Contributors
Core components
Versions deployed here and links to upstream source code.
| SPDX Online Tools | 1.4.0 |
| SPDX Java Tools | 2.0.6 |
| SPDX Python Tools | 0.8.5 |
| SPDX Python Model | 0.0.4 |
| SPDX License Matcher | 2.9 |
| NTIA Conformance Checker | 5.0.2 |
The SPDX 3 visual editor (dots) is an external tool hosted by Ilan Schifter at condots.duckdns.org.
SPDX License Diff, a Chrome/Firefox browser extension to compare text against licenses in SPDX License List, uses an API endpoint provided by SPDX Online Tools.
SPDX License List
| License list version | 3.28.0 |
| License list release date | 2026-02-20 |
| License list last synced to db | 2026-05-07 22:37 UTC |