AeroSpark is described as 'AI-powered legal review and Contract Lifecyle Management tool that lets teams submit, triage, and approve key contracts (NDAs, MSAs, SOWs, vendor agreements, etc.) directly inside Slack and Microsoft Teams' and is an app. There are five alternatives to AeroSpark for a variety of platforms, including Web-based, Windows, Linux, Mac and Android apps. The best AeroSpark alternative is Docusign. It's not free, so if you're looking for a free alternative, you could try OpenSign or LawGeex. Other great apps like AeroSpark are Juro and Ironclad.