Swimlanes.io is described as 'simple free online tool for making sequence diagrams'. There are three alternatives to Swimlanes.io, not only websites but also apps for Self-Hosted solutions, Windows, Linux and Mac. The best alternative is SequenceDiagram.org, which is free. Other great sites and apps similar to Swimlanes.io are WebSequenceDiagrams (Free) and js-sequence-diagrams (Free, Open Source).
- 3 alternatives