The best alternatives to Product OS are Zeplin, Fibery, and UX Notion. If these 3 options don't work for you, we've listed a few more alternatives below.
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UX Notion is a UX toolkit built in Notion to help solopreneurs, indie hackers, Jr. UX Designers, and first-time founders enhance their UX knowledge in a short amount of time.
Create Business Plans that are interactive, shareable & documented.All in Notion. - Step-by-step guide - Recipes to improve (Automations) - BP Stages-from Brainstorming to Presentation - Milestones Tracker - Business tools: SWOT, PORTER, PESTEL, Canvas + more
✌️ Replaces Workable, Lever, your very expensive Applicant Tracking System. 👶 Super simple. No learning curve. 💰 No monthly payment. Yep you only pay once!