The best alternatives to Client Portal are Zube, Partyline, and Portal. If these 3 options don't work for you, we've listed a few more alternatives below.
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With Portal, let your clients login on your own website and give them one place for payments, messaging, file-sharing, eSignatures, intake forms, and more.
Restfox is a HTTP client that runs fully in the browser without any backend. Inspired by Insomnia and Postman. Takes the best features from both clients and merges them into one.
iSmartLife’s main goal is to create effective environment, increasing productivity and quality of life. Intuitive design is free of any distracting elements and helps to concentrate, better organize tasks, and optimize productivity The application has many useful features: notes, projects, budgets, reports, etc.