KDE Connect - Integrate Android with the KDE Desktop
TRIBE Group - TRIBE is a self-serve marketplace connecting social media influencers with leading brands to create social media campaigns.
Pushbullet - Pushbullet - Your devices working better together
Join - Join is a marketplace for influencers and advertisers to collaborate.
mconnect - Vala/C implementation of KDE Connect
RankSider - RankSider connects brands with bloggers and Influencers.