Matrix is open decentralized network for secure communication. Alternative to Messanger / WhatsApp / Signal etc.
Signal is a cross-platform end-to-end encrypted messaging service. Unlike regular communicators, no one but you and the recipients can read your messages.
Bitcoin is a decentralized open-source digital currency. It's an alternative to ordinary state money.
Jitsi is a free open-source software for online video conferences. It's an alternative to Google Maps / Bing Maps / Apple Maps etc.
Social network alternative to Twitter. No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!
GitLab is an open-source software development platform. It's an alternative to GitHub.
OpenStreetMap is a free collaborative alternative to Google Maps / Bing Maps / Apple Maps etc.