The best alternatives to Product Timelines are Mr Wolf, Timeline Hero, and Apptimeline. If these 3 options don't work for you, we've listed a few more alternatives below.
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Browser Extension that replaces your New Tab with a minimalist app to help you track multiple timezones. To try it out on the web visit https://mrwolf.app No Tracking. 100% Free and Open Source. Source code available at https://github.com/beauallison/mrWolf/
Create timelines for your projects easily with the Timeline Hero web app. Arrange your task with dependencies for a Gantt-Chart-like feeling. Export your finished timeline to PowerPoint to embed it in your presentations.
Apptimeline is like wayback machine for app listings on google play and iOS app store. You can track mobile apps across google play and iOS app stores across countries and get notified via email when these apps are updated.
Chronologist keeps your own personal timeline of entries, each of which can have text, location, photos, and categories. You can quickly search your entries, and save these views for quick access.