
BigBlueButton
BigBlueButton is an open-source video communication tool with all the required features for online training and learning including breakout rooms, whiteboards, closed captioning, polls, shared notes, and more.
[S]ign up for BigBlueButton managed by NoLog.cz, CommunityBridge, meet.coop, and other providers.
– Digital Hygiene 101: How to practise digital safety and security

Bitwarden
Bitwarden is a cross-platform open-source password manager.

CryptPad
CryptPad is an open-source encrypted collaboration suite for securely storing, editing, and sharing spreadsheets, documents, presentations, forms, and other types of files.

Etherpad
Etherpad is an open-source collaborative notetaking tool.
Riseup Pad allow for collaborative editing online by using an Etherpad service. Riseup does not store IP addresses. Pads are automatically destroyed after 60 days of inactivity.
– Digital Hygiene 101: How to practise digital safety and security

GlobaLeaks
GlobaLeaks is a free and open-source secure reporting and documentation system that protects the whistleblower’s identity.

Jitsi Meet
Jitsi Meet is an open-source private video conferencing software that limits the user’s digital footprint when meeting virtually. It works on most modern internet browsers and is also available as a mobile app for Android and iOS.
You can use meet.jit.si to host your online meetings for free […] Other trusted free Jitsi Meet deployments include Greenhost, Framatalk, and Distroot.
– Digital Hygiene 101: How to practise digital safety and security

KeeWeb
KeeWeb is an open-source password manager based on KeePass. It is available as a web app that works with modern internet browsers on desktop and mobile devices.

OnlyOffice
OnlyOffice is an office suite of online editors for text documents, spreadsheets, and presentations.

Proton Mail
Proton Mail (Web, Android, iOS) is an open-source email service that uses end-to-end encryption and zero-access encryption to protect the user’s data and privacy.

SecureDrop
SecureDrop is an open-source whistleblowing system designed for media practitioners to receive information from sources securely and anonymously on the web.

Send
Send is a simple, private file-sharing tool with end-to-end encryption.

Skiff Mail
Skiff Mail is end-to-end encrypted email that protects your inbox and gives you the power to communicate freely.

Standard Notes
Standard Notes is a note-taking app with end-to-end encryption, advanced security, and privacy controls.