WaiverForever - Electronic waiver system for small businesses

Walkaround - Walkaround is a variant of Wave, based on the Apache Wave code base, that runs on App Engine.

Waiver Electronic - Waiver Electronic is one of the legit and secure platforms to manage online liability waivers accelerating the productivity of your business by making the quick, paperless and secure waiver signup process.

Unsee - The ability to open a chat session and message then delete it from history forever just like tlk.

WaiverSign - Cloud-based waiver and release of liability signing software

Rizzoma - Email and IM are linear contextless communication tools.