https://www.cos.io
*description: Center for Open Science is a platform that aims to increase openness, integrity, and reproducibility of research by providing research software tools and conducting metascience studies on research practices.
https://www.jamovi.org
jamovi is a statistical spreadsheet designed as a free and open-source alternative to costly statistical products.
https://intrain.ditlab.it/
*description: InTrain is a web-based solution for remote interpreter training. It is free and open, and can be very useful for data collection.
https://archive.mpi.nl/tla/elan
* Description: ELAN is a free and open-source tool, great for transcribing and annotating video and audio data.
https://www.fon.hum.uva.nl/praat/
* Description: PRAAT is a free and open-source software for analysing spoken data