Free Opener vs PanelJam
A side-by-side look at Free Opener and PanelJam . For an in-depth review of either product, follow the links below.
Free Opener
Office & Productivity
Free Opener is a free, open-source file viewer and converter software for Windows. It allows you to view over 300 file formats such as documents, spreadsheets, presentations, images, and more. It also lets you convert between common file formats.
freeopensourcefile-viewerfile-converterdocumentsspreadsheetspresentationsimages
PanelJam
Online Services
PanelJam is an open-source alternative to SurveyMonkey and Typeform for creating online surveys, polls, and questionnaires. It allows users to easily build multi-page surveys with branching logic, image choices, and more. PanelJam is self-hosted, customizable, and focused on privacy.
surveysformsquestionnairespollsopensourceselfhostedprivacy
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