Build interactive presentations in the presentation builder.
Collect polls, data and opinions from participants using smart devices.
Get insights on participants with trends and data export.
Host Q&A sessions
Engage your audience with polls and quizzes
Gain insights with analytics
https://www.sli.do/product
Free Online OCR – Convert images and PDF to text
TimelineJS is an open-source tool that enables anyone to build visually rich, interactive timelines. Beginners can create a timeline using nothing more than a Google spreadsheet
https://timeline.knightlab.com/
Diffchecker is a diff tool to compare text differences between two text files.
https://www.diffchecker.com/
Access research papers in one click. Save time accessing full-text PDFs with the free Kopernio browser plugin.
https://kopernio.com/